Stairs can be as simple as 2×12 stringers with plywood risers and treads and as complicated as steel stringers and beautiful hardwood treads. If you plan on using wood stringers then i would recommend you at least use 2×12 lumber. Today most all stairs that i build end up using 11-7/8″ timberstrand stringers. Allow me to share pictures about stair stringer calculator free spreadsheet, steel stair stringer detail, metal stair stringer brackets, single metal stair stringer, mono stringer stairs, residential steel stair stringers, etc.
Steel spine stair plan calculator diagram with full dimensions running points up top of spine to bottom of treads mark out running points up top of spine to center of treads for brackets mark out running measurements vertically lower floor to top of each tread possible landing heights blue middle print cut and use the diagram as
Stringer to steel platform or embedded steel at floor level landings they must be field welded with 1 8 quot welds similar to detail welds below note rubber or carpet coating to be furnished and installed by others 7 quot max stringer can vary in section 1 8 quot 1 2 quot 1 1 12 quot 8 quot
Fast stairs are modular adjustable steel stair stringers simply scr w step treads and railings not included to the engineered steel stair stringers to build solid square amp plumb free standing indoor or outdoor stairs designed for fail safe stair building for all our 32 models can frame 2 ½ to 13 ft high stairs and more with the perforated steel stringers you can fasten any stair finish
Plate stringers are american stair x27 s most cost effective standard design used on the majority of stairs we fabricate we do the detailing when you specify it channel stringers are used when the unit span requires a heavier section it is available in mc or c sizes box stringers are a popular choice when a more streamlined or architectural appearance is needed
Stringers one on either side of the stairs though the treads may be supported many other ways the stringers are notched so that the risers and treads fit into them handrail a rail fixed parallel above the pitch line at the sides of a stair balusters vertical members which support a handrail newel a vertical post which might provide