Exterior Wall Foam Insulation Board

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

Exterior wall foam insulation board.

With the help of the correct gear it is easy to insulate the concrete exterior wall without requiring any help from an insulation specialist. 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 installation to ensure thermal performance as well as air barrier and drainage plane integrity. R 5 scored square edge rigid foam board insulation sheathing model 20we view the owens corning exterior insulation 18 98 18 98. It is recommended that you install foam board insulation for exterior walls of concrete foundations concrete slabs basement walls and crawl spaces.

We install the foam over a layer of house wrap using cap nails followed by taping all the seams with an approved foam insulation tape. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation. Rigid foam sheathing is a form of insulation continuous insulation to be exact that s applied to the exterior of the building. R 7 5 scored squared edge rigid foam board insulation sheathing model 88wd view the owens corning exterior insulation.

The best practice for increasing the r value in exterior walls is to protect them with insulated foam sheathing. Typically sold as sheet insulation in a standard size of 4 x 8 foam insulation panels can help reduce energy costs get a handle on moisture control and more. Exterior foam board this is probably the most common approach to exterior foam insulation. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.

Step 1 prepare the wall. Exterior wall 4 floor 1 garage 6 interior ceiling 3 interior wall 3 metal building 2 re siding 2 under slab 3 wood siding 3 more ways to filter. Shop at lowe s to find the foam sheeting you need for your next insulation project. Owens corning foamular 150 1 in.

Polyisocyanurate is another option coming in as the densest and more expensive option for foam board. 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. Continuous rigid insulation is a construction solution that provides a thermally efficient building enclosure. Some builders use 1 2 inch wood sheathing r 0 6 or asphalt impregnated sheathing usually called blackboard r 1 3 to sheath the walls.

Owens corning foamular 150 1 1 2 in.