What is PS1 plywood?
PS 1-19 is the updated product standard covering the requirements for American plywood intended for structural (loadbearing) use. The standard details various grades of structural plywood such as sheathing for roofs, walls and floors, sanded grades and plywood used in concrete formwork.
What is the difference between PS1 and PS2 plywood?
PS 1, Structural Plywood, establishes requirements for structural plywood. PS 2, Performance Standard for Wood-Based Structural-Use Panels, establishes requirements for structural wood-based panels such as oriented strand board (OSB), waferboard and certain types of plywood.
What does PS1-09 mean?
If the glue bond durability is Exterior, then all veneers used in the construction must be C grade or better. PS1-09 stamps will always include the certification agency, the standard, and the glue bond durability, Exposure 1 or Exterior in the trade marks.
Is plywood a structural panel?
What is Structural I? Structural I, also referred to as “STRUC I,” may be OSB or plywood and is, essentially, a subcategory of APA Rated Sheathing. Panels designated Structural I must meet all of the manufacturing and performance standards of Rated Sheathing, as well as certain additional requirements.
What does APA plywood mean?
APA is a nonprofit trade association that has grown and evolved with the engineered wood industry. APA was founded in 1933 as the Douglas Fir Plywood Association and was later recognized as the American Plywood Association. APA represents approximately 175 member mills in 23 states and seven provinces.
How can you tell if plywood is structural?
Most of the plywood used in home construction is structural plywood. To put it simply, anything you can find where the building code is specifying plywood materials and material thicknesses, requires structural plywood, especially if these materials can end up being exposed to rainfall before the home is dried-in.
What is the difference between structural plywood and non-structural plywood?
The main difference between structural and non-structural plywood is the type of glue used in the manufacturing of the boards. Structural plywood boards are made with A-Bond or B-Bond types of glue. Non-structural plywood is made with C-D Bond glues.
Is CDX plywood structural?
This type of plywood is also referred to as “structural plywood;” a designation which means that it is intended for structural applications. CDX plywood is an exterior grade plywood only in the sense of considering the adhesive used for connecting the veneer plys.
What does PS2 mean in plywood?
PS 2, Performance Standard for Wood-Based Structural-Use Panels, establishes requirements for structural wood-based panels such as oriented strand board (OSB), waferboard and certain types of plywood. 4 Bond classifications The Exposure 1 classification appears in both PS 1 and PS 2 product standards, while
What is a structural I panel?
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.S. Voluntary Product Standards PS 1 and PS 2.
What is the structural plywood standard?
The standard classifies structural plywood by bond classification, span rating, performance category, and grade. It provides test methods, a glossary of trade terms and definitions, and a quality certification program whereby agencies inspect, sample, and test products for conformance to this standard.
What is the difference between PS1 and PS2?
PS 1 and PS 2 are nationally recognized Voluntary Product Standards developed under procedures published by the U.S. Department of Commerce. PS 1, Structural Plywood, establishes requirements for structural plywood. PS 2, Performance Standard for Wood-Based Structural-Use Panels,establishes requirements for structural