Boiler Flue Through Flat Roof

However if a vertical flue is badly fitted then yes you could have a leak on your hands.

Boiler flue through flat roof. 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. Some installers advise against it becuase they say it is tricky and prone to leaking damaging the boiler in the process. Flashing kits flashing plates and weather collars in the range can be made of sheet metal plastic or composite materials and. 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.

There are maximum lengths the flue can be depending on the boiler. 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. This flat roof penetration collar is suitable for use with the vertical flue terminal for the vaillant ecotec domestic and commercial boiler range s. Most modern boilers under 15 years old will have a round flue pipe with boilers older than that often having a square flue.

Especially if it s not sealed properly. This flat roof penetration collar flashing enables you to create a watertight bond for flue holes cut through a flat roof. 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. I am considering having one fitted but wanted to know whether it could be reliably done without a leak.

Is it possible to have the flue of a combi boiler going through a flat roof. I very much doubt this would meet building regs. 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. 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.