If you want to seal your fireplace off for good, the easiest way to do so in a hurry is to cut out a foam insulation plug, place it at the bottom of your chimney, and caulk or weatherstrip it in place.

How do you insulate an unused chimney?

Insulating chimneys from the outside:



Cover the entire stack of bricks with a layer of rigid insulation (rockwool or expanded polystyrene) and half inch-thick plywood, which can then be covered to match the rest of the house.

How do you insulate a fireplace?





How to Insulate and Air Seal the Wall behind Your Fireplace

  1. Insulate the exterior wall enclosing the fireplace and chimney to the top of the second floor ceiling with rigid foam exterior sheathing taped at the seams and sealed at the edges. …
  2. Install fire stop blocking.

Can you cover up an unused fireplace?

If you don’t like to keep any type of furniture like your bookshelf, sofa, or tELEVISION stand, you can simply conceal your fireplace opening by putting on a decorative screen.

Should fireplace be insulated?

A fireplace will warm a space when in use but may cause heat loss if not properly insulated. A fireplace that is not adequately insulated will allow drafts of cool, outdoor air into the home. Further, a poorly insulated fireplace will be less efficient at adding supplemental heat to your home.

How do you seal a drafty fireplace?

Quote from the video:
Quote from Youtube video: So i don't actually know if it works or not but through the winter it was very cold all around here the tile in front of the fireplace was really cold. And you can actually feel like a breeze blowing

How do I cover my fireplace for the winter?





A fireplace draft stopper is an efficient way to prevent this from happening. Whether you use a chimney balloon, a fabric draft blocker, glass doors or even create your own decorative cover, a fireplace draft stopper will keep your home warm while lowering energy costs.