Boiler Flue Through Flat Roof

Fire and bbu flue through flat above.

Boiler flue through flat roof.

Condensing flue through cellar roof to above ground. Do you need planning permission for a boiler flue. A flue terminal guard is used when the flue terminal is lower than 2m above the ground in an area where people could walk or when the flue comes up through a flat roof to which people have access. Flat roofs do not present an installation problem as such but in practice they can be problematic due to pooling of water on them.

Boiler flue flashing products are typically used when installing a vertical flue kit through a flat or angled roof as it will provide a weather tight seal to the roof and stop any water leaking into the flue system. Most installers or roofing contractors will use a slate piece or a metal or lead piece that fits onto a flat or pitched roof with a gromit where the flue pipe goes through. You need the vertical flue kit to go with your boiler. Making a hole in any flat roof makes me nervous.

This is normal but the most important thing to remember here is that it won t seal if you do this while it s raining especially on a flat roof. Depending on design installation of a flue terminal would cost around 20 40. Also at every joint. Flashing kits flashing plates and weather collars in the range can be made of sheet metal plastic or composite materials and.