Technical Specifications

Specifications
Norbord OSB Product Line
Performance Rated
Under
Span Ratings
Thickness
(Inch)
CSA-
0325.0-92
(Canada)
NER-108
PS-2-04
(US)
Roof/Floor
or Rated
Sheathing
Combination
Subfloor/
Underlayment
Tongue &
Groove
Edges
Available
4x9 &
4x10 Wall
Sheathing
Windstorm
Wall
Sheathing
Struc1
Available
Bond
Classification
1/4”
5/16”
√ √
16 (wall)
√
3/8”
√ √
24/0
√ √
7/16”
√ √
24/16
√ √
15/32”
√ √
32/16
√ √ √
1/2”
√ √
32/16
√
19/32”
√ √
40/20 20” o.c.
√ √
5/8”
√ √
40/20 20” o.c.
√
23/32”
A
√ √
48/24 24” o.c.
√ √
3/4”
A
√ √
48/24 24” o.c.
√ √
7/8”
√ √
60/32 32” o.c.
√
1”
√ √
60/32 32” o.c.
√
1⅛”
A
√ √
60/32 48” o.c.
√
Exposure 1
A
Also available in Full Face
For Allowable Uniform Roof Live Loads for Norbord OSB rated sheathing panels, with long dimension
perpendicular to supports (U.S. applications)
1
refer to the APA’s Engineered Wood Construction Guide E30U.
Maximum Span (inches) o.c. Notes
Span
Rating
Panel Thickness
(Inch)
With Edge
Support
2
Without Edge
Support
24/0 3/8 24 20
3
24/16 7/16 24 24
32/16 15/32, 1/2 32 28
40/20 19/32, 5/8 40 32
48/24 23/32, 3/4 48 36
60/32 7/8, 1 60 40
1
The allowable loads were determined using a dead load of 10psf. If the
dead load exceeds 10psf, the live load should be reduced accordingly.
2
Tongue-and-groove edges, panel edge clips (one between each support,
two between supports at 48“ o.c.), lumber blocking or other support.
3
24” for 15/32” and ½” panels.
60/32 1⅛ 60 48
For Allowable Uniform Floor Loads Norbord T&G Sturd-I-Floor Panels (U.S. Applications)
123
refer to the APA’s
Engineered Wood Construction Guide E30U.
Notes
Panel Span Rating
Panel Thickness
(Inch)
Span
(Inch) o.c.
20” o.c. 19/32, 5/8 19.2
24” o.c. 23/32, 3/4 24
32” o.c. 7/8, 1, 1⅛ 32
48” o.c. 1⅛ 48
1
Panels are continuous over two or more spans and installed with the long panel
direction perpendicular to supports.
2
Uniform load deflection limitations: L/360 of the span under 85 spf.
3
Edges must have tongue-and-groove joints or must be supported with blocking.
Panels thicker than ¼” are certified by the APA, the Engineered Wood Association, in compliance with APA’s Performance Standards for
Structural Use Panels with certified panels carrying the APA grade stamp and reference to product standards NER-108 and PS-2-04.
Code recognition is through APA’s NER-108 code evaluation report, all of which reference the PS-2-04 standard. These reports provide
recognition by BOCA, ICBO, and SBCCI.
For Canada, Norbord OSB panels comply with CSA Standard O325.0-92 Construction Sheathing.
Although Norbord OSB is widely recognized in Canada and the U.S., regional and local codes can vary widely.
It is the users’ responsibility to comply with code requirements in their area.
Limitation of Liability
In no event shall the liability of Norbord Industries Inc., under any claim made by any buyer, exceed the purchase price of the products in
respect of which damages are claimed.
Mills
Certification
Agency
Mills
Certification
Agency
Bemidji, MN APA #507 Jefferson, TX APA #504
Cordele, GA APA #501 La Sarre, QC APA #424
Guntown, MS APA #502 Nacogdoches, TX APA #506
Barton, AL APA #503 Val d’Or, QC APA #508
Joanna, SC APA #505
Norbord Industries Inc.
1 Toronto Street, Suite 600
Toronto, Ontario
Canada M5C 2W4
Tel [phone]
Fax [phone]
www.norbord.com
Rev. Mar/09
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