OSB Performance Categories
enhancing wood’s natural strengths
Tolko offers the following Performance Categories:
T&G RSIF |
SE RSIF |
PRS |
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Str-1 |
Specialty Products |
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Products
APA Performance Rated OSB Panels & Sheathing, Structural I, Rated Sturd-I-Floor, Rim Board,
Concrete Edge Form, SIP Facers, Stair Tread, JAS
Trademark Approvals
APA–The Engineered Wood Association, PRP-108, PS2, G-5, JAS
Lengths and Widths
Available sizes: 47-7/8” X 95-7/8”, 107-7/8”, 119-7/8”
Custom sizes available upon request: 36” X 72” to 96” X 289”
Special Certifications
G-5 APA Qualified Structural Panels with Low Formaldehyde Emission
N-614 APA Qualified SIP Facers
N-412 APA Qualified Concrete Edge Form
Surface Treatments
Screen Back, Sanding, Edge Sealed, T&G, Square Edge
Raw Material Species
Minimum 80% Aspen and Hardwood (Black Popular) and 20% Softwood.
Forest Certifications
ISO 14001 EMS, CSA Z809 SFM, PEFC Chain of Custody
Load Tallies
Performance Categories |
47-7/8” x 95-7/8”
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47-7/8” x 107-7/8”
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47-7/8” x 119-7/8”
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47-1/2” x 95-7/8”
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48” x 95-7/8”
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PCS/Unit |
PCS/Unit |
PCS/Unit |
PCS/Unit |
PCS/Unit |
| 3/8 | 87 | 77 | 70 | ||
| 7/16 | 78 | 69 | 62 | ||
| 15/32 | 74 | 66 | 59 | ||
| 19/32 SE | 58 | ||||
| 23/32 SE | 48 | ||||
| 19/32 T&G Scant Face | 58 | ||||
| 23/32 T&G Scant Face | 48 | ||||
| 19/32 T&G Full Face | 58 | ||||
| 23/32 T&G Full Face | 48 |
Loading Tally, 60HC |
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Performance Categories |
Units |
| 1/4, 3/8 PRS, 15/32 PRS | 56 |
| 15/32 Str-1, (95-7/8”) | 54 |
| 19/32 Str-1 | 56 |
| 19/32 PRS | 58 |
| 19/32 TG | 58 |
| 7/16, 1/2 PRS | 58 |
| 23/32 SE & TG | 59 |
56 units of 119-7/8” on 73' CB cars
16 units 119-7/8” in door of 60HC car- balance can be 95-7/8” or 107-7/8” to total of 56 units
Mixed CB of 107-7/8” & 119-7/8” can load to 60 units
Featured Product - TOLKO 1/4 CAT OSB
IDEAL FOR NON-STRUCTURAL PROJECTS
Uniquely suited for non-structural applications requiring a light weight, durable and easily workable material. Read more
- Garden Sheds
- Ice Fishing Huts
- Weekend Projects
- Garage Liners
- Overlay Board Roofs
- Pallets
- Packaging
- Foot Lockers
Contains No Added Urea-Formaldehyde.
Earn Green Globes and LEED Points

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Suggested Resources
APA PS2-10 Performance Standard for Wood Based Structural-Use Panels
APA Panel Design Specifications
Engineered Wood Construction & Installation Guide
Engineered Wood, Storage & Handling of APA Trademarked OSB Panels, Canadian Edition
Engineered Wood, Storage and Handling of APA Trademarked OSB Panels