Best Insulation For Basement Ceiling Joists

You can insulate second floor rim joists following the same steps shown here if you happen to tear out a ceiling during remodeling.

Best insulation for basement ceiling joists.

Foam boards insulate while providing a partial vapor barrier. Around objects that store or distribute hot water and indoor air. Rigid foam is the best insulation for rim joists. Pipe insulation duct insulation and water heater jackets.

Seal rigid foam panels between foundation joists using spray foam. As you complete the installation there will be a reduction of noise within rooms and external areas. First you ll have to maneuver batts of insulation around the clutter of wires pipes and cross bracing in a typical basement ceiling. In most cases a basement with insulation installed on its exterior walls should be considered a conditioned space.

Tuck between joists above the basement or crawlspace. Moreover you can install it to insulate walls as well as crawl the spaces. Even in a house with an unconditioned basement the basement is more connected to other living spaces than to the outside which makes basement wall insulation preferable to ceiling insulation. Insulating the basement ceiling will keep most of the heat upstairs in the living space.

Hold the batts in place by stapling their paper faced vapor retarders to the lower edges of the joists. Basement ceilings can easily be insulated with unfaced fiberglass batts or blankets installed between the floor joists and held in place with wire fishing line or spring metal supports called tiger claws.