How do you get rid of brush strokes in polyurethane?

A light coating of finish after sanding disguises the area. Sand down the brush marks lightly with the fine-grit sandpaper. Brush the sanded area off with a soft cloth to remove all traces of dirt and grit from the sanding. Apply the polyurethane finish lightly to the brush, making sure to wipe off any extra. Click to see full answer. Keeping this in view, how do I get a smooth finish with polyurethane? How to Get a Smooth Polyurethane Finish Overview: Materials and techniques. Tip 1: Sand out pencil marks. Tip 2: Maintain a clean work area. Tip 3: Wipe the project with mineral spirits. Tip 4: Use a roller on large, flat surfaces. Tip 5: Finish both sides at once. Tip 6: Use wipe on poly for small or tight areas. Tip 7: Lightly sand with pads and paper. Secondly, what is the best applicator for polyurethane? A lambswool applicator on a wood block is the recommended method for applying oil-based polyurethane to a hardwood floor. But if you’ve recently bought a lambswool applicator, be careful. Similarly, you may ask, can you pour on polyurethane? To seal the wood before top coating, thin your oil-based polyurethane to one part mineral spirits and two parts polyurethane (first, gently stir the contents in the can). Pour the products into a glass jar and gently stir the mixture with a flat stir stick. NOTE: Never shake a can of polyurethane!Can you apply a second coat of polyurethane without sanding?Q: What will happen to a wood floor if you do not sand between coats of polyurethane? A: Nothing, provided you apply each coat of finish within a reasonable amount of time. If you get dust nibs or brush marks in the finish, sanding will smooth them, and your next coat will look better if you work on a smooth surface.