How do you seal maple plywood?

Sand all sides of the plywood using 80-grit sandpaper. Repeat sanding with 120-grit sandpaper. Wipe off any plywood dust with a clean cloth or rag. Apply sanding sealer in even brush strokes to coat the surface of the wood, using a clean paintbrush. Use 120-grit sandpaper again to lightly sand the sealed surface. Click to see full answer. Then, what should I use to seal plywood?Seal the edges of your plywood using exterior polyurethane varnish. Use a small stain brush to apply the varnish to the plywood. However, keep it off of the surface of the plywood sheet by taping the surface with masking tape.Also Know, does maple plywood stain well? Problem woods Some types of wood, like pine, cherry, birch and maple, are notoriously difficult to stain. A board that has a nice, attractive grain pattern can end up with dark, splotchy areas after you apply the stain. But the best test is to apply stain to a sample of the wood you’re using. Moreover, what is the best finish for plywood? Exterior Plywood Finishes Painting – Painting is one of the most common finishes on plywood. Water Repellent Coat – Water repellent coatings are solvent mixtures from mineral spirits, paint thinners, wax, or drying oil. High Density Overlay or HDO – This is the most popular type of overlay. Can maple be stained dark?Maple is one of the most difficult woods to achieve a dark, uniform stain color on because it is a dense, closed grain wood and often absorbs stain very unevenly. In the future, just use our water-based stains or gel stains on their own. Do not use liquid oil-based stains on Maple because they will blotch.