How much does Red Alder lumber weigh?
A Red Alder 1×2, 8 ft weighs at 12% moisture content, kiln-dried.
27.5 lb/ft³ · 1.33 bd ft ·
Red Alder is a hardwood with a basic specific gravity of 0.37 (ovendry mass over green volume, USDA Wood Handbook Table 5-3b) — 27.5 lb/ft³ once dried to 12% moisture content. Its Janka side hardness is 590 lbf, the 20th hardest of the 46 species on this site. The Wood Handbook publishes only one green moisture figure for Red Alder: 97%. Total shrinkage from green to ovendry runs about 12.6% by volume.
Red Alder weight by size
| Size | Actual (dry) | 8 ft, 12% MC | Per foot | Green range |
|---|---|---|---|---|
| 1×2 | 3/4″ × 1-1/2″ | 1.7 lb | 0.21 lb/ft | 3.1 lb |
| 1×3 | 3/4″ × 2-1/2″ | 2.9 lb | 0.36 lb/ft | 5.1 lb |
| 1×4 | 3/4″ × 3-1/2″ | 4.0 lb | 0.50 lb/ft | 7.0 lb |
| 1×6 | 3/4″ × 5-1/2″ | 6.3 lb | 0.79 lb/ft | 11.1 lb |
| 1×8 | 3/4″ × 7-1/4″ | 8.3 lb | 1.04 lb/ft | 14.8 lb |
| 1×10 | 3/4″ × 9-1/4″ | 10.6 lb | 1.32 lb/ft | 18.8 lb |
| 1×12 | 3/4″ × 11-1/4″ | 12.9 lb | 1.61 lb/ft | 22.7 lb |
Board-to-board variation of ±10-15% is normal even within one species and size. How these numbers are computed.
Related
- All species: wood species index
- By density: Lighter: Cottonwood (SG 0.37) · Denser: Red Spruce (SG 0.37)