B-Line Eaton series Grip Strut stair tread, 432" Grating length, 11.75" Grating width, Steel, 1.5" Channel size, Mill-galvanized, Stair tread, 14 gaug

The Grip Strut tread measures 11.75 inches across the grating width with a 1.5 inch channel size, and the 1.5 inch channel height is what sits in the stringer. Length is listed at 432 inches. Measure your stringer-to-stringer span and your tread nosing-to-back depth against those numbers before you commit, since the channel depth sets how the tread sits on the angle supports.

Yes. The Eaton B-Line Grip Strut stair tread is listed as OSHA compliant, and it is built as a non-slip walking surface for stairs where sure footing is required. That is the reason it gets specified on plant catwalks, mezzanine stairs, and rooftop access runs rather than plain plate.

The finish is mill-galvanized steel, which is a zinc coating applied to the coil before forming. That handles normal outdoor weather and damp industrial interiors. Keep in mind the sheared and punched edges created during fabrication are not re-coated, so in salt spray, chemical wash-down, or constantly wet service a hot-dip galvanized or stainless tread is the better call.

It is formed from 14 gauge steel, the heavier of the two common Grip Strut thicknesses, and the 1.5 inch channel depth is what carries the load rather than the sheet thickness alone. Product weight is listed at 4.2 lb. For pedestrian stair traffic in a plant or on a mezzanine, 14 gauge at a 1.5 inch channel is the standard industrial specification.

What ships is the tread itself in mill-galvanized 14 gauge steel. Bolts, nuts, and any end plates or carrier angles needed to attach it to your stringers are separate items, so add fasteners to the order if your stair does not already have them in place from a previous tread.

Stair tread is the right pick for the risers of a stairway, where each piece spans between stringers and provides the stepping surface. For a flat walkway, catwalk, or mezzanine deck you want Grip Strut plank or grating in a continuous run instead. Both share the same non-slip diamond-punched surface, so the walking feel matches across a stair and the platform it lands on.