Built like a Mercedes 3684Yes Daniel but... Well, keep in mind that Toronto is a bit more cosmopolitan than say, where I live. You ask the...
In Canada all plywood is designated in metric sizes today. If you buy 3-4" Canadian plywood it's not 3-4 inch any more. It is 18mm. Standards are 3-18mm.
Built like a Mercedes 3685crap. I do not know anyone that uses F ... everyone, and I mean everyone uses C. What the hell, why do the US use an old antiquated german system of temperature... Farenheit...
Mabee I overstepped when I said ALL, because we get plywood from all around the world. But all CANADIAN standard plywood is now officially metric.(as is finnish , russian, and most asian supplied hardwood ply) Many US suppliers also provide plywood in metric sizes (as well as "imperial") These include AmerPly (NJ), Boise Cascade , Champion Intn'l(Wa), Multinomah(Or), Murphy (Or), Oregon Strand, Potlach (Wa), Roseburg (Or), Stone Forest (Or) and Vancouver Standard (Wa).
If you get plywood from these suppliers it could be either standard.
In the US, the General Services Administration, GSA Metric Program (ADM 8000.1B) required that all procurement in the construction industry be in metric measurements by Jan 1, 1994.That doesn't mean it has necessarily happened, but MANY federal projects DO require metric design (PBS-PQ260)
Never start a plywood project buttuming the plywood to be one or the other without measuring, and buy all plywood for a project at the same time (measuring to be sure it is the same) so you do not cut rabbetts etc the wrong size.
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