622 Rubber Stair Tread Square Nose

622 Rubber Stair Tread Square Nose
A New Design Nose - will easily adjust and adhere to steps with return angle nosings between 90° and 60°; allows good fit on stairways designed for safety or aesthetics.

The original molded rubber diamond design stair tread – half diamond design, half smooth; with a longer adjustable nose to fit pan filled, molded concrete or terrazzo steps. Use in commercial, industrial or institutional buildings. Diamond design surface is 6” deep, covers impact area of pedestrian traffic. Meets Federal Specs. RR-T-650E and ZZ-T-001237(GSA-FSS). Install with Musson #400 Neoprene Contact Adhesive, No.300 Water-based Contact Adhesive or #560 Rubber Flooring Adhesive; use #110 Epoxy Nose Caulk for longer wear and added safety.

Improve appearance, add safety and durability, lessen traffic noise in universities, schools, hospitals, banks, theatres, hotels, airports, restaurants, factories, malls; all heavily traveled stairways.

SPECIFICATIONS:
Furnish and install No. 622 Diamond Design Stair Treads; 1/4” thick, tapering to back edge, 12-1/4” deep. Treads shall have a 1-1/2” adjustable square nose (or curved nose); a Flame Spread Rating of 75 or less using ASTM-E-84 Test; a sanded back to assure proper adhesion; contain no asbestos fiber; molded of top quality homogeneous rubber compound, color extending throughout thickness; free from objectionable odors, blisters, cracks or imperfections which might impair serviceability. Select standard length of 36”, 42”, 48”, 54”, 60” or 72”; Select standard color from Color Series I, Color Series II, or Color Series III. (Curved Nose available only in Color Series I.)