External Two-Storey Installation with Vitreous Enamel from Stove




 


This installation involves a safe and efficient flue system for a wood-burning or multi-fuel stove, beginning with vitreous enamel single wall flue pipe from the appliance and transitioning to an external twin wall insulated flue system running up a two-storey building..

• The external system includes a 45° tee at the wall exit point. From the stove’s flue collar, a section of black vitreous enamel single wall flue pipe is fitted vertically to gain the necessary flue height and heat retention inside the room.

• This section is connected to a twin wall adaptor, which securely joins the single wall pipe to the insulated twin wall system.

• The flue exits through the external wall via an insulated wall sleeve, ensuring the required clearance from all combustible materials.

• On the exterior, a 45° twin wall tee with cap is installed at the wall exit. This provides access for flue cleaning and condensate drainage, while offering a smoother angle for flue gas flow compared to a standard 90° tee.

• A wall support bracket is installed directly below the 45° tee to bear the load of the external flue system and anchor it securely to the building structure. This bracket is a critical load-bearing component and ensures the system is stable and safe. From the tee, the twin wall flue continues upward along the exterior wall.

• Additional wall support brackets are installed at regular intervals (typically every 1.5 to 2 metres) along the full height.

• The flue terminates at a height that complies with Building Regulations (e.g. UK Document J), All external components are CE-marked, stainless steel twin wall/black insulated flue, suitable for high-temperature solid fuel use.
The installation provides an effective, safe, and visually clean solution for two-storey internal flue installation, with all components compliant with CE mark of approval.


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