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Amstep Model 511A, 11 inches wide, 90 degree return angle. Tread 9/32 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 mixture and locked into channels in an extruded aluminum base, alloy 6063-T6. Coefficient of friction 1.02 dry, 0.98 wet per ASTM F 609. Abrasive filler color as selected.
Color as selected.
Review Item # 511A Anti-Slip Safety Stair Treads.