Oatey 1 1 2 in to 3 in x 15 in plastic vent and pipe flashing.
Soil pipe through roof.
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.
After climbing into the loft to install a tv ariel i ve noticed that the soil stack from the ensuite vents through the tiled roof but the main bathroom pipe stops about 2 feet above the joists insulation in the loft space with some sort of polystyrene cap on it.
The reason for this is so than there are no foul or gas entering the house so that there are no illnesses occurring.
Insulate your roof space as normal apart from where the pipe runs and only insulate under the pipe leaving your air gap above the pipe and then make up the insulation under the ceiling in the extension with 50mm chappers 4 mar 2016 6.
What is the minimum requirement for a soil vent above the window or roof.
I guess that the flashing around the pipe has deteriated and it needs to be replaced by something like this and then sealed with a waterproof sealant.
The minimum a soil pipe should be above an opening area is 100mm.
The soil pipe protrudes through the pitched roof i would guess approximately less than half a metre from the gutter.
For pricing and availability.
Aluminum base vent pipe flashing with adjustable rubber collar in black.
Position the vent pipe up to the bottom of the roof.
With the pipe in a vertical position trace around the pipe using a pencil.
The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof.
Floplast soil pipe fittings.
As one would expect the soil pipe stack serves both my property and the one below.
Go into your attic.
Gibraltar building products 1 4 in.