Lumber Engineered Lumber
Weyerhaeuser Weyerhaeuser Parallam PSL
Weyerhaeuser Parallam parallel strand lumber (PSL) — the highest-strength engineered lumber for heavy-load beams, long-span girders, and columns in residential and commercial construction. Available in 3.5", 5.25", and 7" widths; depths to 24"+. Grade: 2.0E; Fc 500 psi (column); Fb 1900 psi (beam). Treated Parallam Plus (MCA micronized copper azole) rated for exterior and wet-service applications including decks, retaining walls, and pool enclosures. ICC-ES ESR-1153.
Grade
2.0E
Available Widths In
3.5, 5.25, 7"
Bending Strength Fb Psi
1900
Column Strength Fc Psi
500
Applications
Long-span beams, girders, columns, headers, posts
Treated Option
Treated Parallam Plus — MCA (micronized copper azole); exterior/wet service rated
Model Comparison
2 models
| Specification | Standard | Treated Parallam Plus |
|---|---|---|
| Model | — | — |
Shared Specifications
All models| grade | 2.0E |
| available_widths_in | 3.5, 5.25, 7" |
| bending_strength_fb_psi | 1900 |
| column_strength_fc_psi | 500 |
| applications | Long-span beams, girders, columns, headers, posts |
| treated_option | Treated Parallam Plus — MCA (micronized copper azole); exterior/wet service rated |
| code_approval | ICC-ES ESR-1153 |
| distribution | LBM dealer/distributor network; contractor specification |