Insulating Attic Crawl Space Walls

Fill the ends of joist bays with rectangles cut from rigid board insulation.

Insulating attic crawl space walls.

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. Concrete block brick and even stone. This is also known as fiberglass insulation. Hang fiberglass or foam insulation materials starting at the top of your crawl space walls.

Types of insulation two inch expanded polystyrene foam board is the favored insulation for crawl space inside walls. Use foam sealant such as great stuff to seal the joints. 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.

Jm comforttherm kraft faced and unfaced insulation are all possible products to use for this application. How to insulate your crawl space. The best method is to insulate crawlspace walls with rigid insulation. It is probably the most well known type of insulation.

In an unvented crawl space you should insulate the perimeter walls. With kraft faced insulation the facing is generally against the subfloor. This type of insulation may be faced with silver foil with the foil facing inward toward the crawl space.