30" x 60" x 13" The Attic Tent is a specially engineered, patented insulator designed to create an air transfer barrier between your attic and living areas. Main Materials: Nylon Fabric and Polyurethane Form + Flame Retardant AT-5 Dimensions - 30" Wide - 60" Length - 13" height clearance with a 2" mounting Flange Used for fold down attic stairs, scuttle Holes and Knee wall doors