Is OSB plywood APA rated?
OSB for sheathing OSB APA Rated Sheathing is intended for subflooring, wall sheathing, and roof sheathing. APA Rated Sheathing/Ceiling Deck can also be made using OSB; it is made so that one surface has an overlay, texturing, or grooving.
What does APA rated OSB mean?
APA Rated Sheathing is rated for use as subfloor, wall, roof, diaphragm and shear wall sheathing. It is suitable for use in a range of construction and miscellaneous applications where strength and stiffness are required. 2.1 Adhesive Bond Classification.
What is better OSB or plywood?
Osb is stronger than plywood in shear. Shear values, through its thickness, are about 2 times greater than plywood. This is one of the reasons osb is used for webs of wooden I-joists. However, nail-holding ability controls performance in shear wall applications.
What does APA mean on plywood?
American Plywood Association
Adhesive and technology improvements eventually led to the manufacture of structural plywood from Southern pine and other species, and in 1964 the Association changed its name to American Plywood Association (APA) to reflect the national scope of its growing membership.
Is APA rated sheathing treated?
Hi-Bor APA-Rated Sheathing Pressure-Treated Plywood.
What is OSB plywood used for?
OSB is a material with favorable mechanical properties that make it particularly suitable for load-bearing applications in construction. It is now more popular than plywood, commanding 66% of the structural panel market. The most common uses are as sheathing in walls, flooring, and roof decking.
Can OSB get wet?
Your framing lumber and the oriented strand board (OSB) are going to be fine. The glues used to make OSB are water-resistant because the manufacturers know that virtually no one can build a home that won’t get wet before the roof and siding is applied. The OSB floors should be swept clean each day after work concludes.
Can OSB be used as subfloor?
Most local codes allow OSB to be used for subflooring. It’s always best to check with your local permitting office before using OSB for your subfloor. One advantage that OSB has over plywood is its larger formatting. For plywood, 8-foot and 10-foot long sheets of plywood are standard.
Is APA rated sheathing fire rated?
In many cases, ordinary wood-frame construction with plywood or other wood structural panel sheathing provides ample fire safety and is completely acceptable. …