Marine-grade plywood is used where exposure to dampness or weather may impede the performance of regular fir or spruce plywood. Marine-Grade plywood is composed of 100% Douglas fir veneer, bonded with waterproof exterior grade phenolic resin adhesive. Typically, fir marine-grade plywood is of a good 2 side composition, with an “A” grade face and a “B” grade back. The common …

B-B and B-C Plyform Concrete Form PanelsB-B and B-C Plyform Concrete Form PanelsNonoverlaid Plyform is usually made with B grade veneer face and B or C grade veneer back and referred to as “B-B Plyform” or “B-C Plyform.” These panels are available as Structural I or Class I. The panels are sanded on both sides and treated with a release …

Degrade Plywood Degrade plywood is an economical alternative where structural requirements are not necessary. Degrade panels are a “downfall” product from the manufacture of #1 sheathing and have defects in them that preclude them from being graded as structural sheathing under CSA standards 0121 or 0151. These defects may include: sheets off-square, out of thickness, missing edge veneer on one …

Fire-retardant treated plywood is used where the Ontario Building code requires this type of plywood as part of a rated assembly for fire separation in construction.   sheathing grade plywood treated with Dricon® fire retardant. Dricon® is the recognized leader in fire-retardant protection and has been specified by architects and engineers for decades. The Dricon® process utilizes hygroscopic salt compounds which …

Pressure-Treated Plywood pressure-treated plywood for use in areas where plywood will be exposed to direct weather or moisture. Typical applications include sidewall sheathing and built-up roof decks. Our pressure-treated plywood is all sheathing-grade (CCX), either Douglas fir or CSP, conforming to CSA plywood standards 0121 and 0151, respectively. This plywood is then pressure-treated with Sienna Brown Micro-Pro MCA preservative. MCA …

Engineered Wood & Gluelam Products Modern engineering and manufacturing techniques have taken wood construction to the next step with beams, joists , girders and headers made from wood by-products into building components that are, in many cases, stronger than traditional wood members themselves. Decades of research and field-testing have brought to the forefront  proven building solutions that also make the …

Concrete Form Panel TypesThe following is adapted from the Grade-use Guide for Concrete Forms table on page 5 of the APA Design/Construction Guide: Concrete Forming, Form V345. Please refer to that publication for examples of typical trademarks. APA B-B and B-C PLYFORM Class I**APA Plyform TrademarkSpecifically manufactured for concrete forms. Many reuses. Smooth, solid surfaces. Mill-treated unless otherwise specified. Minimum …

Virtually any Exterior type APA panel can be used for concrete formwork because all such panels are manufactured with moisture resistant adhesive. For concrete forming the plywood industry produces a special product called Plyform®, which is recommended for most general forming uses. The term is proprietary and may be applied only to specific products which bear the trademark of APA …

Douglas Fir Plywood Sanded/G1S Sanded fir or G1S (good 1 side) plywood is composed of 100% Douglas fir veneers bonded together with waterproof phenolic adhesive making it suitable for use in both interior and exterior applications where a sanded face is required for further finishing and a finer appearance. Good 1 side plywood is typically graded ACX (“A” FACE, “C …

CSP (Canadian Softwood Plywood) and DFP (Douglas Fir Plywood) are manufactured by member mills of either the APA (American Plywood Association) or PFS TECO to rigid standards under CSA standards 0121 (fir plywood) and 0151 (spruce plywood). This is your assurance that the panels purchased meet or exceed performance requirements. Spruce and fir plywood panels are available for a wide …