Proven quality and consistency
Designed based on feedback from our partners in the construction industry, Tolko T-STRAND OSB roof and wall sheathing is strong, durable, and certified by the APA - The Engineered Wood Association. For material that meets or exceeds your needs at an unbeatable value, choose from our residential sheathing products and to help make your job easier.
Now available with ZINC BORATE treatment. Learn more.
SHEATHING
Residential Sheathing
Build better with T-STRAND. Your choice of material can make life on the job-site easier. Our T-STRAND OSB Sheathing features an ink-jetted nailing guide on the panel face, which makes for convenient, easy installation, and our proprietary edge seal creates a moisture resistant panel which resists swelling.
To keep our air clean, our OSB contains no added urea-formaldehyde resin (NAUF) for improved indoor air quality.
SIP FACERS
SIP Facers
Panel matching made easy. Laminating structural insulated panels (SIPs) can feel like putting together a puzzle, with OSB boards that never quite seem to fit. To help you get the quality you want and avoid the stress of finding just the right piece for your project, we offer our dimensionally stable and consistently straight OSB SIP Facers.
Available Sizes
Thickness Categories: 3/8, 15/32, 1/2, 19/32, 5/8, 23/32
Lengths: 6', 8', 9', 10', 12', 14', 16', 24
Widths: 4', 8'
Optional ZINC BORATE treatment
Warranty
No-nonsense, transferable 50-year limited warranty against delamination. View warranty for full details.
Available Sizes
Thickness Categories: 3/8, 7/16, 15/32, 1/2, 19/32, 5/8, 23/32, 7/8, 1-1/8
Lengths: 6', 8', 9', 10', 12', 14', 16', 24
Widths: 4', 8'
Optional ZINC BORATE treatment
Warranty
No-nonsense, transferable, 25-year warranty against delamination. View warranty for full details.
Available Sizes
Thickness: 7/16
Lengths: 12', 16', 24', custom lengths
Widths: 4', 8', custom widths
Optional ZINC BORATE treatment
Warranty
No-nonsense, transferable 25-year limited warranty against delamination. View warranty for full details.
Features and Benefits
Tested to APA’s standards PS2 and PR-N614, these unsanded panels are compatible for laminating with insulating polyurethane (PUR), polyisocyanurate (PIR), and polystyrene (EPS) foam cores.
Our SIP Facers offer increased moisture resistance, with our edge seal which protects against swelling.
To ensure our product arrives at your door in the same condition it left our mill, we ship our SIP Facers in a woven-poly bag for extra protection against the elements.
T-STRAND contains no added urea-formaldehyde resin (NAUF) to keep your air free and clear.
Tolko’s zinc borate treated OSB panels offer exceptional durability and protection against termites, fungal decay, and moisture. This treatment ensures the panels maintain their structural integrity in challenging conditions, making them a reliable choice for retailers and builders.
Zinc borate treated OSB panels can often replace pressure treated plywood, providing significant cost savings without sacrificing quality or performance.
Notes:
- T-STRAND OSB with ZB conforms with AWPA Use Category 1 (UC1) and Category 2 (UC2).
- APA Product Report PR-N216 confirms that ZB treated T-STRAND OSB meets the performance requirements of PS 2.
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