Attic Ladder, Material Wood, Ceiling Height Range 7 ft. to 8 ft. 9 In. , Load Capacity 350 lb. , ANSI Type IA, Series Big Boy, Rough Opening 30 In. x 60 In. , Swing Clearance 71 In. , Landing Space 60-2/3 In. , Step Width 22 In. , Step Depth 5-1/2 In.