How To Attach Batt Insulation To Concrete Wall

Rigid foam can be adhered to a poured concrete or concrete block wall with foam compatible adhesive or with special plastic fasteners such as hilti idps or rodenhouse plasti grip pmfs.

How to attach batt insulation to concrete wall.

Any of the following insulation materials are acceptable for this purpose. Concrete walls can be insulated on the interior or exterior face or by embedding the material within the wall. Measure the height of the wall and cut insulation batts to fit snugly between the top and bottom plates horizontal members to which studs are attached. Cut lengths of insulation a few inches longer than the height of the walls.

The word insulation typically brings to mind lofty batts of spun fiberglass rigid foam panels and blown in cellulose. Fit adjacent blankets tightly together. Of length for a tighter fit. Usuallly fiberglass is not recommended in basements because it is so air permeable but paired with xps foam sheet at wall would be a hybrid solution.

See how to insulate a basement wall and tyvek or tar paper question. Add a layer of 1 2 inch drywall over any rigid foam insulation. We re using unfaced batts that are sized to friction fit into standard stud spaces either 16 in. Use concrete adhesive to secure rigid foam to the wall as needed if friction isn t sufficient.

How to insulate an exterior face of a concrete block wall. Leave an extra 1 2 in. The best way to insulate the interior side of a basement wall is with foam insulation that is adhered to or sprayed directly on the concrete. If you are using high density r 15 unfaced batts or special unfaced insulation for masonry walls press it into place left and friction will hold it.

Just be sure to use unfaced batts no kraft paper covering. Three basic types of thermal insulation are available rigid board batt or blanket and spray on. R max is a good product for this and it also has a radaint barrier to reflect heat back into the room. If you seal and tape all seams with ac aluminum duct tape this will also form a vapor barrier.

Because it isolates the concrete. This drywall is required by most building codes to. Closed cell spray polyurethane foam or either xps eps or polyisocyanurate rigid foam. Cut batts slightly long cut batts to length by setting the top of the batt into the space and cutting against the bottom plate with a sharp utility knife.