Insulating Attic Crawl Space Walls
Types of insulation two inch expanded polystyrene foam board is the favored insulation for crawl space inside walls.
Insulating attic crawl space walls. With kraft faced insulation the facing is generally against the subfloor. That way plumbing pipes and hvac ducts are protected from freezing temps helping to conserve energy. Jm comforttherm kraft faced and unfaced insulation are all possible products to use for this application. In an unvented crawl space you should insulate the perimeter walls.
Use caulk or foam sealant to seal the joint between the top. Allow fiberglass batts to extend about two feet horizontally from the base of the wall to maximize. This type of insulation may be faced with silver foil with the foil facing inward toward the crawl space. As the name implies this type of insulation is applied with the use of a sprayer.
Rigid foam insulation works for any type of masonry wall. It is probably the most well known type of insulation. In a cold climate the most efficient technique is to insulate the walls of your crawl space and close it off from the elements by sealing all air leaks. Use foam sealant such as great stuff to seal the joints.
How to insulate your crawl space. The best method is to insulate crawlspace walls with rigid insulation. This is also known as fiberglass insulation.