Rigid Foam Insulation Exterior Walls

Eps is used under roofing over foundation walls and beneath siding.

Rigid foam insulation exterior walls.

Building america ba has been advocating the use of rigid foam sheathing insulation for years as a means to improve the home s thermal envelope by increasing r value while minimizing thermal bridging in wood framed walls. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation. How to insulate house walls from the outside. It may look easy to go buy some packs of rigid insulation panels down at the.

Foamular extruded polystyrene xps rigid foam insulation offers foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products in a wide choice of sizes thicknesses and edges with a lifetime limited warranty for the life of the home or building. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. Rigid foam sheathing is a form of insulation continuous insulation to be exact that s applied to the exterior of the building. 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.

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. 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. The products are easy to handle score cut and install and no special tools are needed. Excerpted from a full page article on installing exterior foam insulation at.

Not only does it provide high r values but foam board insulation is also easy to install lightweight and can be used in any room of your home. Rigid insulation sheathing is made of a rigid plastic foam that is typically sold in 4 8 or 4. R 3 graphite radiant barrier wall insulation kit 9 sheets kit. Research by several teams has provided the critical scientific basis for acceptance of foam sheathing by the codes community and resulted in best practices for.

In other words rigid foam can be applied on walls foundations and roofs and works great for both retrofits and new constructions. Owens corning foamular 150 1 in.