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Manufacturer Resources
Product Specs
- Application:
- Safe, sturdy footing where non-slip is required
- Channel Size:
- 1.5"
- Compliances:
- OSHA Compliant
- Material Gauge:
- 12 gauge
- Product Height:
- 1.5 in
- Product Length Depth:
- 288 in
- Product Weight:
- 4.1 lb
- Product Width:
- 7 in
- Department:
- Electrical
- Product Finish:
- Plain
- Product Material:
- Steel
B-LINE T31512N 24 BL – Frequently Asked Questions
1) Is this Grip Strut tread OSHA compliant for an industrial stairway?
Yes. The Grip Strut stair tread is listed as OSHA compliant and is intended for safe, sturdy footing where a non-slip walking surface is required. The pierced and formed surface is the slip resistance itself, so no grit coating or tape is added on top.
2) Does the Plain finish Grip Strut tread need painting for outdoor use?
Plain is bare, uncoated steel. Indoors in a dry area it can go in as-is, but outdoors or in a wash-down or corrosive area it will rust, so it needs to be painted or otherwise coated after cutting, or you should specify a galvanized Grip Strut instead. Cut ends are always bare steel and want touch-up regardless of the original finish.
3) Is a 7 inch wide Grip Strut tread wide enough for a code stair tread, or do I need two runs per step?
At 7 inches wide, one run gives a 7 inch tread depth. Industrial stairs commonly call for a deeper tread than that, so it is normal to set two 7 inch sections side by side on each step to build up the depth, or to use a single wider tread width where the design requires it. Check the tread depth on your stair drawing before deciding on one run or two.
4) What does the 1.5 inch channel size mean on a Grip Strut stair tread, and how much depth do I need to allow at the stringer?
The 1.5 inch channel size is the formed depth of the tread, and product height is also given as 1.5 in. That is the vertical space the tread occupies where it sits on the stringer, so allow 1-1/2 inches between the top of the stringer connection and your finished walking height.
5) Is 12 gauge steel heavy enough for Grip Strut treads on a plant stair with daily foot traffic?
The tread is 12 gauge steel, which is the heavier of the common Grip Strut gauges and what is normally specified for industrial stairs and platforms carrying regular crew traffic. Span between stringers is what governs the load, so keep stringer spacing to what your stair design calls for rather than stretching the tread over a wider opening.
6) How is Grip Strut different from bar grating or expanded metal for a catwalk or stair?
Grip Strut is a single sheet of steel pierced and formed into channel sections with raised, serrated openings on the walking surface, so the slip resistance comes from the diamond-shaped teeth rather than from a coating or from serrated bars. Bar grating is fabricated from welded bars and carries load over longer spans; expanded metal is flatter and gives less grip underfoot. Grip Strut is the usual pick where non-slip footing is the driving requirement, which is exactly the stated application for this 1.5 inch channel tread.
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Does the B-LINE T31512N 24 BL come with a warranty?
Absolutely. The B-LINE T31512N 24 BL is backed by a manufacturer’s warranty.
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