I am very happy with it but have an issue with the finish. Keep in mind that it may take several passes with different types of grit. I put two coats of stain on it and now have applied three coats of polyurethane with a brush. After sanding (fine grit sandpaper or 0000 steel wool), wipe off the dust with a rag soaked in mineral spirits, then apply the final coat in a dust-free environment so that … How Do You Smooth the Final Coat of Polyurethane. I used a minwax pretreatment for the wood before staining as well. Heating, dropping rocks and chiseling the wood. I prefer the 320 grit between coats. For the final coat, if I really want a smooth coat, I will use a spray can, just for the last coat. It is rough to the touch now and I am trying to get it to be as smooth as possible. Polyurethane is like a liquid plastic, often either a pure synthetic plastic or a blend with resin. This is a perfect way to showcase your table’s woodwork, and you can do it on your own. You want to find a nice place where the polyurethane can dry slowly. I just completed the long endeavor of refinishing original hardwood floors that were under the carpet upstairs. Use a medium-width soft bristle brush. For the final application of polyurethane, sand the piece with wet and dry paper. After the final coat of polyurethane has dried, buff the wood with a buffing wheel. Spread the varnish over the entire surface with long, even strokes. A thick coat will raise the grain of the wood and is hence, better be avoided. Even if you just want to stain the wood a new color instead of painting it, you will need to sand away the thick yellow coat of polyurethane. How do I apply a second coat of polyurethane? Try to get the "non-filling" type, like the waterproof or aluminium oxide. From memory, the directions I always see on cans of poly is to sand between coats, not to sand after a final coat. After the final coat of stain, the cabinet feels rough to the touch and doesn't have the smooth feel I … ... 59% - Why does the stain feel rough after final coat? You will want to apply about one or two coats to the surface that’s painted as this is a good way to protect the paint. So it can be frustrating having to sit around twiddling your thumbs whilst you wait for those poly layers to dry in-between coats. So in a nutshell, plan on 1 day to dry between coats, and plan on 30 days to fully cure. Sand the previous coats to make sure there is a perfectly flat and even base for the final coat. Seal coats must be utilized with wood, cork, concrete, items with raised or embedded decor, or tile. A heavy grit sandpaper should be used first to really rough up the surface and get off as much of the polyurethane as possible. For the stain I used minwax polyshades stain and polyurethane in one. ryanmc.75. Polyurethane is one of the hardest protective finishes for wood furniture that the average do-it-yourselfer can successfully apply. 2nd Coat of polyurethane rough and grainy Q: We sanded, stained and oil based polyurethaned a wood floor with 2 coats. I will not stress the finish (with things like heat or cleaning chemicals) until the 30 day mark from the final coat. After the first coat dries within two hours, apply the second coat. Do not sand the last coat of polyurethane varnish. If you wait for each coat to dry properly, you don’t need to … You will want to apply Polyurethane to your woodworking project to ensure it is properly finished and left looking shiny and new. First Coat. Apply the First Coat of Polyurethane. If the polyurethane dries too fast, it can result in those textured bumps and it can make the poly feel rough. Also, you can apply polyurethane on any type of paint. Clean your work surface – Polyurethane accentuates all the features of your surface – including the inconsistencies. I applied the 2nd coat of satin poly (Minwax Super Fast Drying Polyurethane for Floors) and the floor feels mostly smooth except for some "rough" spots.I can see dust bubbles but those areas FEEL smooth - which I can live with. Apply a new coat of polyurethane over the area you sanded. Final Coat. If the sanding was minimal, you … Sanding the final coat will leave you to have a dull and rusty looking coat on the table. Floor rough after 2 coats of water-based polyurethane Q imported from our old site, Face Lift Floors: We have sanded and stained our oak wood floors. Within 24 hours of applying the seal coat, brush on a coat of finish right from the can. When applying polyurethane on vertical surfaces, you may experience drips or runs. 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