Insulating the basement ceiling will keep most of the heat upstairs in the living space.
Best insulation for basement ceiling joists.
Then install rigid foam board insulation with all the seams taped like this illustration credit to building science.
This type of insulation is recommended for unfinished ceilings and has the advantages of being easy to install and flexible.
As you complete the installation there will be a reduction of noise within rooms and external areas.
Less than the height of the rim joist.
Hold the batts in place by stapling their paper faced vapor retarders to the lower edges of the joists.
We chose 2 in thick r 10 extruded polystyrene don t use expanded polystyrene which is a less effective air and moisture barrier.
Rigid foam is the best insulation for rim joists.
Fiberglass is a type of insulation that originates from tiny glass fibers.
Cut the foam into 8 ft long strips 1 8 in.
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.
Moreover you can install it to insulate walls as well as crawl the spaces.
First you ll have to maneuver batts of insulation around the clutter of wires pipes and cross bracing in a typical basement ceiling.
To answer an implied question how would you get the floor warm if you insulated the basement ceiling.