Some people say we can get foam insulation sprayed in which will harden on the dirt floor.
How to insulate a dirt floor basement.
We close down the cottage for the winter and drain the water for the season we would love to insulate and try to make it a 4 season cottage.
Cover the walls with insulation from the sill plate to the plastic covered dirt floor.
Part of the house sits on cement slab but the rooms over the dirt basement have very cold floors.
We have an old house with brick foundation and dirt basement.
Molly has given good advice.
If vents are not present in your crawl space insulate the walls instead of the joist bays.
Installing roll insulation in ceiling of basement which is under floors of living space my basement is heated but a smaller amount than up in living space usually 66 68 upstairs and 58 60 at the same time in basement my question is about the kraft paper facing i think it should face the basement because of any moisture in basement.
The result of that is an unending source of humidity as moisture in the ground evaporates into the air and can condense on cold walls and joists where mold can establish itself.
Only seal and insulate your basement in combination with concreting the basement floor to seal out moisture that rises from the dirt.
I have a 20 year old 2 story log home with a huge basement the basement has a back entry 2 levels and a what i call a shelf toward the front of the home the basement floor is dirt so i initially covered with 6 mil black plastic but have planned to cover the walls with either eps with foil backing or polyiso with foil backing minimum of 2 inches thick i live in 4 5 climate zone.
Fixing a dirt floor crawlspace.
Overlap the bottom of the walls with two inches of the sheet edges raised upward along the wall s surface.
Your best and first heat keeping are spent in insulating the attic and in sealing all the cracks that allow cold drafts into your house.
Lay the sheets in rows across the dirt floor.
We will be tearing out carpeting in those rooms and want to know how we can insulate those floors before putting down linoleum and laminate flooring.
All too often a crawlspace will have nothing but a dirt floor and probably some un insulated walls.