Load bearing beams are essential structural components that carry the weight of a building's structure and occupants. Their size and strength are crucial for ensuring the safety and stability of the building.
Beam Size | Maximum Span | Maximum Load |
---|---|---|
2x4 | 10 feet | 800 pounds |
2x6 | 15 feet | 1,200 pounds |
2x8 | 20 feet | 1,600 pounds |
The National Association of Home Builders provides detailed guidelines for selecting the correct beam size based on the intended use and load capacity.
Span (feet) | Uniform Load (psf) | Concentrated Load (lbs.) | Beam Size |
---|---|---|---|
10 | 25 | 2,000 | 2x4 |
15 | 20 | 3,000 | 2x6 |
20 | 15 | 4,000 | 2x8 |
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