The reason for this is so than there are no foul or gas entering the house so that there are no illnesses occurring.
Soil pipe through pitched roof.
Oatey 1 1 2 in to 3 in x 15 in plastic vent and pipe flashing.
Oatey retro master roof flashing 1 4 in to 4 in x 8 in epdm rubber vent and pipe flashing.
Go into your attic.
Position the vent pipe up to the bottom of the roof.
Of cast iron soil pipe and fittings and through a program of research and the cooperative effort of soil pipe manufacturers it strives to improve the industry s products achieve standardization of cast iron soil pipe.
Aluminium sheet fits neatly underneath the roof tiles to blend in with the roof profile while the rubber adaptor provides a watertight seal around the outside of the soil pipe to stop water entering the house through the soil stack.
For pricing and availability.
Floplast soil pipe fittings.
Where is the best place to fit a waste outlet to a soil vent pipe.
With the pipe in a vertical position trace around the pipe using a pencil.
What is the minimum requirement for a soil vent above the window or roof the minimum a soil pipe should be above an opening area is 100mm.
The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof.