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 …

MDO (Medium-Density Overlaid) signboard consists of a 100% Douglas fir plywood panel, composed with waterproof  adhesives and overlaid with resin-impregnated paper on one or 2 faces which create a panel suitable for sign making, among other uses.  The impregnated paper overlay combined with a 2-step panel repair process ensures a reliable, paintable finish with no grain transfer from the plywood …

Concrete forming is a complex part of the construction industry and we supply the best overlaid plywood for the application at hand from recognized North American mills for quality assurance. Overlaid plywood involves a sound fir panel substrate with phenolic paper overlays of various types as a working surface. Overlays vary in resin content, chemistry and composition for different situations …

Sylvan’s most economical concrete form panel without an overlay. BBOES is a structural wood panel fully sanded front and back smooth wood B Grade Face, B Grade back with inner plies cross-banded for strength. Mill applied release agent facilitating easier clean up with sealed edges to resist water absorption. Some repairs, rough grain and sander skips allowed. Rated for exterior …