Nds Timber Design Values: SPRUCE-PINE-FIR
NDS (National Design Specification) reference design values for visually graded dimension lumber — bending, tension, shear, compression, and modulus of elasticity
| species | grade | E psi (psi) | Emin psi (psi) | Fb psi (psi) | Fc perp psi (psi) | Fc psi (psi) | Ft psi (psi) | Fv psi (psi) | G | grading rules agency | size classification | standard | table id |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SPRUCE-PINE-FIR | Construction | 1,300,000 | 470,000 | 1,000 | 425 | 1,400 | 500 | 135 | 0.42 | NLGA | 2" - 4" wide | NDS-2018 Supplement | 4A |
| SPRUCE-PINE-FIR | No. 1/ No. 2 | 1,400,000 | 510,000 | 875 | 425 | 1,150 | 450 | 135 | 0.42 | NLGA | 2" & wider | NDS-2018 Supplement | 4A |
| SPRUCE-PINE-FIR | No. 3 | 1,200,000 | 440,000 | 500 | 425 | 650 | 250 | 135 | 0.42 | NLGA | 2" & wider | NDS-2018 Supplement | 4A |
This is a sample. Search the full nds timber design values dataset and 350+ more by creating a free account and accessing the database.
Get started for FREE