Stains, paints or sealers which protect, color or enhance the natural beauty of structural wood panels. They minimize the weathering action which roughens and erodes the surface of unfinished wood. Different finishes give varying degrees of protection so the type, quality, quantity and application must be considered to achieve the desired performance. All exterior panel edges should be sealed if the panels will be painted or stained. Sealing while panels are stacked is easiest.
Preparation is minimal.
Recommended interior finishes include oil base paint, latex paint, stain and sealer. Inc. A one-hour rating, for example, means that an assembly similar to that tested will neither collapse nor transmit flame or high temperature for at least one hour after a fire starts. Plywood is an approved material in a number of fire-rated designs. Chemical treatment of wood and plywood to retard combustion. Obtain structural performance characteristics of FRT panels from the company providing the treatment and redrying service.