How To Polish Water Based Polyurethane. Whereas oil based polyurethane's require mineral spirits. Applying a polyurethane finish on wood can deliver amazingly smooth results. A polyurethane finish serves as a hard protective layer that absorbs the scratches and dings that would permanently damage a surface.
If you find you are running into lap marks then stop application.
A polyurethane finish can prolong the life of paint and prevent ultra violet rays from causing it to fade. See the best water based polyurethanes list to find out the best option! Using it at half strength will make gently go over the entire piece using small, circular motions. A durable interior clear finish that clean up carefully with a hepa vacuum and a wet mop. The final coat gives your workpiece its smooth feel and flawless appearance, so give it extra attention. If you're happy with how the job looks, wait a few days, then finish by polishing the surface with a polishing compound. If it seems necessary to apply a third coat of sealer, simply follow the process. Minimum curing period is mostly two hours while the maximum can last up to five hours.
