A: BC plywood is an exterior product intended for applications where the panel will be exposed to weather and moisture. BC plywood is exceptionally strong and stiff. It is generally available in 1/4-, 3/8-, 1/2- and 3/4-inch thicknesses. BC Plywood Uses Sanded BC plywood is a utility panel used as exterior wall sheathing or as a base for attaching siding materials. It is used in residential and commercial construction for new structures and for remodeling existing structures. It is often used for soffits, building stairs, as the support structure for cabinets and other built-ins, for shelving and for paneling.
A: Robert, The largest plywood Georgia-Pacific manufactures is 4' X 8'.
A: I believe it is. I used mine outside and no concerns, but remember it is not pressure treated.