DIY Doctor

Leaking Chimney Breast into Hearth Issue

Postby valleygooner » Tue Feb 02, 2021 5:55 pm

Hi everyone

I have water coming down the back of my chimney and into the hearth. We have a wood burner attached to the flexi liner that goes up onto the roof via a twin wall stack. Over the last 12 months we have had three different roofers/chimney companies take a look and all say they can find no fault with the roof. The steel stack appears to be well sealed. In the loft everything is dry including the twin wall pipe that we can see. The wood burner and flue liner are roughly 16 years old. Anyone have any ideas or tips please? Many thanks.
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Postby stoneyboy » Wed Feb 03, 2021 10:19 pm

Hi valleygooner
You would appear to be saying that you have a flexible flue liner inside a twin wall flue taken out through the roof.
If this is the case you need to check the sealing in the roof and the seal between the liner and the flue. You also need to check the flue termination.
Regards S
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Postby valleygooner » Thu Feb 04, 2021 8:51 am

Hi stoneyboy
thanks for your reply. That is helpful. The other thing to mention is that there is no water in the wood burner itself, so maybe water not coming down inside the flue liner? Cheers.
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Postby stoneyboy » Thu Feb 04, 2021 9:32 pm

Hi valleygooner
If you do have a twin wall flue with a flue liner inside it water may well run down the inner face of the flue so would not appear in your wood burner.
Regards S
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Postby valleygooner » Fri Feb 05, 2021 8:27 am

Thanks @stoneyboy. Much appreciate your input.
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