Is It Necessary To Insulate Floors Above An Encapsuated Crawlspace

If the crawl space is ventilated which is ideal because it aids in the elimination of moisture then fiberglass insulation can be easily installed under the subfloor between the floor joists.

Is it necessary to insulate floors above an encapsuated crawlspace.

As an amazon associate i earn from qualifying purchases. Wall insulation systems require that the band joist area of the floor frame be. Insulation helps keep the outside temperature from coming into your home. In those days common building practice was to insulate the floor above the crawl space and to leave the crawl space s wall vents open so any moisture buildup would vent to the outside a.

But insulating the crawl space of your home is equally important. There are many signs that your crawl space needs to be insulated or perhaps that the insulation needs to be replaced. The green building specialist recommended we put rock wool insulation in the floor joists above our encapsulated crawlspace based on his computer modeling of our home. Where the floor above a closed crawl space is not insulated the walls shall be insulated.

Our contractor said that s unheard of and with an encapsulated crawlspace we should use no insulation. A crawl space is essentially a vacant area that lies under houses between the ground and the first floor. It is important to secure insulation and cover it with a vapor barrier in order to prevent moisture and the mold that often follows close behind.