In normal plywood, the ATSM or BB standards only apply to the face veneers used to finish the product. The core can be of whatever quality is convenient for the manufacturer. True Baltic Birch is ...

But if I’m making one-piece doors, I’ll choose MDF core ... However, it’s a good choice for long shelves. Baltic Birch and Appleply are top-notch veneer core plywoods, which you’ll only ...