Wood Headers - Max. Supported Weight
Use The Engineering ToolBox Sketchup Extension to insert construction lumber in your 3D models.
Weight supported by a double or triple wood header on two 4" x 4" posts:
| Span (feet) | MAx. Weight (lb) | |||||
|---|---|---|---|---|---|---|
| 2 x 2" x 6" | 3 x 2" x 6" | 2 x 2" x 8" | 3 x 2" x 8" | 2 x 2" x 10" | 3 x 2" x 10" | |
| 4 | 2250 | 3780 | 4690 | 5850 | 5000 | 7410 |
| 6 | 1680 | 2520 | 3130 | 4690 | 5000 | 7410 |
| 8 | 2660 | 3990 | 3760 | 5640 | ||
| 10 | 2130 | 3190 | 3010 | 4510 | ||
| 12 | 2510 | 3760 | ||||
- 1 inch = 25.4 mm
- 1 lbf = 0.45 kgf = 4.45 N
- Mass and Weight - the difference
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