Insulating Attic Crawl Space Walls

Hang fiberglass or foam insulation materials starting at the top of your crawl space walls.

Insulating attic crawl space walls.

Use foam sealant such as great stuff to seal the joints. With kraft faced insulation the facing is generally against the subfloor. Rigid foam insulation works for any type of masonry wall. Types of insulation two inch expanded polystyrene foam board is the favored insulation for crawl space inside walls.

Use caulk or foam sealant to seal the joint between the top. This type of insulation may be faced with silver foil with the foil facing inward toward the crawl space. How to insulate your crawl space. It is probably the most well known type of insulation.

Allow fiberglass batts to extend about two feet horizontally from the base of the wall to maximize. Concrete block brick and even stone. In an unvented crawl space you should insulate the perimeter walls. That way plumbing pipes and hvac ducts are protected from freezing temps helping to conserve energy.

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. Fill the ends of joist bays with rectangles cut from rigid board insulation. This is also known as fiberglass insulation.