Douglas Fir plywood is cut and milled in the Pacific Northwest. Douglas Fir is inherently strong and has a large diameter log; when used for plywood, it produces a sheathing product that is naturally strong, visually appealing, and very reliable.
Features & Benefits:
-Strong, stiff, and sturdy
-Less susceptible to warping than Yellow Pine
-Ideal for roof sheathing
-Available in multiple grades
Fir Plywood - Safety Data Sheet
Fir Plywood Flooring Installation
Underlayment Installation Tips
Roof Sheathing Installation Tips
Grade Descriptions and Applications
-C-grade veneer face, D-grade back, exterior glue. Used for exterior wall sheathing, roofing, and underlayment
-A-grade veneer face with a C-grade back. Used for cabinets, soffits, furniture, countertops and other applications where a premium face is required. A-face has any imperfections and knots removed and replaced with patches.
-A-grade veneer face with a B-grade back. Exterior rating and uses an exterior glue that is a water-resistant adhesive. Used for hulls of boats and other applications where a watertight panel is necessary.
-B-grade veneer face and back. This product has an oiled face and is used for concrete forming. A typical BB Plyform panel can be re-used up to 7-8 times when handled correctly. BB Plyform leaves a slight wood grain finish.
-Stands for Medium Density Overlay. This panel will have a fine cardboard like face on a regular CD panel. The face is smooth and takes paint exceptionally well. Used for signboards and can also be used for concrete forming.
-Stands for High-Density Overlay. HDO has a specially engineered face designed for multiple reuses during concrete forming. Leaves a "steel-form" finish after pouring.