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Flat roof leak around log burner flue ...

Postby kev100 » Tue Oct 05, 2021 2:12 pm

Hello,
When the wind's in the right direction we get water leaking down on to the log burner itself.

IMG_20211005_144408.jpg


IMG_20211005_144437.jpg


IMG_20211005_144830.jpg


Anyone got any suggestions on how best to seal up the roof/area around the flue (which dies get hot)?

Cheers,

Kev
kev100
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Postby stoneyboy » Thu Oct 07, 2021 9:04 pm

Hi kev100
It looks like there is daylight getting in around the flue on your internal picture. This needs addressing and suggest you use a heat resisting silicone seal to seal the gap.
Regards S
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Postby kev100 » Sat Oct 09, 2021 2:42 pm

Hi there, and thanks for the reply. The interior photo is somewhat misleading, and the highlight it shows isn't daylight coming in through the roof. I've adjusted the photo so you can see it a bit more clearly, and put an arrow where the water drips down from.
I'm keen to hear any recommendations re the heat resistant sealant ...
Cheers,
Kev.

IMG_20211005_144830.jpg
kev100
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Postby stoneyboy » Sat Oct 09, 2021 9:42 pm

Hi kev100
It looks like you have a twin wall flue outside which becomes a single skin flue inside the building. Try using plumbers flue silicone on the lower flue joints outside. If this doesn’t solve the problem you will have to investigate the single to twin wall junction and see if this has been properly joined. There is a remote possibility that the china mans hat on the top of the flue is not big enough.
Regards S
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Postby kev100 » Wed Oct 13, 2021 8:48 am

Okay. Thanks for the tip.
Kev
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