Rigid foam is the best insulation for rim joists.
Best insulation for basement ceiling joists.
Fiberglass is a type of insulation that originates from tiny glass fibers.
First you ll have to maneuver batts of insulation around the clutter of wires pipes and cross bracing in a typical basement ceiling.
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.
Seal rigid foam panels between foundation joists using spray foam.
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.
Pipe insulation duct insulation and water heater jackets.
Hold the batts in place by stapling their paper faced vapor retarders to the lower edges of the joists.
Moreover you can install it to insulate walls as well as crawl the spaces.
In most cases a basement with insulation installed on its exterior walls should be considered a conditioned space.
Insulating the basement ceiling will keep most of the heat upstairs in the living space.
Foam boards insulate while providing a partial vapor barrier.
As you complete the installation there will be a reduction of noise within rooms and external areas.
The 7 best insulation for basement ceiling 1.
Tuck between joists above the basement or crawlspace.