Amstep Model 709ASR, 9 inches wide, 83 degree return angle. Tread 5/16 inch thick with lip 1-1/4 inch from underside, no-trip bevels at back edge; holes drilled and countersunk. High-performance polymer cast and cured on extruded aluminum base, alloy 6063-T6. Treads shall pass ASTM D 2444 without cracking or delaminating, comply with Federal Standard 141, and be capable of immersion in saline water, oil, fuels, detergents without softening. Coefficient of friction 1.04 dry, 1.00 wet per ASTM F609. Abrasive filler color as selected.
Color as selected.
For renovating any concrete, wood, metal or terrazzo stairs.