SKU 13912
12 Steps Stair stringer is a (set of 2) stringers of 6 steps article # 308771946 (model # 13906) and 1 stair stringer connector article # 308771972 (model # 13920) allows the construction of a solid and durable 12 steps staircase. A wooden support (4 in x 4 in) is required, not included. Once assembled this stair stringer is ready to receive steps in steel, fiberglass, wood (use 2 x 2 in x 6 in boards or 1 x 2 in x 12 in board), etc. Lightweight and easy to handle, it sets up quickly and easily. The stair stringer is powder coated paint offering excellent rust resistance.Ideal for a 97-½ in high structure, it is also suitable for a structure between 94 in and 101 in high. The stair stringer allows for the installation of a 11 in deep steps. Maximum spacing between stringers: 66 in. for residential project and 30 in. for commercial project. Allowable load of 100 lbs per sq. ft. and ultimate load of 144 lbs per sq. ft..
