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Wall Sleeve - Ø 125

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The Ø 125mm Wall Sleeve from National Flues is an essential accessory for protecting your chimney flue system as it passes through an exterior wall. It ensures the gap between the flue and the sleeve is safely insulated, typically using Rockwool. When dealing with a 45-degree wall angle, the sleeve can be tapered for a snug fit using basic cutting tools.

£29.99 incl VAT

  •   Description  
  •   Product Details  

The Wall Sleeve - Ø 125mm is designed to protect your chimney system when passing through an exterior wall. Primarily used with solid fuel and gas/oil appliances such as wood stoves, gas-coal effect fires, and oil and gas boilers, this sleeve ensures durability and safety. Constructed with an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both at 0.4mm thick, it offers robust protection. The insulation is made from compressed Rockwool, offering densities of 200kg/m3 TWPro and 128Kg/m3. All parts are fully welded, providing a seamless and sturdy finish. The distance to combustibles is 50mm for TWPro and 60mm on KC. TWPro is HETAS Approved and CE marked, ensuring compliance with industry standards. Installation is straightforward, and the sleeve can be tapered for a flush fit when passing through walls at a 45-degree angle, easily cut using a grinder or hacksaw.

  • SKU: 15-125-098
  • Item: Wall Sleeve - u00d8 125
  • Designation:: EN1856-1 T600 N1 W V2 L50040 TWPro G50/ KC G60
  • System:: TWPro / KC
  • Inner Material:: 316L Stainless Steel - 0.40mm thick
  • Outer Material:: 304 Stainless Steel - 0.40mm thick
  • Fuels:: Wood, Oil, Gas, Low sulpher coal
  • Approvals:: HETAS / CE
  • Distance to Combustibles:: TWPro 50mm / KC 60mm

What is it for?

The Wall Sleeve - Ø 125mm protects the chimney flue system as it passes through an exterior wall, ensuring safe installation.

Brand Summary

National Flues is a leading supplier of fireplaces and flues across the UK, offering competitive prices and reliable delivery to both retail and trade customers. We pride ourselves on exceptional service and quality products.

National Flues Verdict

The Wall Sleeve - Ø 125mm is an essential component for any flue system, ensuring safe and efficient passage through walls. At National Flues, we are rarely beaten on price and offer reliable delivery nationwide to both retail and trade customers.

Our Rating
9.7/10

FAQs

It is suitable for solid fuel and gas/oil appliances, including wood stoves, gas-coal effect fires, and oil and gas boilers.

The Wall Sleeve features an outer skin made from 304 grade stainless steel and an inner skin from 316 grade stainless steel, both 0.4mm thick.

The insulation is made from compressed Rockwool, with densities of 200kg/m3 TWPro and 128Kg/m3.

Installation involves securing TWPro Twin Wall Insulated Chimney parts with a Locking Band and ensuring the required distance from combustibles. The sleeve can be cut to fit using a grinder or hacksaw if passing through walls at a 45-degree angle.

Yes, TWPro is HETAS Approved and CE marked, complying with industry standards.

The distance to combustibles is 50mm for TWPro and 60mm for KC.

Yes, if the flue system goes through the wall at a 45-degree angle, the sleeve needs to be taper-cut to fit flush in the wall.