Stairways come completely assembled and ready-to-install with instructions. Full width piano hinge across the frame at the head of the stairs. 3/16" stayrods under treads with large washers and painted or plated hardware to prevent rust. The springs expand uniformly under load and are hand tool adjustable for safety and reliability.Windsor. All treads, stiles and well frames are constructed of 1 x 4 kiln dried southern pine. Press info button below for rough opening sizes.Windsor/Fireguard. All treads, stiles and well frames are constructed of 1 x 4 kiln dried southern pine, includes fire retardant door. Press info button below for rough opening sizes.Premium. All treads, stiles, and well frames are constructed of 1 x 6 kiln dried southern pine, plus heavy-duty hardware and springs. Designed for heavier home usage and loads. Press info button below for rough opening sizes.Spacemaker. All treads, stiles and well frames are constructed of 1 x 5 kiln dried southern pine. Press info button below for rough opening sizes.Supreme Aluminum. All aluminum stair construction with heavy-duty steps and stiles. Double riveted treads provide added stability and security. Adjustable stile and pivotal floor pad make installation easy. Stairway has full width piano hinge and trifold design with heavy-duty side hinges. Reduced maintenance, termite and rust-resistant with sanded plywood door. Press info button below for rough opening sizes.
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