Type 3711 Ribbed Abrasive Stair Nosing - Concrete Stairs
Quick Info
| Type Number: | 3711 |
| Description: | For poured concrete or terrazzo stairs |
| Width: | 4" |
| Lip: | 1/2" |
| Thickness: | 1/4" |
| Anchor Options: | Full length, integrally extruded 3/4" anchor |
Stair nosings shall be Type No._________ as manufactured by American Safety Tread Company, Pelham, Alabama 35124. Telephone 1-800-245-4881. The base shall consist of heat treated extruded aluminum alloy 6063-T6. The abrasive filler shall consist of a mixture of aluminum oxide and silicon carbide granules in an epoxy matrix locked into the extruded channels of the base. The abrasive ribs shall project a minimum of 1/16” above the extruded channels. Nosings shall terminate not more than 3″ from ends of steps for poured concrete stairs; for concrete filled steel pan stairs, nosings shall be full length of steps less 1/8″ clearance.
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