Style Swing Door - Abrasive Cast Metal Elevator Door Sill
Door Threshold shall be: NARROW WIDTH SILL, FULL DEPTH SILL, or SWING DOOR SILL as manufactured by American Safety Tread Company, Pelham, Alabama 35124. Telephone 1-800-245-4881. Nosings shall be cast in Alumacast, Feracast, Bronzacast or Nickelcast with #24 virgin grain Silicon Carbide granules embedded into the walking surface while the matrix is in a molten state. All metals shall be furnished in natural metal finish. Feracast shall have one coat of shop applied black paint.