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https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl DIY Forum >> Plumbing Questions >> Carport over a combi-boiler flue https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl?num=1286780164 Message started by AndrewR on Oct 11^th, 2010, 7:56am

Title: Carport over a combi-boiler flue
Post by AndrewR on Oct 11^th, 2010, 7:56am

I have a Worcester-Bosch condensing boiler. I woule like to put a carport over the area where the flue comes out of my house. I have looked in the manufacturer installation brochure and it gives the minimum distances for the flue's proximity to adjacent structures. It then has a small box on the diagram that says: "it is not recomended for the flue to be positioned under car ports".
The manual doesn't elaborate on the reasons.
If I built my carport as planned, the flue would be 0.5m from the edge of the carport and 0.5m below the carport roof.
I am conscious that the heat from the exiting steam may discolour the acrylic sheeting but I doubt that this would happen.
Can anyone explain:
1. why might the manufacturers suggest this?
2. Is it a legal /mandatory requirement that I must not build my carport over this flue or is it just (as it says) a "recommendation".
3. Might it affect the performance of the boiler?
Thank you for any advice.

Title: Re: Carport over a combi-boiler flue
Post by thescruff on Oct 11^th, 2010, 12:10pm

MI's take presidence over all else, It will be very silly to take the Gung ho approach and ignore them.

You may find the next time you get the boiler serviced it comes with a warning notice.

Get an RGI in to divert the flue