Need to seal/insulate around fireplace doors

Old 01-23-21, 07:20 PM
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Join Date: Mar 2009
Location: Northern Virginia
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Need to seal/insulate around fireplace doors

I have about a 3/8" gap around the inside perimeter of the frame of my new fireplace doors and the brick and am would like to seal it. I picked up a tube of Fire Block sealant, but would rather seal it with some sort of fiberglass seal of some sort. Would one of those fiberglass rope seals for wood stoves work? I was thinking I could get a 1/2" rope and shove it in the gap for a pressure fit.

Old 01-24-21, 07:59 AM
Join Date: Jan 2014
Location: USA near Boston, MA
Posts: 1,183
Received 94 Votes on 80 Posts
I think the rope should work fine.

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