Insulating Existing Floor Overhang Description Guide describing how to upgrade a wall with a floor overhang (or cantilever) on an existing home by adding insulation (rigid insulating sheathing and/or closed-cell spray foam) and air-sealing.
Image Right – Cantilever has been properly insulated, air sealed, and cavity has been blocked. Publication Date Fri, 10/28/2011 - 12:00
Image Air seal the top, bottom, and sides of a cantilevered floor cavity and ensure that insulation is in full contact with all sides without voids. Publication Date Fri, 10/28/2011 - 12:00