Insulating Crawl Space With Dirt Floor. I would then insulate the floor as you described no vapour barrier just bats. If you live in a colder climate where the ground freezes during winter months installing rigid foam insulation over a dirt crawl space floor is a smart idea.
I would then insulate the floor as you described no vapour barrier just bats. Department of Energy recommends R-11 3½ insulation under floors in warm climates and an R-25 6 to 8 in cold climates. In your climate zone the investment in a layer of rigid foam on the dirt floor wont yield enough energy savings to justify the investment.
Encapsulation is a method where you completely seal the crawl space with a polythene barrier and sealing tape.
Youll need to close off the venting insulate your foundation walls and. How to insulate a crawl space One way to deal with a cold crawl space is to make it part of the warm side of your house. But those arent the only benefits. Cold air that sweeps through a crawl space meanwhile can lead to cold floors inside the home whether or not the space is wet.
