Beger Diamond Premium Polyurethane P-88

1. Surface preparation 1.1 If the wood has been painted before and the film is peeling, or it is old wood that has never been painted, sand it back to the bare wood. For new wood, sand off excess wood fibers. Then clean the surface so it is free of grease, dust, oil and foreign matter. 1.2 If the polyurethane film is in good condition, scuff the film with No. 320 sandpaper and then clean the surface so it is free of grease, dust, oil and foreign matter. 1.3 If the wood has resin, wipe off the resin with Thinner M-77

2. Primer: 2.1 Apply 1 coat of Beger B-2000 wood resin-blocking primer and leave for about 1-2 hours. 2.2 Fill holes or nail heads with Beger Wood Filler, leave for 30 minutes, then sand and clean. To match the filler shade to the wood, fill after priming, because wood naturally darkens once primed

3. Topcoat: 3.1 For the first coat, mix Diamond Polyurethane with Beger Thinner T-85 at a ratio of 3:1, let it dry for about 3-4 hours, then lightly sand with No. 320 sandpaper and clean. 3.2 For subsequent coats, mix Diamond Polyurethane with Beger Thinner T-85 at a ratio of 4:1 and let each coat dry for about 3-4 hours before the next. 3.3 Apply at least 3-4 coats for the best protection. For a matte or semi-gloss film, brush or spray the final coat with Beger Polyurethane B-5000/I-511 (matte) or B-5000/I-513 (semi-gloss)