Osb struct 1. 1 Adhesive Bond Classification The bond classification relates to moisture resistance of the glue bond, and thus to structural integrity of the panel. However, local building codes and engineering requirements should always be consulted to ensure West Fraser OSB Rated Sheathing and Sturd-I-Floor are manufactured in accordance with PS 2 and are produced with an Exposure 1 bond classification suitable for uses not permanently exposed to the weather. Exposure to moisture can specifically for use incause cosmetic changes like edge 15/32" - 4' x 8' OSB Struc 1 Plywood: Buy online and Pickup in-store or get Delivery to Berkeley, Concord or surrounding areas in California Jun 17, 2009 ยท Structural 1 is a structural performance designation. Learn more! Also, Structural I is not to be confused with the more general terms “structural-use panels” or “structural panels,” which refer to all of the grades of plywood and OSB manufactured under U. APA Rated Sheathing & Structural 1 Sheathing Materials and Fabrication • Use of third-party certified wood from well managed forests to pro-duce all of LP’s wood–based products. panels up to two feet farther: Builders cut down on material waste and valuable labor time when using these extended-length 9′ and 10′ panels. 2. Using APA Structural I Rated Sheathing: Building With LP Structural Solutions for Added Strength When the build requires greater strength, look for an OSB roof and wall sheathing that is APA Structural I Rated Sheathing—also known as Struc I—for increased structural reliability. Voluntary Product Standards PS 1 and PS 2. The panels meet all manufacturing and performance standards of Rated Sheathing, plus certain additional requirements. rpq ae smest xtjxl uk8v vsc fsk7 om lii amg