Technical Verification Required

Ventilation components require precise sizing. Please verify that this TG2506 – EBONY model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.

Key Specs:
Category: Rigid Tube
Type: Round Tube – Steel (BESE – big endsmall end)

Maximizing Airflow Efficiency

Whether you are installing a bathroom extractor, a range hood, or a full balanced pressure heat recovery system, the physics of airflow remains the same: air hates friction. Every component in your system, from the ducting to the joiners and grilles, introduces “Static Pressure” (resistance).

Using high-quality components like the Tube Galv D250 L600mm P/C Ebony is crucial for minimizing this resistance. Cheaper, poorly molded fittings or rough-bore ducting can create turbulence, which reduces the extraction rate of your fan. This means your fan has to work harder, creating more noise and using more electricity, while moving less damp air out of your home.

Pro Tip: When connecting ducting, always stretch flexible ducting taut. A saggy duct creates immense resistance. Use rigid joiners and bends where possible to maintain a smooth internal profile for the air to glide over.

Building Code G4 & Healthy Homes Standards

In New Zealand, ventilation isn’t just about comfort; it’s a compliance issue. Under Building Code Clause G4, spaces where people live must have adequate ventilation to prevent mold and moisture buildup. The Healthy Homes Standards further enforce this for rental properties, requiring specific extraction capacities for kitchens and bathrooms.

Ensuring you use the correct diameter components (like 150mm for kitchens) is vital. Using a restrictive component in a 150mm system effectively chokes it down, potentially causing it to fail a flow test. Smooth Air products are designed to meet AS/NZS 4254 standards, giving you peace of mind that your installation is up to code.

Material Selection: PVC vs. Galvanized Steel

Choosing between plastic (PVC) and metal components depends on the application.

• PVC (Plastic): Ideal for residential use, especially in bathroom and laundry extracts. It is lightweight, immune to corrosion (rust), and has a very smooth internal surface for excellent airflow. It helps reduce vibration noise transfer.
• Galvanized Steel: The standard for commercial HVAC and high-temperature applications. It offers superior structural rigidity and fire resistance. If your system passes through fire-rated walls, steel components (often combined with fire dampers) are non-negotiable.

This specific item, the Tube Galv D250 L600mm P/C Ebony, utilizes materials selected for durability and performance in its intended class.

Logistics & Warranty

Secure Shipping: We utilize a “Direct-to-Site” 3PL model. Your order for the TG2506 – EBONY is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This reduces road miles and handling, ensuring your parts arrive in pristine condition.

NZ Warranty: As a 100% NZ-owned business, all purchases are covered by the Consumer Guarantees Act. Whether you are a trade professional or a DIY homeowner, you are protected against manufacturing defects.

Professional HVAC Supply: Tube Galv D250 L600mm P/C Ebony

You are viewing the Tube Galv D250 L600mm P/C Ebony (SKU: TG2506 – EBONY). A critical component within our Rigid Tube range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from the Smooth Air supply chain for NZ Depot.

Technical Specifications & Features

About the Round Tube – Steel (BESE – big endsmall end) Series

Lighter, stronger, and more cost effective than traditional sheet metal ducting.
High aerodynamic performance and durability
Manufactured from galvanised steel
Smooth dimpled interior for high efficiency aerodynamics
100% hermetic seal due to high-quality lock seam
2.95m, 1.8m & 1.2m lengths standard. Other lengths available to order non-standard
Standard diameters (mm): 100 125 150 175 200 250 300 350 400 450 500 600
Non-standard (mm): 160 180 224 280 315 360 480 550 560 630 710 800 1000 1250 1320 1472 1524
Can be insulated with fibreglass ductwrap, thermobreak or 25mm polyester
For 100mm and 125mm dia tube use Rigi-Tube cut to length

Understanding NZ HVAC Compliance

When selecting ventilation equipment for New Zealand homes and businesses, compliance with AS/NZS 4254 and UL 181 standards is non-negotiable. The Tube Galv D250 L600mm P/C Ebony is engineered to meet these rigorous safety and performance benchmarks.

Why R-Value Matters

For insulated ducting components, the R-Value (Thermal Resistance) is critical. A higher R-Value ensures that the air travelling through your system maintains its temperature—whether hot or cold—from the unit to the outlet. This reduces energy load on your heat pump or AC unit, lowering electricity bills and increasing system longevity. This product offers an R-Value of (if applicable), ensuring thermal efficiency.

Fire Safety & Materials

Safety is paramount in ceiling spaces and wall cavities. Smooth Air components utilize fire-resistant materials, often featuring a metallized Mylar outer jacket and encapsulated steel wire cores. This construction not only prevents fire spread but also maintains the structural integrity of the ducting under high pressure.

Why NZ DEPOT for HVAC?

🌱 Sustainable Supply Chain Initiative

At NZ DEPOT, we are modernizing the New Zealand trade supply chain. Traditional retail involves shipping products from a manufacturer to a central warehouse, then to a retail showroom, and finally to the customer. This “multi-hop” model adds unnecessary carbon emissions and cost.

By utilizing a Direct-to-Site 3PL model, we eliminate the “Showroom Hop.” Your order for the TG2506 – EBONY is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This logistical efficiency reduces road miles, lowers our carbon footprint, and allows us to pass significant savings on to you.

🛡️ Warranty & Consumer Protection

Technical Verification Required

Ventilation components require precise sizing. Please verify that this TG2018 model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.

Key Specs:
Category: Rigid Tube
Type: Round Tube – Steel (BESE – big endsmall end)

Maximizing Airflow Efficiency

Whether you are installing a bathroom extractor, a range hood, or a full balanced pressure heat recovery system, the physics of airflow remains the same: air hates friction. Every component in your system, from the ducting to the joiners and grilles, introduces “Static Pressure” (resistance).

Using high-quality components like the Spiro Galvanised Tube 200dia 1800mmL BE/SE is crucial for minimizing this resistance. Cheaper, poorly molded fittings or rough-bore ducting can create turbulence, which reduces the extraction rate of your fan. This means your fan has to work harder, creating more noise and using more electricity, while moving less damp air out of your home.

Pro Tip: When connecting ducting, always stretch flexible ducting taut. A saggy duct creates immense resistance. Use rigid joiners and bends where possible to maintain a smooth internal profile for the air to glide over.

Building Code G4 & Healthy Homes Standards

In New Zealand, ventilation isn’t just about comfort; it’s a compliance issue. Under Building Code Clause G4, spaces where people live must have adequate ventilation to prevent mold and moisture buildup. The Healthy Homes Standards further enforce this for rental properties, requiring specific extraction capacities for kitchens and bathrooms.

Ensuring you use the correct diameter components (like 150mm for kitchens) is vital. Using a restrictive component in a 150mm system effectively chokes it down, potentially causing it to fail a flow test. Smooth Air products are designed to meet AS/NZS 4254 standards, giving you peace of mind that your installation is up to code.

Material Selection: PVC vs. Galvanized Steel

Choosing between plastic (PVC) and metal components depends on the application.

• PVC (Plastic): Ideal for residential use, especially in bathroom and laundry extracts. It is lightweight, immune to corrosion (rust), and has a very smooth internal surface for excellent airflow. It helps reduce vibration noise transfer.
• Galvanized Steel: The standard for commercial HVAC and high-temperature applications. It offers superior structural rigidity and fire resistance. If your system passes through fire-rated walls, steel components (often combined with fire dampers) are non-negotiable.

This specific item, the Spiro Galvanised Tube 200dia 1800mmL BE/SE, utilizes materials selected for durability and performance in its intended class.

Logistics & Warranty

Secure Shipping: We utilize a “Direct-to-Site” 3PL model. Your order for the TG2018 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This reduces road miles and handling, ensuring your parts arrive in pristine condition.

NZ Warranty: As a 100% NZ-owned business, all purchases are covered by the Consumer Guarantees Act. Whether you are a trade professional or a DIY homeowner, you are protected against manufacturing defects.

Professional HVAC Supply: Spiro Galvanised Tube 200dia 1800mmL BE/SE

You are viewing the Spiro Galvanised Tube 200dia 1800mmL BE/SE (SKU: TG2018). A critical component within our Rigid Tube range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from the Smooth Air supply chain for NZ Depot.

Technical Specifications & Features

About the Round Tube – Steel (BESE – big endsmall end) Series

Lighter, stronger, and more cost effective than traditional sheet metal ducting.
High aerodynamic performance and durability
Manufactured from galvanised steel
Smooth dimpled interior for high efficiency aerodynamics
100% hermetic seal due to high-quality lock seam
2.95m, 1.8m & 1.2m lengths standard. Other lengths available to order non-standard
Standard diameters (mm): 100 125 150 175 200 250 300 350 400 450 500 600
Non-standard (mm): 160 180 224 280 315 360 480 550 560 630 710 800 1000 1250 1320 1472 1524
Can be insulated with fibreglass ductwrap, thermobreak or 25mm polyester
For 100mm and 125mm dia tube use Rigi-Tube cut to length

Understanding NZ HVAC Compliance

When selecting ventilation equipment for New Zealand homes and businesses, compliance with AS/NZS 4254 and UL 181 standards is non-negotiable. The Spiro Galvanised Tube 200dia 1800mmL BE/SE is engineered to meet these rigorous safety and performance benchmarks.

Why R-Value Matters

For insulated ducting components, the R-Value (Thermal Resistance) is critical. A higher R-Value ensures that the air travelling through your system maintains its temperature—whether hot or cold—from the unit to the outlet. This reduces energy load on your heat pump or AC unit, lowering electricity bills and increasing system longevity. This product offers an R-Value of (if applicable), ensuring thermal efficiency.

Fire Safety & Materials

Safety is paramount in ceiling spaces and wall cavities. Smooth Air components utilize fire-resistant materials, often featuring a metallized Mylar outer jacket and encapsulated steel wire cores. This construction not only prevents fire spread but also maintains the structural integrity of the ducting under high pressure.

Why NZ DEPOT for HVAC?

🌱 Sustainable Supply Chain Initiative

At NZ DEPOT, we are modernizing the New Zealand trade supply chain. Traditional retail involves shipping products from a manufacturer to a central warehouse, then to a retail showroom, and finally to the customer. This “multi-hop” model adds unnecessary carbon emissions and cost.

By utilizing a Direct-to-Site 3PL model, we eliminate the “Showroom Hop.” Your order for the TG2018 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This logistical efficiency reduces road miles, lowers our carbon footprint, and allows us to pass significant savings on to you.

🛡️ Warranty & Consumer Protection

Technical Verification Required

Ventilation components require precise sizing. Please verify that this TG2012 model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.

Key Specs:
Category: Rigid Tube
Type: Round Tube – Steel (BESE – big endsmall end)

Maximizing Airflow Efficiency

Whether you are installing a bathroom extractor, a range hood, or a full balanced pressure heat recovery system, the physics of airflow remains the same: air hates friction. Every component in your system, from the ducting to the joiners and grilles, introduces “Static Pressure” (resistance).

Using high-quality components like the Spiro Galvanised Tube 200dia 1200mmL BE/SE is crucial for minimizing this resistance. Cheaper, poorly molded fittings or rough-bore ducting can create turbulence, which reduces the extraction rate of your fan. This means your fan has to work harder, creating more noise and using more electricity, while moving less damp air out of your home.

Pro Tip: When connecting ducting, always stretch flexible ducting taut. A saggy duct creates immense resistance. Use rigid joiners and bends where possible to maintain a smooth internal profile for the air to glide over.

Building Code G4 & Healthy Homes Standards

In New Zealand, ventilation isn’t just about comfort; it’s a compliance issue. Under Building Code Clause G4, spaces where people live must have adequate ventilation to prevent mold and moisture buildup. The Healthy Homes Standards further enforce this for rental properties, requiring specific extraction capacities for kitchens and bathrooms.

Ensuring you use the correct diameter components (like 150mm for kitchens) is vital. Using a restrictive component in a 150mm system effectively chokes it down, potentially causing it to fail a flow test. Smooth Air products are designed to meet AS/NZS 4254 standards, giving you peace of mind that your installation is up to code.

Material Selection: PVC vs. Galvanized Steel

Choosing between plastic (PVC) and metal components depends on the application.

• PVC (Plastic): Ideal for residential use, especially in bathroom and laundry extracts. It is lightweight, immune to corrosion (rust), and has a very smooth internal surface for excellent airflow. It helps reduce vibration noise transfer.
• Galvanized Steel: The standard for commercial HVAC and high-temperature applications. It offers superior structural rigidity and fire resistance. If your system passes through fire-rated walls, steel components (often combined with fire dampers) are non-negotiable.

This specific item, the Spiro Galvanised Tube 200dia 1200mmL BE/SE, utilizes materials selected for durability and performance in its intended class.

Logistics & Warranty

Secure Shipping: We utilize a “Direct-to-Site” 3PL model. Your order for the TG2012 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This reduces road miles and handling, ensuring your parts arrive in pristine condition.

NZ Warranty: As a 100% NZ-owned business, all purchases are covered by the Consumer Guarantees Act. Whether you are a trade professional or a DIY homeowner, you are protected against manufacturing defects.

Professional HVAC Supply: Spiro Galvanised Tube 200dia 1200mmL BE/SE

You are viewing the Spiro Galvanised Tube 200dia 1200mmL BE/SE (SKU: TG2012). A critical component within our Rigid Tube range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from the Smooth Air supply chain for NZ Depot.

Technical Specifications & Features

About the Round Tube – Steel (BESE – big endsmall end) Series

Lighter, stronger, and more cost effective than traditional sheet metal ducting.
High aerodynamic performance and durability
Manufactured from galvanised steel
Smooth dimpled interior for high efficiency aerodynamics
100% hermetic seal due to high-quality lock seam
2.95m, 1.8m & 1.2m lengths standard. Other lengths available to order non-standard
Standard diameters (mm): 100 125 150 175 200 250 300 350 400 450 500 600
Non-standard (mm): 160 180 224 280 315 360 480 550 560 630 710 800 1000 1250 1320 1472 1524
Can be insulated with fibreglass ductwrap, thermobreak or 25mm polyester
For 100mm and 125mm dia tube use Rigi-Tube cut to length

Understanding NZ HVAC Compliance

When selecting ventilation equipment for New Zealand homes and businesses, compliance with AS/NZS 4254 and UL 181 standards is non-negotiable. The Spiro Galvanised Tube 200dia 1200mmL BE/SE is engineered to meet these rigorous safety and performance benchmarks.

Why R-Value Matters

For insulated ducting components, the R-Value (Thermal Resistance) is critical. A higher R-Value ensures that the air travelling through your system maintains its temperature—whether hot or cold—from the unit to the outlet. This reduces energy load on your heat pump or AC unit, lowering electricity bills and increasing system longevity. This product offers an R-Value of (if applicable), ensuring thermal efficiency.

Fire Safety & Materials

Safety is paramount in ceiling spaces and wall cavities. Smooth Air components utilize fire-resistant materials, often featuring a metallized Mylar outer jacket and encapsulated steel wire cores. This construction not only prevents fire spread but also maintains the structural integrity of the ducting under high pressure.

Why NZ DEPOT for HVAC?

🌱 Sustainable Supply Chain Initiative

At NZ DEPOT, we are modernizing the New Zealand trade supply chain. Traditional retail involves shipping products from a manufacturer to a central warehouse, then to a retail showroom, and finally to the customer. This “multi-hop” model adds unnecessary carbon emissions and cost.

By utilizing a Direct-to-Site 3PL model, we eliminate the “Showroom Hop.” Your order for the TG2012 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This logistical efficiency reduces road miles, lowers our carbon footprint, and allows us to pass significant savings on to you.

🛡️ Warranty & Consumer Protection

Technical Verification Required

Ventilation components require precise sizing. Please verify that this TG2506 model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.

Key Specs:
Category: Rigid Tube
Type: Round Tube – Steel (BESE – big endsmall end)

Maximizing Airflow Efficiency

Whether you are installing a bathroom extractor, a range hood, or a full balanced pressure heat recovery system, the physics of airflow remains the same: air hates friction. Every component in your system, from the ducting to the joiners and grilles, introduces “Static Pressure” (resistance).

Using high-quality components like the Galvanised Tube 250dia 600mmL BE/SE is crucial for minimizing this resistance. Cheaper, poorly molded fittings or rough-bore ducting can create turbulence, which reduces the extraction rate of your fan. This means your fan has to work harder, creating more noise and using more electricity, while moving less damp air out of your home.

Pro Tip: When connecting ducting, always stretch flexible ducting taut. A saggy duct creates immense resistance. Use rigid joiners and bends where possible to maintain a smooth internal profile for the air to glide over.

Building Code G4 & Healthy Homes Standards

In New Zealand, ventilation isn’t just about comfort; it’s a compliance issue. Under Building Code Clause G4, spaces where people live must have adequate ventilation to prevent mold and moisture buildup. The Healthy Homes Standards further enforce this for rental properties, requiring specific extraction capacities for kitchens and bathrooms.

Ensuring you use the correct diameter components (like 150mm for kitchens) is vital. Using a restrictive component in a 150mm system effectively chokes it down, potentially causing it to fail a flow test. Smooth Air products are designed to meet AS/NZS 4254 standards, giving you peace of mind that your installation is up to code.

Material Selection: PVC vs. Galvanized Steel

Choosing between plastic (PVC) and metal components depends on the application.

• PVC (Plastic): Ideal for residential use, especially in bathroom and laundry extracts. It is lightweight, immune to corrosion (rust), and has a very smooth internal surface for excellent airflow. It helps reduce vibration noise transfer.
• Galvanized Steel: The standard for commercial HVAC and high-temperature applications. It offers superior structural rigidity and fire resistance. If your system passes through fire-rated walls, steel components (often combined with fire dampers) are non-negotiable.

This specific item, the Galvanised Tube 250dia 600mmL BE/SE, utilizes materials selected for durability and performance in its intended class.

Logistics & Warranty

Secure Shipping: We utilize a “Direct-to-Site” 3PL model. Your order for the TG2506 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This reduces road miles and handling, ensuring your parts arrive in pristine condition.

NZ Warranty: As a 100% NZ-owned business, all purchases are covered by the Consumer Guarantees Act. Whether you are a trade professional or a DIY homeowner, you are protected against manufacturing defects.

Professional HVAC Supply: Galvanised Tube 250dia 600mmL BE/SE

You are viewing the Galvanised Tube 250dia 600mmL BE/SE (SKU: TG2506). A critical component within our Rigid Tube range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from the Smooth Air supply chain for NZ Depot.

Technical Specifications & Features

About the Round Tube – Steel (BESE – big endsmall end) Series

Lighter, stronger, and more cost effective than traditional sheet metal ducting.
High aerodynamic performance and durability
Manufactured from galvanised steel
Smooth dimpled interior for high efficiency aerodynamics
100% hermetic seal due to high-quality lock seam
2.95m, 1.8m & 1.2m lengths standard. Other lengths available to order non-standard
Standard diameters (mm): 100 125 150 175 200 250 300 350 400 450 500 600
Non-standard (mm): 160 180 224 280 315 360 480 550 560 630 710 800 1000 1250 1320 1472 1524
Can be insulated with fibreglass ductwrap, thermobreak or 25mm polyester
For 100mm and 125mm dia tube use Rigi-Tube cut to length

Understanding NZ HVAC Compliance

When selecting ventilation equipment for New Zealand homes and businesses, compliance with AS/NZS 4254 and UL 181 standards is non-negotiable. The Galvanised Tube 250dia 600mmL BE/SE is engineered to meet these rigorous safety and performance benchmarks.

Why R-Value Matters

For insulated ducting components, the R-Value (Thermal Resistance) is critical. A higher R-Value ensures that the air travelling through your system maintains its temperature—whether hot or cold—from the unit to the outlet. This reduces energy load on your heat pump or AC unit, lowering electricity bills and increasing system longevity. This product offers an R-Value of (if applicable), ensuring thermal efficiency.

Fire Safety & Materials

Safety is paramount in ceiling spaces and wall cavities. Smooth Air components utilize fire-resistant materials, often featuring a metallized Mylar outer jacket and encapsulated steel wire cores. This construction not only prevents fire spread but also maintains the structural integrity of the ducting under high pressure.

Why NZ DEPOT for HVAC?

🌱 Sustainable Supply Chain Initiative

At NZ DEPOT, we are modernizing the New Zealand trade supply chain. Traditional retail involves shipping products from a manufacturer to a central warehouse, then to a retail showroom, and finally to the customer. This “multi-hop” model adds unnecessary carbon emissions and cost.

By utilizing a Direct-to-Site 3PL model, we eliminate the “Showroom Hop.” Your order for the TG2506 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This logistical efficiency reduces road miles, lowers our carbon footprint, and allows us to pass significant savings on to you.

🛡️ Warranty & Consumer Protection

Technical Verification Required

Ventilation components require precise sizing. Please verify that this TG2506 – FLAXPOD model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.

Key Specs:
Category: Rigid Tube
Type: Round Tube – Steel (BESE – big endsmall end)

Maximizing Airflow Efficiency

Whether you are installing a bathroom extractor, a range hood, or a full balanced pressure heat recovery system, the physics of airflow remains the same: air hates friction. Every component in your system, from the ducting to the joiners and grilles, introduces “Static Pressure” (resistance).

Using high-quality components like the Tube Galv D250 L600mm P/C Ebony is crucial for minimizing this resistance. Cheaper, poorly molded fittings or rough-bore ducting can create turbulence, which reduces the extraction rate of your fan. This means your fan has to work harder, creating more noise and using more electricity, while moving less damp air out of your home.

Pro Tip: When connecting ducting, always stretch flexible ducting taut. A saggy duct creates immense resistance. Use rigid joiners and bends where possible to maintain a smooth internal profile for the air to glide over.

Building Code G4 & Healthy Homes Standards

In New Zealand, ventilation isn’t just about comfort; it’s a compliance issue. Under Building Code Clause G4, spaces where people live must have adequate ventilation to prevent mold and moisture buildup. The Healthy Homes Standards further enforce this for rental properties, requiring specific extraction capacities for kitchens and bathrooms.

Ensuring you use the correct diameter components (like 150mm for kitchens) is vital. Using a restrictive component in a 150mm system effectively chokes it down, potentially causing it to fail a flow test. Smooth Air products are designed to meet AS/NZS 4254 standards, giving you peace of mind that your installation is up to code.

Material Selection: PVC vs. Galvanized Steel

Choosing between plastic (PVC) and metal components depends on the application.

• PVC (Plastic): Ideal for residential use, especially in bathroom and laundry extracts. It is lightweight, immune to corrosion (rust), and has a very smooth internal surface for excellent airflow. It helps reduce vibration noise transfer.
• Galvanized Steel: The standard for commercial HVAC and high-temperature applications. It offers superior structural rigidity and fire resistance. If your system passes through fire-rated walls, steel components (often combined with fire dampers) are non-negotiable.

This specific item, the Tube Galv D250 L600mm P/C Ebony, utilizes materials selected for durability and performance in its intended class.

Logistics & Warranty

Secure Shipping: We utilize a “Direct-to-Site” 3PL model. Your order for the TG2506 – FLAXPOD is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This reduces road miles and handling, ensuring your parts arrive in pristine condition.

NZ Warranty: As a 100% NZ-owned business, all purchases are covered by the Consumer Guarantees Act. Whether you are a trade professional or a DIY homeowner, you are protected against manufacturing defects.

Professional HVAC Supply: Tube Galv D250 L600mm P/C Ebony

You are viewing the Tube Galv D250 L600mm P/C Ebony (SKU: TG2506 – FLAXPOD). A critical component within our Rigid Tube range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from the Smooth Air supply chain for NZ Depot.

Technical Specifications & Features

About the Round Tube – Steel (BESE – big endsmall end) Series

Lighter, stronger, and more cost effective than traditional sheet metal ducting.
High aerodynamic performance and durability
Manufactured from galvanised steel
Smooth dimpled interior for high efficiency aerodynamics
100% hermetic seal due to high-quality lock seam
2.95m, 1.8m & 1.2m lengths standard. Other lengths available to order non-standard
Standard diameters (mm): 100 125 150 175 200 250 300 350 400 450 500 600
Non-standard (mm): 160 180 224 280 315 360 480 550 560 630 710 800 1000 1250 1320 1472 1524
Can be insulated with fibreglass ductwrap, thermobreak or 25mm polyester
For 100mm and 125mm dia tube use Rigi-Tube cut to length

Understanding NZ HVAC Compliance

When selecting ventilation equipment for New Zealand homes and businesses, compliance with AS/NZS 4254 and UL 181 standards is non-negotiable. The Tube Galv D250 L600mm P/C Ebony is engineered to meet these rigorous safety and performance benchmarks.

Why R-Value Matters

For insulated ducting components, the R-Value (Thermal Resistance) is critical. A higher R-Value ensures that the air travelling through your system maintains its temperature—whether hot or cold—from the unit to the outlet. This reduces energy load on your heat pump or AC unit, lowering electricity bills and increasing system longevity. This product offers an R-Value of (if applicable), ensuring thermal efficiency.

Fire Safety & Materials

Safety is paramount in ceiling spaces and wall cavities. Smooth Air components utilize fire-resistant materials, often featuring a metallized Mylar outer jacket and encapsulated steel wire cores. This construction not only prevents fire spread but also maintains the structural integrity of the ducting under high pressure.

Why NZ DEPOT for HVAC?

🌱 Sustainable Supply Chain Initiative

At NZ DEPOT, we are modernizing the New Zealand trade supply chain. Traditional retail involves shipping products from a manufacturer to a central warehouse, then to a retail showroom, and finally to the customer. This “multi-hop” model adds unnecessary carbon emissions and cost.

By utilizing a Direct-to-Site 3PL model, we eliminate the “Showroom Hop.” Your order for the TG2506 – FLAXPOD is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This logistical efficiency reduces road miles, lowers our carbon footprint, and allows us to pass significant savings on to you.

🛡️ Warranty & Consumer Protection

Technical Verification Required

Ventilation components require precise sizing. Please verify that this TGDW254512 model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.

Key Specs:
Category: Rigid Tube
Type: Wrapped Tube (Fire stop insulation)

Maximizing Airflow Efficiency

Whether you are installing a bathroom extractor, a range hood, or a full balanced pressure heat recovery system, the physics of airflow remains the same: air hates friction. Every component in your system, from the ducting to the joiners and grilles, introduces “Static Pressure” (resistance).

Using high-quality components like the Spiro Tube Duct Wrap 25mm 450dia x 1200 (R0.7) is crucial for minimizing this resistance. Cheaper, poorly molded fittings or rough-bore ducting can create turbulence, which reduces the extraction rate of your fan. This means your fan has to work harder, creating more noise and using more electricity, while moving less damp air out of your home.

Pro Tip: When connecting ducting, always stretch flexible ducting taut. A saggy duct creates immense resistance. Use rigid joiners and bends where possible to maintain a smooth internal profile for the air to glide over.

Building Code G4 & Healthy Homes Standards

In New Zealand, ventilation isn’t just about comfort; it’s a compliance issue. Under Building Code Clause G4, spaces where people live must have adequate ventilation to prevent mold and moisture buildup. The Healthy Homes Standards further enforce this for rental properties, requiring specific extraction capacities for kitchens and bathrooms.

Ensuring you use the correct diameter components (like 150mm for kitchens) is vital. Using a restrictive component in a 150mm system effectively chokes it down, potentially causing it to fail a flow test. Smooth Air products are designed to meet AS/NZS 4254 standards, giving you peace of mind that your installation is up to code.

Material Selection: PVC vs. Galvanized Steel

Choosing between plastic (PVC) and metal components depends on the application.

• PVC (Plastic): Ideal for residential use, especially in bathroom and laundry extracts. It is lightweight, immune to corrosion (rust), and has a very smooth internal surface for excellent airflow. It helps reduce vibration noise transfer.
• Galvanized Steel: The standard for commercial HVAC and high-temperature applications. It offers superior structural rigidity and fire resistance. If your system passes through fire-rated walls, steel components (often combined with fire dampers) are non-negotiable.

This specific item, the Spiro Tube Duct Wrap 25mm 450dia x 1200 (R0.7), utilizes materials selected for durability and performance in its intended class.

Logistics & Warranty

Secure Shipping: We utilize a “Direct-to-Site” 3PL model. Your order for the TGDW254512 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This reduces road miles and handling, ensuring your parts arrive in pristine condition.

NZ Warranty: As a 100% NZ-owned business, all purchases are covered by the Consumer Guarantees Act. Whether you are a trade professional or a DIY homeowner, you are protected against manufacturing defects.

Professional HVAC Supply: Spiro Tube Duct Wrap 25mm 450dia x 1200 (R0.7)

You are viewing the Spiro Tube Duct Wrap 25mm 450dia x 1200 (R0.7) (SKU: TGDW254512). A critical component within our Rigid Tube range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from the Smooth Air supply chain for NZ Depot.

Technical Specifications & Features

About the Wrapped Tube (Fire stop insulation) Series

Standard freight charges will apply on all orders of wrapped tube. Rates for bulk orders by negotiation.

Understanding NZ HVAC Compliance

When selecting ventilation equipment for New Zealand homes and businesses, compliance with AS/NZS 4254 and UL 181 standards is non-negotiable. The Spiro Tube Duct Wrap 25mm 450dia x 1200 (R0.7) is engineered to meet these rigorous safety and performance benchmarks.

Why R-Value Matters

For insulated ducting components, the R-Value (Thermal Resistance) is critical. A higher R-Value ensures that the air travelling through your system maintains its temperature—whether hot or cold—from the unit to the outlet. This reduces energy load on your heat pump or AC unit, lowering electricity bills and increasing system longevity. This product offers an R-Value of (if applicable), ensuring thermal efficiency.

Fire Safety & Materials

Safety is paramount in ceiling spaces and wall cavities. Smooth Air components utilize fire-resistant materials, often featuring a metallized Mylar outer jacket and encapsulated steel wire cores. This construction not only prevents fire spread but also maintains the structural integrity of the ducting under high pressure.

Why NZ DEPOT for HVAC?

🌱 Sustainable Supply Chain Initiative

At NZ DEPOT, we are modernizing the New Zealand trade supply chain. Traditional retail involves shipping products from a manufacturer to a central warehouse, then to a retail showroom, and finally to the customer. This “multi-hop” model adds unnecessary carbon emissions and cost.

By utilizing a Direct-to-Site 3PL model, we eliminate the “Showroom Hop.” Your order for the TGDW254512 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This logistical efficiency reduces road miles, lowers our carbon footprint, and allows us to pass significant savings on to you.

🛡️ Warranty & Consumer Protection

Technical Verification Required

Ventilation components require precise sizing. Please verify that this TGDW255012 model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.

Key Specs:
Category: Rigid Tube
Type: Wrapped Tube (Fire stop insulation)

Maximizing Airflow Efficiency

Whether you are installing a bathroom extractor, a range hood, or a full balanced pressure heat recovery system, the physics of airflow remains the same: air hates friction. Every component in your system, from the ducting to the joiners and grilles, introduces “Static Pressure” (resistance).

Using high-quality components like the Spiro Tube Duct Wrap 25mm 500dia x 1200 (R0.7) is crucial for minimizing this resistance. Cheaper, poorly molded fittings or rough-bore ducting can create turbulence, which reduces the extraction rate of your fan. This means your fan has to work harder, creating more noise and using more electricity, while moving less damp air out of your home.

Pro Tip: When connecting ducting, always stretch flexible ducting taut. A saggy duct creates immense resistance. Use rigid joiners and bends where possible to maintain a smooth internal profile for the air to glide over.

Building Code G4 & Healthy Homes Standards

In New Zealand, ventilation isn’t just about comfort; it’s a compliance issue. Under Building Code Clause G4, spaces where people live must have adequate ventilation to prevent mold and moisture buildup. The Healthy Homes Standards further enforce this for rental properties, requiring specific extraction capacities for kitchens and bathrooms.

Ensuring you use the correct diameter components (like 150mm for kitchens) is vital. Using a restrictive component in a 150mm system effectively chokes it down, potentially causing it to fail a flow test. Smooth Air products are designed to meet AS/NZS 4254 standards, giving you peace of mind that your installation is up to code.

Material Selection: PVC vs. Galvanized Steel

Choosing between plastic (PVC) and metal components depends on the application.

• PVC (Plastic): Ideal for residential use, especially in bathroom and laundry extracts. It is lightweight, immune to corrosion (rust), and has a very smooth internal surface for excellent airflow. It helps reduce vibration noise transfer.
• Galvanized Steel: The standard for commercial HVAC and high-temperature applications. It offers superior structural rigidity and fire resistance. If your system passes through fire-rated walls, steel components (often combined with fire dampers) are non-negotiable.

This specific item, the Spiro Tube Duct Wrap 25mm 500dia x 1200 (R0.7), utilizes materials selected for durability and performance in its intended class.

Logistics & Warranty

Secure Shipping: We utilize a “Direct-to-Site” 3PL model. Your order for the TGDW255012 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This reduces road miles and handling, ensuring your parts arrive in pristine condition.

NZ Warranty: As a 100% NZ-owned business, all purchases are covered by the Consumer Guarantees Act. Whether you are a trade professional or a DIY homeowner, you are protected against manufacturing defects.

Professional HVAC Supply: Spiro Tube Duct Wrap 25mm 500dia x 1200 (R0.7)

You are viewing the Spiro Tube Duct Wrap 25mm 500dia x 1200 (R0.7) (SKU: TGDW255012). A critical component within our Rigid Tube range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from the Smooth Air supply chain for NZ Depot.

Technical Specifications & Features

About the Wrapped Tube (Fire stop insulation) Series

Standard freight charges will apply on all orders of wrapped tube. Rates for bulk orders by negotiation.

Understanding NZ HVAC Compliance

When selecting ventilation equipment for New Zealand homes and businesses, compliance with AS/NZS 4254 and UL 181 standards is non-negotiable. The Spiro Tube Duct Wrap 25mm 500dia x 1200 (R0.7) is engineered to meet these rigorous safety and performance benchmarks.

Why R-Value Matters

For insulated ducting components, the R-Value (Thermal Resistance) is critical. A higher R-Value ensures that the air travelling through your system maintains its temperature—whether hot or cold—from the unit to the outlet. This reduces energy load on your heat pump or AC unit, lowering electricity bills and increasing system longevity. This product offers an R-Value of (if applicable), ensuring thermal efficiency.

Fire Safety & Materials

Safety is paramount in ceiling spaces and wall cavities. Smooth Air components utilize fire-resistant materials, often featuring a metallized Mylar outer jacket and encapsulated steel wire cores. This construction not only prevents fire spread but also maintains the structural integrity of the ducting under high pressure.

Why NZ DEPOT for HVAC?

🌱 Sustainable Supply Chain Initiative

At NZ DEPOT, we are modernizing the New Zealand trade supply chain. Traditional retail involves shipping products from a manufacturer to a central warehouse, then to a retail showroom, and finally to the customer. This “multi-hop” model adds unnecessary carbon emissions and cost.

By utilizing a Direct-to-Site 3PL model, we eliminate the “Showroom Hop.” Your order for the TGDW255012 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This logistical efficiency reduces road miles, lowers our carbon footprint, and allows us to pass significant savings on to you.

🛡️ Warranty & Consumer Protection

Technical Verification Required

Ventilation components require precise sizing. Please verify that this TGDW501012 model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.

Key Specs:
Category: Rigid Tube
Type: Wrapped Tube (Fire stop insulation)

Maximizing Airflow Efficiency

Whether you are installing a bathroom extractor, a range hood, or a full balanced pressure heat recovery system, the physics of airflow remains the same: air hates friction. Every component in your system, from the ducting to the joiners and grilles, introduces “Static Pressure” (resistance).

Using high-quality components like the Spiro Tube Duct Wrap 50mm 100dia x 1200 (R1.5) is crucial for minimizing this resistance. Cheaper, poorly molded fittings or rough-bore ducting can create turbulence, which reduces the extraction rate of your fan. This means your fan has to work harder, creating more noise and using more electricity, while moving less damp air out of your home.

Pro Tip: When connecting ducting, always stretch flexible ducting taut. A saggy duct creates immense resistance. Use rigid joiners and bends where possible to maintain a smooth internal profile for the air to glide over.

Building Code G4 & Healthy Homes Standards

In New Zealand, ventilation isn’t just about comfort; it’s a compliance issue. Under Building Code Clause G4, spaces where people live must have adequate ventilation to prevent mold and moisture buildup. The Healthy Homes Standards further enforce this for rental properties, requiring specific extraction capacities for kitchens and bathrooms.

Ensuring you use the correct diameter components (like 150mm for kitchens) is vital. Using a restrictive component in a 150mm system effectively chokes it down, potentially causing it to fail a flow test. Smooth Air products are designed to meet AS/NZS 4254 standards, giving you peace of mind that your installation is up to code.

Material Selection: PVC vs. Galvanized Steel

Choosing between plastic (PVC) and metal components depends on the application.

• PVC (Plastic): Ideal for residential use, especially in bathroom and laundry extracts. It is lightweight, immune to corrosion (rust), and has a very smooth internal surface for excellent airflow. It helps reduce vibration noise transfer.
• Galvanized Steel: The standard for commercial HVAC and high-temperature applications. It offers superior structural rigidity and fire resistance. If your system passes through fire-rated walls, steel components (often combined with fire dampers) are non-negotiable.

This specific item, the Spiro Tube Duct Wrap 50mm 100dia x 1200 (R1.5), utilizes materials selected for durability and performance in its intended class.

Logistics & Warranty

Secure Shipping: We utilize a “Direct-to-Site” 3PL model. Your order for the TGDW501012 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This reduces road miles and handling, ensuring your parts arrive in pristine condition.

NZ Warranty: As a 100% NZ-owned business, all purchases are covered by the Consumer Guarantees Act. Whether you are a trade professional or a DIY homeowner, you are protected against manufacturing defects.

Professional HVAC Supply: Spiro Tube Duct Wrap 50mm 100dia x 1200 (R1.5)

You are viewing the Spiro Tube Duct Wrap 50mm 100dia x 1200 (R1.5) (SKU: TGDW501012). A critical component within our Rigid Tube range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from the Smooth Air supply chain for NZ Depot.

Technical Specifications & Features

About the Wrapped Tube (Fire stop insulation) Series

Standard freight charges will apply on all orders of wrapped tube. Rates for bulk orders by negotiation.

Understanding NZ HVAC Compliance

When selecting ventilation equipment for New Zealand homes and businesses, compliance with AS/NZS 4254 and UL 181 standards is non-negotiable. The Spiro Tube Duct Wrap 50mm 100dia x 1200 (R1.5) is engineered to meet these rigorous safety and performance benchmarks.

Why R-Value Matters

For insulated ducting components, the R-Value (Thermal Resistance) is critical. A higher R-Value ensures that the air travelling through your system maintains its temperature—whether hot or cold—from the unit to the outlet. This reduces energy load on your heat pump or AC unit, lowering electricity bills and increasing system longevity. This product offers an R-Value of (if applicable), ensuring thermal efficiency.

Fire Safety & Materials

Safety is paramount in ceiling spaces and wall cavities. Smooth Air components utilize fire-resistant materials, often featuring a metallized Mylar outer jacket and encapsulated steel wire cores. This construction not only prevents fire spread but also maintains the structural integrity of the ducting under high pressure.

Why NZ DEPOT for HVAC?

🌱 Sustainable Supply Chain Initiative

At NZ DEPOT, we are modernizing the New Zealand trade supply chain. Traditional retail involves shipping products from a manufacturer to a central warehouse, then to a retail showroom, and finally to the customer. This “multi-hop” model adds unnecessary carbon emissions and cost.

By utilizing a Direct-to-Site 3PL model, we eliminate the “Showroom Hop.” Your order for the TGDW501012 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This logistical efficiency reduces road miles, lowers our carbon footprint, and allows us to pass significant savings on to you.

🛡️ Warranty & Consumer Protection

Technical Verification Required

Ventilation components require precise sizing. Please verify that this TGDW501212 model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.

Key Specs:
Category: Rigid Tube
Type: Wrapped Tube (Fire stop insulation)

Maximizing Airflow Efficiency

Whether you are installing a bathroom extractor, a range hood, or a full balanced pressure heat recovery system, the physics of airflow remains the same: air hates friction. Every component in your system, from the ducting to the joiners and grilles, introduces “Static Pressure” (resistance).

Using high-quality components like the Spiro Tube Duct Wrap 50mm 125dia x 1200 (R1.5) is crucial for minimizing this resistance. Cheaper, poorly molded fittings or rough-bore ducting can create turbulence, which reduces the extraction rate of your fan. This means your fan has to work harder, creating more noise and using more electricity, while moving less damp air out of your home.

Pro Tip: When connecting ducting, always stretch flexible ducting taut. A saggy duct creates immense resistance. Use rigid joiners and bends where possible to maintain a smooth internal profile for the air to glide over.

Building Code G4 & Healthy Homes Standards

In New Zealand, ventilation isn’t just about comfort; it’s a compliance issue. Under Building Code Clause G4, spaces where people live must have adequate ventilation to prevent mold and moisture buildup. The Healthy Homes Standards further enforce this for rental properties, requiring specific extraction capacities for kitchens and bathrooms.

Ensuring you use the correct diameter components (like 150mm for kitchens) is vital. Using a restrictive component in a 150mm system effectively chokes it down, potentially causing it to fail a flow test. Smooth Air products are designed to meet AS/NZS 4254 standards, giving you peace of mind that your installation is up to code.

Material Selection: PVC vs. Galvanized Steel

Choosing between plastic (PVC) and metal components depends on the application.

• PVC (Plastic): Ideal for residential use, especially in bathroom and laundry extracts. It is lightweight, immune to corrosion (rust), and has a very smooth internal surface for excellent airflow. It helps reduce vibration noise transfer.
• Galvanized Steel: The standard for commercial HVAC and high-temperature applications. It offers superior structural rigidity and fire resistance. If your system passes through fire-rated walls, steel components (often combined with fire dampers) are non-negotiable.

This specific item, the Spiro Tube Duct Wrap 50mm 125dia x 1200 (R1.5), utilizes materials selected for durability and performance in its intended class.

Logistics & Warranty

Secure Shipping: We utilize a “Direct-to-Site” 3PL model. Your order for the TGDW501212 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This reduces road miles and handling, ensuring your parts arrive in pristine condition.

NZ Warranty: As a 100% NZ-owned business, all purchases are covered by the Consumer Guarantees Act. Whether you are a trade professional or a DIY homeowner, you are protected against manufacturing defects.

Professional HVAC Supply: Spiro Tube Duct Wrap 50mm 125dia x 1200 (R1.5)

You are viewing the Spiro Tube Duct Wrap 50mm 125dia x 1200 (R1.5) (SKU: TGDW501212). A critical component within our Rigid Tube range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from the Smooth Air supply chain for NZ Depot.

Technical Specifications & Features

About the Wrapped Tube (Fire stop insulation) Series

Standard freight charges will apply on all orders of wrapped tube. Rates for bulk orders by negotiation.

Understanding NZ HVAC Compliance

When selecting ventilation equipment for New Zealand homes and businesses, compliance with AS/NZS 4254 and UL 181 standards is non-negotiable. The Spiro Tube Duct Wrap 50mm 125dia x 1200 (R1.5) is engineered to meet these rigorous safety and performance benchmarks.

Why R-Value Matters

For insulated ducting components, the R-Value (Thermal Resistance) is critical. A higher R-Value ensures that the air travelling through your system maintains its temperature—whether hot or cold—from the unit to the outlet. This reduces energy load on your heat pump or AC unit, lowering electricity bills and increasing system longevity. This product offers an R-Value of (if applicable), ensuring thermal efficiency.

Fire Safety & Materials

Safety is paramount in ceiling spaces and wall cavities. Smooth Air components utilize fire-resistant materials, often featuring a metallized Mylar outer jacket and encapsulated steel wire cores. This construction not only prevents fire spread but also maintains the structural integrity of the ducting under high pressure.

Why NZ DEPOT for HVAC?

🌱 Sustainable Supply Chain Initiative

At NZ DEPOT, we are modernizing the New Zealand trade supply chain. Traditional retail involves shipping products from a manufacturer to a central warehouse, then to a retail showroom, and finally to the customer. This “multi-hop” model adds unnecessary carbon emissions and cost.

By utilizing a Direct-to-Site 3PL model, we eliminate the “Showroom Hop.” Your order for the TGDW501212 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This logistical efficiency reduces road miles, lowers our carbon footprint, and allows us to pass significant savings on to you.

🛡️ Warranty & Consumer Protection

Technical Verification Required

Ventilation components require precise sizing. Please verify that this TGDW501512 model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.

Key Specs:
Category: Rigid Tube
Type: Wrapped Tube (Fire stop insulation)

Maximizing Airflow Efficiency

Whether you are installing a bathroom extractor, a range hood, or a full balanced pressure heat recovery system, the physics of airflow remains the same: air hates friction. Every component in your system, from the ducting to the joiners and grilles, introduces “Static Pressure” (resistance).

Using high-quality components like the Spiro Tube Duct Wrap 50mm 150 dia x 1200 (R1.5) is crucial for minimizing this resistance. Cheaper, poorly molded fittings or rough-bore ducting can create turbulence, which reduces the extraction rate of your fan. This means your fan has to work harder, creating more noise and using more electricity, while moving less damp air out of your home.

Pro Tip: When connecting ducting, always stretch flexible ducting taut. A saggy duct creates immense resistance. Use rigid joiners and bends where possible to maintain a smooth internal profile for the air to glide over.

Building Code G4 & Healthy Homes Standards

In New Zealand, ventilation isn’t just about comfort; it’s a compliance issue. Under Building Code Clause G4, spaces where people live must have adequate ventilation to prevent mold and moisture buildup. The Healthy Homes Standards further enforce this for rental properties, requiring specific extraction capacities for kitchens and bathrooms.

Ensuring you use the correct diameter components (like 150mm for kitchens) is vital. Using a restrictive component in a 150mm system effectively chokes it down, potentially causing it to fail a flow test. Smooth Air products are designed to meet AS/NZS 4254 standards, giving you peace of mind that your installation is up to code.

Material Selection: PVC vs. Galvanized Steel

Choosing between plastic (PVC) and metal components depends on the application.

• PVC (Plastic): Ideal for residential use, especially in bathroom and laundry extracts. It is lightweight, immune to corrosion (rust), and has a very smooth internal surface for excellent airflow. It helps reduce vibration noise transfer.
• Galvanized Steel: The standard for commercial HVAC and high-temperature applications. It offers superior structural rigidity and fire resistance. If your system passes through fire-rated walls, steel components (often combined with fire dampers) are non-negotiable.

This specific item, the Spiro Tube Duct Wrap 50mm 150 dia x 1200 (R1.5), utilizes materials selected for durability and performance in its intended class.

Logistics & Warranty

Secure Shipping: We utilize a “Direct-to-Site” 3PL model. Your order for the TGDW501512 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This reduces road miles and handling, ensuring your parts arrive in pristine condition.

NZ Warranty: As a 100% NZ-owned business, all purchases are covered by the Consumer Guarantees Act. Whether you are a trade professional or a DIY homeowner, you are protected against manufacturing defects.

Professional HVAC Supply: Spiro Tube Duct Wrap 50mm 150 dia x 1200 (R1.5)

You are viewing the Spiro Tube Duct Wrap 50mm 150 dia x 1200 (R1.5) (SKU: TGDW501512). A critical component within our Rigid Tube range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from the Smooth Air supply chain for NZ Depot.

Technical Specifications & Features

About the Wrapped Tube (Fire stop insulation) Series

Standard freight charges will apply on all orders of wrapped tube. Rates for bulk orders by negotiation.

Understanding NZ HVAC Compliance

When selecting ventilation equipment for New Zealand homes and businesses, compliance with AS/NZS 4254 and UL 181 standards is non-negotiable. The Spiro Tube Duct Wrap 50mm 150 dia x 1200 (R1.5) is engineered to meet these rigorous safety and performance benchmarks.

Why R-Value Matters

For insulated ducting components, the R-Value (Thermal Resistance) is critical. A higher R-Value ensures that the air travelling through your system maintains its temperature—whether hot or cold—from the unit to the outlet. This reduces energy load on your heat pump or AC unit, lowering electricity bills and increasing system longevity. This product offers an R-Value of (if applicable), ensuring thermal efficiency.

Fire Safety & Materials

Safety is paramount in ceiling spaces and wall cavities. Smooth Air components utilize fire-resistant materials, often featuring a metallized Mylar outer jacket and encapsulated steel wire cores. This construction not only prevents fire spread but also maintains the structural integrity of the ducting under high pressure.

Why NZ DEPOT for HVAC?

🌱 Sustainable Supply Chain Initiative

At NZ DEPOT, we are modernizing the New Zealand trade supply chain. Traditional retail involves shipping products from a manufacturer to a central warehouse, then to a retail showroom, and finally to the customer. This “multi-hop” model adds unnecessary carbon emissions and cost.

By utilizing a Direct-to-Site 3PL model, we eliminate the “Showroom Hop.” Your order for the TGDW501512 is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This logistical efficiency reduces road miles, lowers our carbon footprint, and allows us to pass significant savings on to you.

🛡️ Warranty & Consumer Protection