What does TECO tested mean?

What does TECO tested mean?

TECO’s certification marks signify that various engineered wood products (EWP), such as plywood, OSB, MDF, LVL, and glued laminated timbers, meet TECO’s quality and performance standards.

What is TECO tested plywood?

TECO is a third party inspection agency serving wood product producers worldwide. TECO evaluates and certifies OSB, plywood, particleboard, composite and agrifiber panels in the United States, Canada, Mexico, Chile and Brazil. And the list is GROWING!

What is ps1 rated plywood?

This standard covers the wood species, veneer grading, adhesive bonds, panel construction and workmanship, dimensions and tolerances, marking, moisture content and packaging of structural plywood intended for construction and industrial uses.

What is ps2 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 is standard grade plywood?

There are four grades of plywood: A, B, C and D. The grade refers to the quality and appearance of the plywood’s face and back veneers. A has the highest quality and is the most expensive, and D is the least expensive. A-grade plywood features a smooth, sanded surface without knots.

Is OSB better than 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 plywood mean?

The Engineered Wood Association
APA was founded in 1933 as the Douglas Fir Plywood Association and was later recognized as the American Plywood Association. In 1994, APA changed its name to APA – The Engineered Wood Association to better reflect the range of products manufactured by APA members and the international scope of the Association.

What are the markings on plywood?

Typical plywood grades and characteristics

  • “A” Grade. Sanded smooth, paintable.
  • “B” Grade. Solid surface with some repairs, usually football-shaped patches and/or wood filler.
  • “C” Grade. Tight knots to 1-1/2 in.
  • “D” Grade. Knots and knotholes up to 2-1/2 in.

What is a knot defect in wood?

A knot is a defect in a piece of wood caused by the presence of a branch. Grading lumber knots are classified for their size, form, soundness and the firmness with which they are held in place.

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