Properly insulating your cantilever floor overhangs can save up to 15% on your heating and cooling costs each year. The best part? Northern Virginia Foam offers cost-effective insulation services tailored to everyone’s needs and budget. Insulating cantilever floor overhangs provide the perfect opportunity to increase energy efficiency both residential or commercial space. Since cantilever overhangs are typically built out from the home's facade, they offer you the ability to install insulation on the exterior of your home while keeping the interior cool and comfortable.