Insulating Attic Crawl Space Walls

How to insulate your crawl space.

Insulating attic crawl space walls.

Allow fiberglass batts to extend about two feet horizontally from the base of the wall to maximize. Types of insulation two inch expanded polystyrene foam board is the favored insulation for crawl space inside walls. In an unvented crawl space you should insulate the perimeter walls. Use caulk or foam sealant to seal the joint between the top.

Concrete block brick and even stone. 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. With kraft faced insulation the facing is generally against the subfloor.

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. Jm comforttherm kraft faced and unfaced insulation are all possible products to use for this application. That way plumbing pipes and hvac ducts are protected from freezing temps helping to conserve energy.

It is probably the most well known type of insulation. This type of insulation may be faced with silver foil with the foil facing inward toward the crawl space. This is also known as fiberglass insulation.