A stain coated with a varnish. Ad Buy Online now. Plywood Walls Painted Plywood Floors Plywood Interior Sand the plywood until it is smooth using your sanding block or a handheld oscillating tool with a sanding accessory. Best way to paint plywood . I would use a 2 coats of quick drying waterbased primerundercoat Glidden or Dulux for high opacity rubbed down between coats and then finish off with 2 coats of quick drying acrylic eggshell applied with a mohair roller for a good finish. Ad Buy Online now. Work in small areas about 2 feet square. Sand the primed plywood with 320 grit sandpaper to remove any areas that may have raised while painting the primer. Sanding the Wood and Cleaning. Let the paint dry. Astramax Jun 14 2013. Plywood will be cut to size according to your requirement and delivered. Learn how to paint plywood with this instructional guide from Bunnings WarehouseFor more DIY. We Are Your Local Singapore Dedicated Plywood Supplier For Your N...