Plywood and particle board have long been used for structural and non-structural parts, as well as cores for composite and molded parts. Unfortunately, both materials are prone to warping and rotting.

Plywood is another type of structural engineered wood panel. It comes in four-by-eight-, nine- and 10-foot sheets that range in thickness from 1/8 in. (3.2 mm) to 1 1/4 in (31.75 mm).

Structural plywood panels are used for flooring, roofs and walls in residential and commercial buildings and must meet PS 1-09 standards to comply with U.S. building codes.

Structural plywood was introduced in 1948 in the U.S., and prior to that diagonal bracing was placed in walls to create lateral strength. Diagonal bracing is still used in some cases for an ...

When structural-plywood panels meet the standards, agencies authorize the plywood mills to place a PS 1-09 stamp onto the plywood to inform consumers that the panels are safe for construction.

Companies like PFS-TECO inspect and certify Brazilian plywood to meet the PS 1 structural standard prior to import and sale in the U.S. Building codes require that structural grade plywood panels ...

Though all of their products were marked with the official stamp for Structural Plywood, known as U.S. Product Standard PS 1-09, they all failed to comply with federal regulations by large margins.

We're betting that the existing siding you applied is 3/4-inch structural plywood. When properly nailed to the 2-by-4 or 2-by-6 framing it will provide shear protection and be a good base for ...

FORT LAUDERDALE, Fla.--(BUSINESS WIRE)--A lawsuit to stop the importation and sale of substandard structural plywood from Brazil has ended in a permanent injunction barring a long-time certifier ...