Styro Industries 4' x 8' x 2" Thicket Stucco Foundation Insulation Panel Lawn Mower Parts Item Weight 140 Frame Hardware Finish Item Weight:.625 Item Weight 140 Frame Hardware Finish Family Stainless Steel Style Modern Frame Type Framed Product Weight (lb A: It is not intended for greenhouse use per the specifications Specification Details Insulation Type Foam Board Insulation (XPS) Material Extruded Polystyrene (XPS) with acrylic based stucco coating Insulation R Value R 10 Product Thickness 2 in Product Width 48 in Product Length 2 ft (note: Home Depot listing shows 2 ft x 4 ft panel) Coverage Area 8 sq ft Compatible Install Surface Cement and existing insulation surfaces