FAKRO LWF 66832 Fire Resistant Attic Ladder for 30-Inch x 54-Inch Rough Openings Easy-to-install fire-resistant and insulated wooden attic ladder for 30 x 54-inch rough openings Fire resistant for up to 30 minutes; also prevents heat loss with R-Value 5.2 insulation Adjustable to fit ceiling heights between 7 feet, 11 Inch and 10 feet, 1 inch Well balanced door opens and closes easily with no sudden movements Maximum user weight of 300 pounds; backed by 2-year warranty