17 Steps Stair stringer is a set of 3 stringers, 1 of 5 steps article (model 13905), 2 of 6 steps article model 13906 and 2 stairs stringers connectors article model 13920 allows the construction of a solid and durable 17 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 135-in high structure, it is also suitable for a structure between 131 1/2in and 138 1/2in high. The stair stringer allows for the installation of a 11-in deep steps. Maximum spacing between stringers: 54-in for residential project. Please contact manufacturer for commercials projects. Allowable load of 100 lbs per square foot and ultimate load of 144 lbs per square foot.
For an elevation of 135-in from top of the deck to the landing
Admissible load 100 lbs per square foot, ultimate load 144 lbs per square foot
Allows installation of 11 in deep Treads
Allows several Treads finishes: steel, wood, fiberglass, etc.
One 17 step stringer included