FAKRO 66804 Insulated Attic Ladder for 25-Inch x 54-Inch Rough Openings Easy-to-install insulated wooden attic ladder for 25 x 54-inch rough openings Adjustable to fit ceiling heights between 7 feet, 10 inches and 10 feet, 1 inch Insulated wooden door frame helps to reduce energy cost (R-Value of 5.9) Well balanced door opens and closes easily with no sudden movements Maximum user weight of 300 pounds; backed by 2-year warranty