Boiler Flue Through Roof

As they pass through the home up to the roof vertical flues are either boarded over or housed inside a cabinet.

Boiler flue through roof.

Condensing boilers are highly efficient units that have 2 internal heat exchangers meaning that less heat is lost through the flue. 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 this case the flue goes upwards and then out through the roof. A vertical flue looks similar to a very small chimney.

In most cases this is a pipe or a duct which is fitted to the boiler to carry exhaust gases away from your home safely. A boiler flue is a component which enables gases to escape safely. Can installing a vertical boiler flue cause leaks in your roof. So if you re considering getting your boiler flue fitted through your roof i ve outlined five of the main considerations to bear in mind.

If everyone who installed a vertical boiler flue through a roof had to fix leaks right left and centre then no one would install them at all. When a non condensing boiler is replaced with a condensing boiler the different flue arrangements could mean that the current flue has to be relocated. You may need an experienced roofing contractor. 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.

The above points only really apply for flues that exit the home horizontally through a wall but that doesn t mean there aren t any regulations if your boiler flue goes vertically out of the roof. Firstly you ll want to know your chosen engineer is fully competent and experienced at fitting flues through roofs. However if a vertical flue is badly fitted then yes you could have a leak on your hands. Think of it this way.