Amstep Model 341ASR, 4 inches wide with 83 degree return angle. Tread 1/4 inch thick with lip 1 1/8 inch from underside, no-trip bevels at back edge, holes drilled and countersunk. The abrasive filler shall consist of a mixture of aluminum oxide and silicon granules in an epoxy resin and hardener and locked into channels in an extruded aluminum base, alloy 6036-T6. Coefficient of friction 1.02 dry, 0.98 wet per ASTM F 609. Color as selected.
Color as selected.
For renovating any concrete, wood, metal or terrazzo stairs.