Steel formed treads and risers feature a non-slip surface per ASTM E303-74 with a two-inch contrasting stripe and an eleven-inch minimum depth sized per plans. The steel stringer channel support bears onto a concrete slab supported by a steel beam with sprayed ICC-approved fireproofing over it.
SEE PLANS 11" MIN. 2" STEEL FORMED TREADS & RISERS W/ NON-SLIP SURFACE PER ASTM E303-74 2" CONTRASTING STRIPE CONCRETE SLAB STEEL BEAM WITH SPRAYED ICC APPROVED FIREPROOFING OVER STEEL STRINGER CHANNEL SUPPORT
Members view this detail in full resolution, download the CAD files (SVG, PDF), and can adapt it in the built-in CAD editor — export DXF, DWG, or PDF.
Start membership