4" - 5" Increasing Adaptor Powder Coated Matt Black
Increasing adaptor from 4" vitreous/ woodstove outlet / single wall flue to 5" twin-wall flue.
Connects 4" vitreous to 5" twin-wall insulated flue
Manufactured from: stainless steel
Finish: Powder Coated
Colour : Matt Black
Same day dispatch if ordered before 2pm.
View Our Installation Guides:
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..")