How To Install Rigid Foam Insulation On Exterior Concrete Walls

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How to install rigid foam insulation on exterior concrete walls.

How to insulate house walls from the outside. 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. There s two ways you can go about with foam board insulation. Polystyrene foam boards commonly called foamboard are a clean lightweight convenient way to insulate bare concrete walls.

It may look easy to go buy some packs of rigid insulation panels down at the. 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. Adding extra insulation to the exterior walls of an older home when renovating or remodeling is a great way of improving a home s walls thermal performance and reducing energy use while reducing heating bills carbon footprint and improving a building s comfort level. 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.