Insulating Attic Crawl Space Walls

How to insulate your crawl space.

Insulating attic crawl space walls.

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. Hang fiberglass or foam insulation materials starting at the top of your crawl space walls. This type of insulation may be faced with silver foil with the foil facing inward toward the crawl space.

Use foam sealant such as great stuff to seal the joints. 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. Fill the ends of joist bays with rectangles cut from rigid board insulation.

Allow fiberglass batts to extend about two feet horizontally from the base of the wall to maximize. That way plumbing pipes and hvac ducts are protected from freezing temps helping to conserve energy. With kraft faced insulation the facing is generally against the subfloor. Jm comforttherm kraft faced and unfaced insulation are all possible products to use for this application.

The best method is to insulate crawlspace walls with rigid insulation. In an unvented crawl space you should insulate the perimeter walls. It is probably the most well known type of insulation.