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 …