Will adding fiberglass insulation between the floor joists in my crawl space improve heat retention above?
- robertoLv 61 month ago
yes,,oh yes,while you are at it,lay half in plywood,,mark a spot and do a circle cut to acommodate untility water,and electrical conduit,,another one for waste ,,if there is stand up room
vents at both attic ends allows the house frame and roof to breathe, and dispel moisture
- Common SenseLv 71 month ago
Absolutely YES. I did it last year and am kicking myself in the butt for not doing it sooner. My whole house is so much warmer. Last year I used about 200 gallons less in fuel heating oil.
- boy boyLv 71 month ago
if you want to do it really well ..fit 100mm celotex
- GTBLv 71 month ago
it will help substantially
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- Spock (rhp)Lv 71 month ago
well, yes. some. but adding the same amount in the attic will probably have a bigger effect -- heated air rises, you know
- Bubba GubbinsLv 71 month ago
- EdwenaLv 71 month ago
Yes, but it will not be as much as an exterior wall. Any open space in a ceiling between floors has ingress of outside air has to be heat or cooled. So plugging the void up with insulation reduces that volume. Same is true for your interior walls. They leak air through the outlets. So insulation will plug up those holes. An ultimate insulation job is every space in the wood frame. And while you are doing it, make your outside walls using 2x6 so you can use insulation with more r value. The additional cost of for wood is only a couple hundred of dollars. Believe it or not, there are not that many studs in the exterior walls of a house.