How to seal a fireplace. The fireplace surround may need to be sealed if you find that heat and soot are escaping from gaps between the fireplace and the bricks. Brick fireplaces may require sealing to keep moisture absorption to a minimum. Save energy by sealing off an unused fireplace with insulation.
In addition they do not seal the fireplace at the bottom damper leaving the chimney with all of its odors toxins and pollutants exposed to the home. It can create quite a mess if this happens. If you seal the fireplace surround properly you do not have to worry about the soot staining your brick.
I think it is a good idea to place a small label on the fireplace noting that it is sealed. When surveying the interior of the fireplace i noticed the installation bracket for the glass doors on the front of the fireplace stuck out inside the fireplace. Save fireplace door seal to get e mail alerts and updates on your ebay feed.
The rigid foam i used to seal the fireplace was an inch and a half thick and i was able to buy it in 4 x 2 pieces for 415 each. Excessive moisture on bricks may damage the stone and result in a crumbling fireplace.