Boiler Flue Through Flat Roof Regulations

Removal of boiler flue.

Boiler flue through flat roof regulations.

Boilers located outside have a different flue arrangement that keeps them in line with regulations. Some installers advise against it becuase they say it is tricky and prone to leaking damaging the boiler in the process. Flues must be at least 60cm away in such cases to avoid unnecessary danger. Some boilers especially oil burners usually have their flue going vertically through the roof.

Positions where this could be a nuisance should be avoided. You will probably also need a vertical flue if your boiler is being placed somewhere other than on an external wall. Is it possible to have the flue of a combi boiler going through a flat roof. What is the minimum height clearance needed for a wood burning stove pipe when exiting a flat roof.

Regulations introduced in 2103 state that a mechanical gas flued appliance must have inspection hatches fitted so we can examine the integrity of the flue way. The flue from my oil fired boiler is a vitreous enamel pipe passing through a flat roof into a lined chimney. What is the minimum chimney height up through a flat roof near two windows. I am considering having one fitted but wanted to know whether it could be reliably done without a leak.

The minimum chimney heights above roof are in the article above. How far this is will depend on the size of your boiler but is typically between 30 60cm above below or to the side of an opening. The flue for our boiler went up. The roof is in front of two 1st floor windows thanks paula moss 10 2 12.