Boiler Flue Through Flat Roof

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.

Boiler flue through flat roof.

Most modern boilers under 15 years old will have a round flue pipe with boilers older than that often having a square flue. Is it possible to have the flue of a combi boiler going through a flat roof. Securing any joints with brackets will help to ensure your flue can withstand people banging a suitcase or accidentally knocking it without wobbling or coming loose. Depending on design installation of a flue terminal would cost around 20 40.

Flashing kits flashing plates and weather collars in the range can be made of sheet metal plastic or composite materials and. I very much doubt this would meet building regs. 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. In some cases where building types and shapes differ you may have a vertical flue which exits through the roof of your property.

Especially if it s not sealed properly. However if a vertical flue is badly fitted then yes you could have a leak on your hands. I am considering having one fitted but wanted to know whether it could be reliably done without a leak. This flat roof penetration collar is suitable for use with the vertical flue terminal for the vaillant ecotec domestic and commercial boiler range s.

Some installers advise against it becuase they say it is tricky and prone to leaking damaging the boiler in the process. You can get plume kits designed to direct the steam up and away from a horizontal flue but not to make a horizontal one into a vertical through a roof. All of our fixed boiler quotes include the flue that you require and any remedial works. 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.