B-Line Eaton series Grip Strut three diamond plank, 144" Grating length, 7" Grating width, Steel, 3" Channel size, Mill-galvanized, Grip Strut, 10 gau

The plank runs 144 inches long by 7 inches wide, with a 3 inch channel size and a 3 inch height. That gives you a 12 foot walkway section 7 inches wide per plank, so wider catwalks are built by running planks side by side. The 3 inch channel depth is what sets your clearance between the walking surface and whatever the plank bears on.

Yes, the B-Line Grip Strut three diamond plank is listed as OSHA compliant. It is a serrated, non-slip surface intended to give sure footing where slip resistance is required, which is why it turns up on mezzanine walkways, equipment platforms and catwalks in plants and utility spaces.

Mill-galvanized steel is a zinc coating applied to the sheet before forming, so the flat faces are protected but the sheared edges and punched openings are bare. That is fine for covered, dry or lightly damp interior areas. For continuous outdoor exposure, washdown, or corrosive process areas, specify a hot-dip galvanized-after-fabrication or stainless plank instead.

It is formed from 10 gauge steel, the heaviest of the common Grip Strut gauges, and one 12 foot plank is listed at 10.5 lb. Light enough for two people to set by hand on a platform, but check your support spacing against the load you intend to carry.

Diamond count describes how many rows of serrated diamond openings run across the width of the plank. This is a three diamond plank at 7 inches wide; a two diamond piece is narrower and a four or five diamond piece is wider. Pick the width that divides evenly into your walkway or stair tread run so you are not cutting a plank lengthwise on site.

No mounting hardware is included with the plank itself. It is supplied as the formed 10 gauge steel channel section only, so order your saddle clips, hold-down clamps or through-bolts separately to match the beam or angle framing you are landing it on.

It ships as a single 144 inch length under model 33010 12 GL. Field cutting steel plank to length is normal practice; expect to touch up the cut ends with a cold galvanizing compound since the mill-galvanized coating will not cover a fresh cut.

The surface is built for sure footing where non-slip is required, which covers both walking surfaces and stair treads. For treads, though, you generally want a purpose-made tread with formed nosing and pre-punched end plates for the stringers. This 144 inch plank is sized as a walkway or platform run, not a cut-to-length tread blank.