FAKRO LMS 66865 Insulated Steel Attic Ladder for 22-Inch x 47-Inch Rough Openings Easy-to-install insulated steel attic ladder for 22 x 47-inch rough openings Adjustable to fit ceiling heights between 7 feet, 2 Inch and 8 feet, 10 Inch Insulated wooden door frame helps to reduce energy cost (R-Value of 5.2) Well balanced door opens and closes easily with no sudden movements Maximum user weight of 300 pounds; backed by 2-year warranty