Step up to century’s premium series of folding attic stairways. The affordably priced upgrade to the Windsor series, this sturdy model features wider stiles, treads and rough openings and is designed for heavier residential use. It has a 350-lb. Load rating, a rough opening of 22-1/2 in. X 54 in., fits ceiling heights between 7 ft. – 8 ft. 9 in., landing space of 61 in., and a minimum clearance-projection space of 70 in. Includes energy efficiency bundle: factory-installed bulb weather stripping, foam weather stripping along the metal hinge for a tight four-sided air seal. Thermo shield, insulation for the door panel and fireguard, a fire retardant door panel. This bundle eliminates air flow and has been third-party certified to reduce heat loss by about 50%.