Lumber Engineered Lumber
Weyerhaeuser Weyerhaeuser TimberStrand LSL
Weyerhaeuser TimberStrand laminated strand lumber (LSL) — engineered structural lumber for headers, rim board, tall wall studs, sill plates, and stair stringers. Superior dimensional stability versus solid lumber — resists warping, twisting, and shrinkage. Precision-cut sill plates for airtight foundations. Integrates seamlessly with TJI joist rim board systems. ICC-ES ESR-1153.
Standard Width In
1.75 (single ply)"
Applications
Headers, rim board, tall wall studs, sill plates, stair stringers
Dimensional Stability
Superior to solid lumber; resists warping, twisting, shrinkage
Code Approval
ICC-ES ESR-1153
Distribution
LBM dealer/distributor network
Model Comparison
2 models
| Specification | 9-1/2 in | 11-7/8 in |
|---|---|---|
| Model | — | — |
Shared Specifications
All models| standard_width_in | 1.75 (single ply)" |
| applications | Headers, rim board, tall wall studs, sill plates, stair stringers |
| dimensional_stability | Superior to solid lumber; resists warping, twisting, shrinkage |
| code_approval | ICC-ES ESR-1153 |
| distribution | LBM dealer/distributor network |