Easy Insulation Floor Insulation Covered Back Porch

If you can crawl under your porch insulate from below by nailing plywood boards to cover any openings.

Easy insulation floor insulation covered back porch.

What we ve done when we ve built a 3 season room is always used 2x12 s for the floor put cleats between joists near the bottom dropped in plywood glued the edges of both the plywood and the cleats to air seal then install the thickest fiberglass insulation possible. We are in the process of building a 4 season porch from the original open porch that came with our 1917 home in ne ohio. Do it yourself video on how to insulate the exposed floor over an unheated area using roxul comfortbatt r28 canada or r30 usa and roxul comfortboard is i. The friction between the sides of the batting and the studs will hold the insulation in place.

Insulating the floor is an important step in porch conversion. Crawl under your porch and install strips of batting between the floor joists the same way this time with the facing side upward. A contractor i hired to insulate under my 3 season porch floor has used regular pink insulation r 27 but it has fallen out four times so far now half of it is on the ground. If it is above grade winter drafts will make the room too cold to use no matter how well the walls and ceiling are insulated.

Large foam insulation sheets can be nailed directly against the floor above or held in place by chicken wire or other metal elements with the facing against the underfloor. The problem is probably undersized joists and a lack of air sealing. The job of insulating the floor is easier if there is room to crawl underneath but if there isn t it can still be done. Screw sheets of plywood to the underside of the joists to keep the insulation clean and protect it from wildlife.

Sometime in the 1940s the previous owners had crudely enclosed this second floor porch with nine simple casement windows that open inward but there is no insulation nor any hvac in the enclosed porch. Use a vapor barrier to keep your floor above free from condensation caused by the new insulated area. Cheap ways to insulate wood floors. This can be stapled up between the floor joists.

Wooden floors may look beautiful but they can be very cold in the warmer months of the year as well as during winter. Roll out the fiberglass insulation sheets between the joists facing side up making sure it is snugly in place.