Boiler Flue Through Conservatory Roof

Sometimes called an insulated flue a twin wall flue is a flue pipe surrounded by a layer of insulation surrounded by another pipe.

Boiler flue through conservatory 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. Condensing boilers are highly efficient units that have 2 internal heat exchangers meaning that less heat is lost through the flue. As i read it. However to comply with the approved document j of the building regulations the flue still needs to rise a total height of at least 4 5m unless the appliance manufacturer specifies less.

The flue won t get hot since even the inside compartment is only designed to take warm and wet gas and is itself made of plastic so there should be no problem with going through the polycarb roof. You may need an experienced roofing contractor. It will not got as hot as a single wall flue and is therefore safe for. Our gas boiler flue on the kitchen wall needs to be extended on the outside to go up through a planned conservatory roof.

Firstly you ll want to know your chosen engineer is fully competent and experienced at fitting flues through roofs. Gas safe eng tells me the parts are available and can be done fairly straightforward by working in sync with the conservatory installer. If the flue terminal is more than 2 3m away from the taller main house then the flue does not need to rise above the main roof. 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.

As to how it can be directed oot the roof the installation instructions for the make and model of boiler will show all the flue pipe permutations and almost certainly this will include examples to show an upwards diverting elbow with a suitable flue terminal as if the flue were coming through a normal roof.