Wooster Supergrit Stair Tread is a heat-treated, corrosion resistant, extruded aluminum base with satin lacquered finish. The use of diamond hard aluminum oxide in the filler assures long tread life under heavy pedestrian traffic use. Supergrit® is appropriate for both interior and exterior use.
- 630A Dimensions: 3″ width & 1/4″ thickness.
- Includes 5/8″ long anchor for embedment in cast-in-place applications
- Extruded aluminum base – abrasive filler.
- Lengths to order – up to 12’0″ in one piece
- Lengths over maximum to be made in equal sections
- High content of aluminum oxide abrasive
- 11 standard colours
- Colours extend throughout filler