Framing around Chimney boot

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mbrini
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Framing around Chimney boot

Post by mbrini » Sat Jan 11, 2020 10:25 am

Hi, is my framing too close to the chimney boot? was wondering if i leave couple of inches space betwen bottom/top tracks and the chimney boot to insulate around it
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Shannon
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Re: Framing around Chimney boot

Post by Shannon » Sat Jan 11, 2020 4:32 pm

Depends on the specs for the boot? I would suspect the the framing is not because it is metal but i'm not so sure about the rigid foam?
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mbrini
Posts: 16
Joined: Sun Feb 25, 2018 9:33 am
Location: Canada

Re: Framing around Chimney boot

Post by mbrini » Sat Jan 11, 2020 5:03 pm

this chimney will not be used. (I kept it for future use if i change my mind and add a fireplace)
i used rigid foam as a first layer and will fill it with rockwool. Since the chimney is stainless steel and passing through foundation wall, maybe a thermal bridge is needed ?

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A. Spruce
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Re: Framing around Chimney boot

Post by A. Spruce » Sat Jan 11, 2020 8:31 pm

I agree. That boot should be a zero heat transfer kind of thing, but defer to the manufacturer specs, even if you have to find a similar unit online to go by. Also, it will depend on the fireplace unit you install, some of the super high efficient ones do not put any heat out the chimney, which means this boot would be just fine, but if that is not the case, then the boot will be taking on significant heat that will dissipate into the surrounding materials. Not sure what the melting point of rigid foam is, but the average chimney flue can easily surpass it.
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Shannon
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Re: Framing around Chimney boot

Post by Shannon » Sun Jan 12, 2020 8:01 am

Ahh I missed the fact that it was a boot for chimney to pass through. I thought it was the chimney .
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