How To Install Rigid Foam Insulation On Concrete Walls

Installing rigid foam insulation.

How to install rigid foam insulation on concrete walls.

Polystyrene foam boards commonly called foamboard are a clean lightweight convenient way to insulate bare concrete walls. Firstly you can apply it directly onto the house s concrete walls with the help of a construction adhesive that will hold it in place. There s two ways you can go about with foam board insulation. The correct method of using rigid foam is to run continuous 4 foot by 8 foot sheets of the foam across the concrete basement wall making the rigid foam the de facto wall.

One advantage to the novice who has neither the equipment the tools nor experience to install foam insulation is that rigid foam insulation can be installed very simply. The advantages are multiple. How to glue polystyrene insulation to a concrete wall. There may be other adhesive manufacturers compatible with xps insulation.

For a list of complete adhesives for all applications from dow browse through our adhesives solutions. After that thin furring strips are installed on top of the foam to provide a firm base for the drywall screws and drywall but can you run rigid foam between the studs just as you would do with fiberglass rolls or spray foam. Now as you glue the panels to the exposed concrete blocks leave a inch gap at the floor and ceiling and cut holes in the panels to fit around outlets and wall switches. How to install rigid foam board on the walls of a crawl space.

I went with 2 rigid foam attached 2x2 furring strips 5 tapcons thru strips and foam to concrete then filleted r11 batt insulation in half to fit in the 2x2 wall cavities to get r15 total. When adding insulation to concrete applications such as foundations walls and slabs one of the more highly recommended forms is rigid foam insulation. There is almost.