If as you say the floor is only dirt covered with a vapor barrier then there would be heat loss there.
Insulation dirt floor crawl space.
Department of energy recommends r 11 3 insulation under floors in warm climates and an r 25 6 to 8 in cold climates.
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.
That doesn t mean it s a problem but it isn t needed.
However in subfreezing temperatures insulating the walls and sealing off the crawl space is most effective.
Crawl space insulation as a part of overall home air sealing and insulation helps maintain your entire home s energy efficiency without insulation heat and cool air are easily lost through the floor.
We have a cottage with a crawl space near halliburton ontario canada.
Insulation is to keep heat from moving from one place to another so if the crawl space is heated then the insulation is not needed.
You can also insulate the floor of the crawl space and the sub floor of the crawl space if you live in a cold environment.
Also there is a very large rock under the cottage which makes the crawl space uneven ranging from 2 ft to 4 ft high.
Fiberglass insulation batts or rolls are the most economical and easiest diy choice for insulating between the floor joist in a crawl space.
A crawl space under a house helps protect against certain pests but a crawl space with abundant moisture can invite problems including mold wood rot and vermin.
Remember up to 50 of the crawl space air can transfer into the living space.
In warm or dry areas insulation can be limited to just the area between the floor joists.
Insulating your crawl space depends on the general climate in the area.
It has a solid block perimeter but has a dirt floor.
You ll need to close off the venting insulate your foundation walls and.
Insulating during crawl space encapsulation.
Cold air that sweeps through a crawl space meanwhile can lead to cold floors inside the home whether or not the space is wet.
We have aluminum vents in the block foundation that slide open with a little screen.
Insulation also helps to preserve the air quality and reduce energy costs.