The first letter is the face veneer grade and the second is for the back veneer.
Canadian hardwood plywood grades.
The chpva is the national association representing the canadian hardwood plywood and veneer industry in all technical regulatory quality assurance and product acceptance.
In the united states there are four basic softwood construction plywood veneer grades you need to worry about.
Plywood is a necessity in many diy and construction projects but not every type of plywood works for every project.
For purposes of grading softwood lumber may be categorized into two categories of intended use.
The hardwood plywood and veneer association of america have created a set of rules called the voluntary standard for hardwood and decorative panels commonly known as grading codes which define allowable ranges of appearances and behavior for different species of hardwood plywood.
Click on the image to view our e publication designed to provide you with an understanding of popular hardwood plywood face veneer grades.
Plywood is a widely recognized engineered wood based panel product that has been used in canadian construction projects for decades.
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A b c and d.
Plywood grades douglas fir plywood dfp and canadian sowood plywood csp are the most common types of plywood used in construcon applicaons throughout canada wher eas poplar plywood is less common.
Find more information about hpva standards.
The many types of plywood can differ in materials number of layers rating and grade.
The full text of the guide s introduction written by ang schramm director of technical services appears below.
From the tree to works of art.
Occasionally you may run into a fifth grade called c plugged each sheet will have two grades such as ac.
A guide to understanding the hardwood plywood standard.
Plywood panels manufactured for structural applications are built up from multiple layers or plys of softwood veneer that are glued together so that the grain direction of each layer of veneer is perpendicular to that of the adjacent layers.
Dfp is produced to the manufacturing standard csa o121 douglas fir plywood where front and back faces are douglas fir.
Its members manufacture rotary sliced and jointed hardwood veneer as well as decorative panels used in manufacturing furniture panelling cabinetry doors shelving.
