Galvanised Steel Pipe is used for roof venting in conjunction with a mushroom cowl and appropriate flashing. It is available in 600mm lengths in diameters varying from 100mm to 250mm The crimped male end attaches to ducting and the non-crimped end attaches to a roof vent with rivets, silicone or other adhesive. 2 lengths can be joined together, inserting the male end into the female end Pipe is supplied with a clip seam that attaches together for a secure, air tight fit
