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Sealing a closure plate (above a wood burner) to surrounding brickwork

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noth...@aolbin.com

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Aug 13, 2018, 11:09:49 AM8/13/18
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When we fitted a wood burner to an old chimney we had a liner fitted but
the closure plate has got gaps around the edge because of uneven
brickwork, so small amounts of crud keep appearing on top of the stove.
Some of the gas are too wide for HT silicone, so what's an acceptable
way to seal them? Fire rated foam, perhaps?

Jim K

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Aug 13, 2018, 11:13:22 AM8/13/18
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noth...@aolbin.com Wrote in message:
Fire cement - e.g. Kos
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Jim K


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noth...@aolbin.com

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Aug 13, 2018, 11:55:19 AM8/13/18
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On 13/08/2018 16:13, Jim K wrote:
> noth...@aolbin.com Wrote in message:
>> When we fitted a wood burner to an old chimney we had a liner fitted but
>> the closure plate has got gaps around the edge because of uneven
>> brickwork, so small amounts of crud keep appearing on top of the stove.
>> Some of the gas are too wide for HT silicone, so what's an acceptable
>> way to seal them? Fire rated foam, perhaps?
>>
>
> Fire cement - e.g. Kos
>
I haven't tried that, but discounted it because of the need to bridge
gaps. I suppose I could try and get some expanded metal into the gaps to
support the cement ...

Jim K

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Aug 13, 2018, 1:58:10 PM8/13/18
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noth...@aolbin.com Wrote in message:
Squish it in with your thumb, it's like putty...

newshound

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Aug 13, 2018, 3:59:40 PM8/13/18
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Corrrect.

Tricky Dicky

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Aug 13, 2018, 6:07:15 PM8/13/18
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Fire cement worked for me

Richard

Brian Gaff

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Aug 14, 2018, 4:26:01 AM8/14/18
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There used to be a kind of putty stuff for this job. A bit messy but
effective. I guess they make something similar these days.
Brian

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Dave Liquorice

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Aug 14, 2018, 4:44:49 AM8/14/18
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On Mon, 13 Aug 2018 16:09:44 +0100, noth...@aolbin.com wrote:

> Some of the gas are too wide for HT silicone, so what's an acceptable
> way to seal them? Fire rated foam, perhaps?

Think I'd stuff suitable dia fire rope into the gap. That will allow
the
closure plate to expand/contract due to the temperature variations.

Fire cement may crack and fall out and doesn't it need to get fairly
hot (as in flue hot) to cure properly?

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Cheers
Dave.



newshound

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Aug 14, 2018, 9:13:34 AM8/14/18
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On 13/08/2018 23:07, Tricky Dicky wrote:
> Fire cement worked for me
>
> Richard
>

But the OP evidently has some wide gaps

Jim K

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Aug 14, 2018, 10:32:32 AM8/14/18
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newshound <news...@stevejqr.plus.com> Wrote in message:
FSV of "wide"...
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