Boiler Flue Through Flat Roof

Especially if it s not sealed properly.

Boiler flue through flat roof.

You see if you ve got a boiler in your attic and the flue goes through the roof there s a chance it could get bashed or pulled on accidentally when you re up there. I am considering having one fitted but wanted to know whether it could be reliably done without a leak. Some installers advise against it becuase they say it is tricky and prone to leaking damaging the boiler in the process. There are maximum lengths the flue can be depending on the boiler.

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. Depending on design installation of a flue terminal would cost around 20 40. This flat roof penetration collar is suitable for use with the vertical flue terminal for the vaillant ecotec domestic and commercial boiler range s. In some cases where building types and shapes differ you may have a vertical flue which exits through the roof of your property.

Flashing kits flashing plates and weather collars in the range can be made of sheet metal plastic or composite materials and. 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. Is it possible to have the flue of a combi boiler going through a flat roof. 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.

This flat roof penetration collar flashing enables you to create a watertight bond for flue holes cut through a flat roof. I very much doubt this would meet building regs. However if a vertical flue is badly fitted then yes you could have a leak on your hands. All of our fixed boiler quotes include the flue that you require and any remedial works.