Interested in purchasing Treated LSL?
Find out where to buy
LP SolidGuard LSL Benefits
LP® SolidGuard® LSL treated sill plates are manufactured to be straight and more uniform in strength, stiffness and size than traditional lumber. Advantages include:
- Strength: Provides a full wall plate solution for taller wood-framed buildings.
- Efficiency: Long lengths make it easy for continuous framing along walls.
- Versatility: Available in common traditional lumber sizes and in long lengths.
- Peace of Mind: Manufactured straight and stays straight, treated throughout with no need to field treat, and is free of knots and other naturally derived defects.
- Sustainability: LP uses forest management and procurement systems certified to the Sustainable Forestry Initiative® standard.
- 25-Year Limited Warranty: Products backed by a 25-year limited warranty against termite and fungal decay damage. See complete warranty details for more information.
How It’s Made
The LP® SolidGuard® LSL manufacturing process blends zinc borate throughout the product, eliminating the need for field treatment.
- Made with sustainably harvested aspen and maple hardwoods for greater strength
- Treated with zinc borate to resist termite damage and fungal decay
- Edges and ends are sealed for additional moisture protection
Product Specifications
Available depths: 3-1/2˝, 5-1/2˝
9-1/2˝, 11-1/4˝, 11-7/8˝, 14˝, 16˝, 18˝, 20˝, 22˝, 24˝
Available grades: 1.35E
Custom widths and lengths available upon request
Available in precision end-trimmed lengths upon request
Edges and ends are sealed to reduce swelling
Product Videos
LP SolidGuard LSL at IBS
LP SolidGuard LSL at IBS 2014.
Related Products
Rim Board
Consistent, straighter and more dimensionally stable than lumber, LP® SolidStart® Rim Board is the superior choice for vertical and lateral wall loads.
Read More
LSL
LP SolidStart LSL installs like traditional lumber, but surpasses it in strength and consistency.
Read More