Shielding wooden beam


HI,
I've installed a woodburner and the stove pipe runs very close to a wooden beam forming the mantlepiece over the stove. The installer told me I should cover the back of this beam with 'fireboard' and that I could get some from B & Q.
Needless to say the've never heard of it. I guess it should be the modern equivalent of asbestos board ?
I've asked the local builders merchant who was as much use as a chocolate fireguard.
Can anyone give me a name of the board I need & a possible thickness I don't have much room to play with.I'm hoping to get something <10mm thick ?
Many Thanks
Stu.
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Even if you put in some protection like this it won't stop the wood getting hot after a short period of time - it merely delays it. Fireboards only stop flames passing, not heat. I would be happier if the stovepipe was rerouted in some way.
Rob Graham
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Stuart wrote:

A touch of the old bull perhaps? Or did he say fibreboard?

Never heard of the stuff!

You really need to get the mantlepiece away from the stove pipe - or get a twin wall flue in the section that runs closest to it.
Oh, and hang a bit of garlic on the front and back door frames to keep the local BCO away and fit a smoke detector over the mantlepiece along with a sprinkler system!
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