Austral Premium Structural is a cost-effective and versatile exterior appearance-grade plywood, manufactured with a ''B" face and back. It is very popular in marine applications, gymnasiums, workshops, schools, and shop fit-outs.
Full hoop pine construction makes for a very stable plywood panel, and the closed grain veneer produces a superb paint finish. Overall, it is an extremely workable and tool-friendly panel. selector.com/appearance-grade-plywood-premium-structural