Is It Necessary To Insulate Floors Above An Encapsuated Crawlspace

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.

Is it necessary to insulate floors above an encapsuated crawlspace.

There are many signs that your crawl space needs to be insulated or perhaps that the insulation needs to be replaced. 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. Insulation helps keep the outside temperature from coming into your home. Where the floor above a closed crawl space is not insulated the walls shall be insulated.

Wall insulation can be located on any combination of the exterior and interior surfaces and within the structural cavities or materials of the exterior crawl space walls. As an amazon associate i earn from qualifying purchases. A crawl space is essentially a vacant area that lies under houses between the ground and the first floor. But insulating the crawl space of your home is equally important.

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. It might be more common to think about the insulation in our walls or even in our attic. 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.