Silvercote Basement Wall Insulation Non Perforated R11 PSK (All Sizes)Silvercote Basement Wall Insulation allows you to insulate without the cost of full framing or finishing the interior basement walls. It can be used in new construction or for retrofit of existing homes. You can apply the product horizontally or vertically which gives you the flexibility to insulate the full wall or only a half wall if desired. Roll Size Roll Coverage 3in x 48in x 50ft 200 Sq ft 3in x 60in x 50ft 250 Sq ft Features A fiberglass