How To Attach Batt Insulation To Concrete Wall

Because it isolates the concrete.

How to attach batt insulation to concrete wall.

How to insulate an exterior face of a concrete block 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. Three basic types of thermal insulation are available rigid board batt or blanket and spray on. 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. Interior installation using the rigid board batt or spray on methods is the least expensive method. 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. Attach the blanket to the wall using furring strips or a hilti type gun to drive fasteners into the concrete or cinder blocks.

Closed cell spray polyurethane foam or either xps eps or polyisocyanurate rigid foam. If you wish to insulate without an airspace you can apply rigid foam closed cell directly to the concrete. The word insulation typically brings to mind lofty batts of spun fiberglass rigid foam panels and blown in cellulose. R max is a good product for this and it also has a radaint barrier to reflect heat back into the room.

Concrete walls can be insulated on the interior or exterior face or by embedding the material within the 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. Use concrete adhesive to secure rigid foam to the wall as needed if friction isn t sufficient. 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.

Cut lengths of insulation a few inches longer than the height of the walls. Of length for a tighter fit. We re using unfaced batts that are sized to friction fit into standard stud spaces either 16 in. Leave an extra 1 2 in.

Fit adjacent blankets tightly together. See how to insulate a basement wall and tyvek or tar paper question. 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. This drywall is required by most building codes to.