Hello, getting ready to do my install and looking into blocking my damper with sheet metal. I see it should also be insulated. I'll have some insulation that wraps around my liner left over, will that do the job for insulating my damper? Thanks for any suggestions.
Insulating and sealing damper
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NateH
Member
Either one is fine. We always use ceramic wool because it is what we have but mineral wool like roxul would work fine as well
Bootstrap
Burning Hunk
redktmrider
Burning Hunk
Bought mine at Lowes. I insulated behind the insert also. It made a significant difference.
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Bootstrap
Burning Hunk
How hot can that stuff get? I am considering using that stuff up above my stove to block off the fireplace damper as some recommend. But I am 100% sure that no one at home depot will have any idea what I am talking about and I am sure someone will try to send me to the gardening department....
Bootstrap
Burning Hunk
So if I were to go to Lowes or Home Depot, where to go to find it? I'm telling you the Depot and Lowe's employees around here are complete bone heads and will have no idea what I am talking about.
redktmrider
Burning Hunk
It has a melting point of 2150F and is listed as non-combustible on the Roxul Comfortbatt spec sheet.
I'd look for it in the insulation dept. alongside the batts of fiberglass insulation.
redktmrider
Burning Hunk
Usually in the insulation department. If you have smart phone, just pull it up online, enter your Lowes location, and it will ( depending on the store) tell you where to look for it.
redktmrider
Burning Hunk
Bootstrap
Burning Hunk
Sounds good. I think I'll do that then. That stuff look easy to shove up in there. Being fire resistant up to 2150 degrees means it can touch the pipe. And if I feel so inclined I can pull it out and take a look see at the chimney flue (with mirrors) to see if there really is moisture or if that's a bunch of BS.
As with most insulations, wear a mask when working with Roxul to keep from breathing in the fibers and dust.
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