Technical Specifications
Engineering Data, Load Capacities & Material Properties
Engineered for Performance
Breault Industrial Group, Inc. supplies scaffold plank that meets or exceeds strict industry standards. All GripStrip® planks are proof-loaded and strictly graded to ensure predictable performance under load. The following tables provide general span and load data for our primary product lines.
GripStrip® Scaffold Plank Load and Span Chart
Load & Span Capabilities
Federal OSHA Duty Rating| Load Supported over Specified Distance (inches) (Federal OSHA Duty Rating) |
Total Load (pounds) | Maximum Span (feet) |
Maximum Deflection (inches) |
||
|---|---|---|---|---|---|
| 12" | 24" | 36" | |||
| Light Duty (25 psf) (Workers-Minimal Storage of Materials) | 265 | 280 | 285 | 10 | 2 |
| Medium Duty (50 psf) (Workers-Some Storage of Materials) | 390 | 425 | 460 | 7 | 1-3/8 |
| Heavy Duty (75 psf) (Workers-Considerable Storage of Materials) | 565 | 635 | 725 | 5 | 1 |
1) Bending stress:
Fb = 2200 psi
MOE = 1,800,000 psi
MOE = 1,800,000 psi
2) Design Properties:
Based on dry use conditions. Dry conditions are defined as an environment where moisture content does not exceed 19%.
3) Deflection:
Based on Federal OSHA Maximum Span (in inches) divided by 60 - flat use.
4) Conditions:
For conditions other than listed above, contact Breault Industrial Group, Inc.
Do not use this chart for other species & grades of lumber.
Do not use this chart for other species & grades of lumber.
Manufacturing Specifications
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Pinned Ends Hydraulically pressed steel pins inserted into plank ends to prevent splitting and extend service life.
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Proof Loading Every plank undergoes non-destructive load testing to ensure structural integrity before shipping.
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End Sealer Advanced waterproofing sealant applied to ends to resist moisture absorption and checking.
Technical Documents
Need specific engineering calculations?
Contact Engineering Dept →