Sand polyurethane lightly between coats with 220- or higher-grit sandpaper. You should see a fine, white powder after sanding — if not, allow it to dry longer between coats. For the smoothest finish, wipe the surface with a sticky tack cloth before adding another coat.
Getting a smooth, blemish-free finish with oil-based polyurethane is within your grasp if you follow the steps in this article. Oil-based. Staining Wood. How to .
Apply stain and poly. Move to a low-dust setting: somewhere without lots of foot traffic and with dust-free surfaces. You can create such an area by hanging an .
Learn all about polyurethane, the long-lasting finish ideal for everything from. Good for: Light-colored woods and stains where ambering would be undesirable.