How To Insulate Attic Crawl Space Door
Two inch expanded polystyrene foam board is the favored insulation for crawl space inside walls.
How to insulate attic crawl space door. You can add insulation and weather stripping to the door you have. Rigid foam insulation works for any type of masonry wall. To insulate an attic hatch you need weather stripping rigid foam board and fiberglass batt insulation. Insulating a crawlspace door.
The access door is in our closet which is fine except the fact that the crawl space has very little insulation and neither does the door. Short of ripping the door out there is a simple fix you can do to increase the r value. You can purchase pre cut attic door insulation material at your local home improvement store or online. On the door pictured below i added a 1 foil insulation board to the back of this door adding an r value of 6 5.
After you have replaced the weatherstripping you ll want to cut a piece of fiberglass or rigid foam board to size and nail or glue it on the back of the hatch door. This effectively insulates the crawl space itself as opposed to insulating the home from the air in the crawl space. Here s one good method. Concrete block brick and even stone.
As you can see using the flame test the door is a little crooked which leaves a gap at the top and the bottom which allows cold air to flow into our closet. Add fiberglass or rigid foam board to back of hatch. Staple long pieces of duct tape sticky side up onto the attic scuttle door. Cut out two pieces of rigid foam board that are 1 4 inch smaller than the hatch so homeowners can slide the attic access panel open easily.
Foam board insulation is attached directly to the exterior structure walls of the crawlspace. Add foam insulation tape around the edges to seal the perimeter where it rests in the access hole.