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Walls & Openings - Wall Structure

The guides on this page present information about wall structures, such as advanced framing techniques, double walls, ICFs, and SIPs. Guides are presented in alphabetical order. Use the filters to the right of the page to further focus your search based on construction type or keywords.


Solution Center Guides


Guide describing how to upgrade a wall with a floor overhang (or cantilever) on an existing home by adding rigid insulating sheating and or closed-cell spray foam insulation and air sealing.

Guide describing how to apply an air control layer directly over existing wall sheathing, and cover by two layers of insulating sheathing held in place by vertical furring strips.

Guide describing how to install spray foam on the exterior of the existing home after framing over the existing siding.

Guide describing how to insulate the walls of an existing home with spray foam insulation.