B-Line Eaton series Grip Strut two diamond plank, 120" Grating length, 4.75" Grating width, Aluminum, 2" Channel size, .100" Thick

Each plank runs 120 inches long by 4.75 inches wide, with a 2 inch channel depth. That 4.75 inch width is the narrow two diamond pattern, so wider walkways and platforms get covered by laying planks side by side rather than by ordering a wider single piece. Plan support spacing off the 2 inch channel height, which is the structural depth doing the work.

Yes. The Grip Strut two diamond plank is listed as OSHA compliant, and the diamond openings give the slip resistant footing that requirement is about. That covers the plank itself; the surrounding guardrails, stair geometry and support structure are still on whoever designs the installation.

This plank is aluminum, 12 gauge, which is the choice for damp, washdown, coastal or chemical exposure where a painted or galvanized steel plank would eventually rust at cut ends and fastener holes. Aluminum also keeps handling weight down for crews carrying 10 foot lengths up to a mezzanine or platform. Where the concern is heavy rolling loads or impact rather than corrosion, a steel plank is the better match.

Order Eaton B-Line part 22010 10 AL. That number covers the aluminum two diamond plank, 120 inch length, 4.75 inch width, 2 inch channel. Fasteners, hold down clips and support framing are separate items and are not part of the plank.

The plank profile with its 2 inch channel and slip resistant diamond openings is the same form used for treads, and at 120 inches you can cut multiple treads from one length. The channel sides give you the depth to fasten down to stair stringers. Confirm your tread width requirement against the 4.75 inch plank width, since many stairs need two planks side by side to make full tread depth.

It is aluminum at 12 gauge, so a 10 foot plank is a one or two man carry rather than a lift. Aluminum also cuts and drills with standard jobsite tools, which matters when you are trimming planks to fit a platform or notching around structure. Cut ends on aluminum will not rust the way a cut galvanized steel plank does.