8" Draught Stabiliser consists of Twin Wall adaptor & Stabiliser.
The adaptor fits into the branch of the 90 deg Tee, It is used to control excess draft for oil/solid fuel/biomass.
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Our twin wall insulated is a simple push-fit joint system. Build your system by placing each piece on top of the previous and push together to make the join. This is the simplest system to construct on the market today.
Download Building Regulations Document J (effective October 2010) below
(Right click link, then select "save file as..")