Regular plywood is usually made locally from the cheapest possible core wood in alternating grain layers laminated together with a hardwood veneer on the top. There are interior and exterior grades.
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The Homeowner’s Guide to Plywood Core Options
Their 1/16-in.-thick core options veneer offer better stability than typical plywood with 1/8-in.-thick core veneers. The raw ...
Plywood is made from logs that are cut into blocks between 8 and 10 feet long. A lathe is used to peel-off long, thin, continuous sheets called veneer. Clippers cut the veneer to the required width, ...