If you're filling the joists with fiberglass batts or using rigid foam insulation, measure the width between each floor joist and cut the insulation to size using a utility blade. Secure rigid ...

Moisture will not only ruin the insulation but can lead to decay in the floor joists and subflooring. To cover the floor of a basement or crawl space, use six-mil-thick polyethylene plastic ...

Insulate the rim joist by cutting pieces of two inch rigid foam insulation to approximate size to fit between the floor joists, and spray-foam them in place against the rim joist.

My question relates to home insulation, specifically basement insulation. | We live in a 750-square-foot bungalow in old St. Vital that is 57 years old.

Depending on your skills — and if working in small, dark areas is not a problem — then yes, it’s easy to insulate the rim joists. A typical floor joist is a 2- by 10-inch joist set 16 inches ...

Another thing - you left out insulation. Granted, the temperature of the earth under a standard depth basement floor is pretty consistent - and relatively warm - year-round.

Related: How to Insulate Your Basement Rim Joists. ... This type of insulation can be used on the crawl space walls and serve as insulation between floor joists to eliminate air leaks.

QUESTION: I know the use of extruded foam insulation on interior basement walls must be covered, ... it is very difficult to cut and fit between the floor joists above this wall.

You can insulate second-floor rim joists following the same steps shown here if you happen to tear out a ceiling during remodeling. Rigid foam is the best insulation for rim joists. We chose 2-in ...