B-Line Eaton series Grip Strut four diamond plank, 144" Grating length, 9.5" Grating width, Steel, 2" Channel size, Mill-galvanized, Grip Strut, 14 ga

The Grip Strut four diamond plank runs 144 inches long and 9.5 inches wide, with a 2 inch channel depth. On a walkway or platform, lay planks side by side across your supports to reach the width you need; each pass covers 9.5 inches of walking surface over a 12 foot span of framing.

Yes. The four diamond Grip Strut plank is listed as OSHA compliant and is built as a non-slip walking surface, which is why it gets specified for catwalks, equipment platforms, stair treads and mezzanine decking where wet, oily or icy footing is a concern.

The plank is steel with a mill-galvanized finish, meaning the zinc coating is applied to the coil before forming. That suits covered outdoor and general industrial service well. For constant salt spray, heavy chemical exposure or full submersion, a hot-dip galvanized after fabrication or stainless grating is the better call.

It is formed from 14 gauge steel, the heavier of the common Grip Strut gauges. Combined with the 2 inch channel depth, that is what gives the plank its span capability between supports rather than relying on a thick bar section.

The diamond count describes how many rows of pierced, upturned diamond openings run across the width of the plank. Four diamond gives a 9.5 inch wide walking surface, so it is the wide-plank option for catwalks and platform decking where you want fewer pieces to cover a run. Narrower diamond counts are the ones to look at for stair treads and tight ladder platforms.

Overall height is 2 inches, matching the 2 inch channel. Allow for that when you set your support elevations, since the finished walking surface will sit 2 inches above the top of your beams or angle framing.

The item is the 144 inch four diamond plank itself. Hold-down clips, bolts or saddle-type fasteners for securing the channel legs to your beams are ordered separately, so plan those into the job along with any cut and field-touch-up on the mill-galvanized finish.

Order Eaton B-Line part number 42014 12 GL. That designation covers the four diamond plank, 14 gauge steel, 144 inch length, 9.5 inch width, 2 inch channel, mill-galvanized.

Catalog weight on the 144 inch four diamond plank is 3.8 lb, so it is a one-man carry up a ladder or onto a platform. That light handling weight is part of why perforated formed plank gets used instead of heavy bar grating on retrofit catwalks.