Insulating Fireplace with Glass Door & Vents

Old 01-16-11, 09:14 PM
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Insulating Fireplace with Glass Door & Vents

Hello, I have a fireplace in my basement that has a glass door that seals correctly but these vents above and below the glass door that let in crazy amounts of cold. What is the best way to seal it and keep the cold from coming in as well? Plus something that can be removed without damaging the fireplace when spring and summer rolls in. Please help. THank you.
Old 01-17-11, 12:30 AM
Join Date: Oct 2008
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If your chimney goes up an outside wall, you might want to check in warmer weather to see if you can improve the seal between the house and chimney on the outside. Check your local codes, but numbers like a 1" clearance (gap) on the outside and 2" clearance for inside chimneys is what I remember. The gap has to be there, but it can be air sealed with a fire rated material.

If those vents are metal, how about a piece of that magnetic rubber sheeting, like the advertising signs on the side of cars.


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