Stained door feels rough after a coat of polyurethane. 2nd Coat of polyurethane rough and grainy Q: We sanded, stained and oil based polyurethaned a wood floor with 2 coats. however, this can take several hours to dry. – user2251 Jun 8 '16 at 8:19 @Graphus Having done another coat today, I think that the roughness is dust that is adhering to the varnish. If you wait for each coat to dry properly, you don’t need to … If the sanding was minimal, you … Allow your stain to cure overnight before applying the first coat of polyurethane. I was concerned that it'd still be rough after the 3rd (final coat), but the problem seemed to diminish after 3 coats, so after the 3rd one the finish was smooth. If you’re applying a wipe on poly finish, and doing it the way I teach here, you may find that you’re left with an ideal look after several coats, and nothing more is needed.. Afterall, you can buy polyurethane in gloss, or in satin, and it’s supposed to cure with a nice even sheen.. Whether your polyurethane finishes are water- or solvent-based, this process will leave you with a high-gloss finish. Do not sand the last coat of polyurethane varnish. It is harder, more durable and … I used a minwax pretreatment for the wood before staining as well. How many coats of polyurethane shoudl i put on my floor? Use a clean foam brush to apply the polyurethane coating. A coat of polyurethane dries slowly, allowing dust to settle and requiring 24-48 hours between coats. Even if you have used two or three coats of polyurethane, you will still need to apply the seal coat. A thick coat will raise the grain of the wood and is hence, better be avoided. You want to find a nice place where the polyurethane can dry slowly. We have put on 2 coats of water-based polyurethane. Make Your Polyurethane Finish Thick Enough. Synthetic steel wool will help you to make the surface “rough up.” It will block the polyurethane form edging on the wooden surface. Within 24 hours of applying the seal coat, brush on a coat of finish right from the can. Before you spray your second and third coat of poly, run a piece of 400 grit sandpaper (this sandpaper is my favorite brand/type) all over your poly. With oil based polyurethane, I will typically bring my furniture project into the house after 7 days. Apply the First Coat of Polyurethane. Pro tip: Avoid wiping the brush on the rim of the can as this may introduce air bubbles. How Many Coats Of Polyurethane Are Needed To Achieve A Beautiful Finish. 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 … Read Also: Staining Wood Dark – 7 Tips to Get Darker & Richer Finish. A flawless surface is elusive. How to Apply polyurethane and avoid Bubbles in the Dried Polyurethane. It forms a protective finish that is as hard as glass. After the first coat dries within two hours, apply the second coat. Clean your work surface – Polyurethane accentuates all the features of your surface – including the inconsistencies. Furthermore, do you sand after last coat of polyurethane? I am very happy with it but have an issue with the finish. Applying this substance will ensure a protective coat is added and the wood will last longer. For the final coat, if I really want a smooth coat, I will use a spray can, just for the last coat. Minimize this problem by applying thinner coats or by switching from standard brush-on poly to a wipe-on or spray finish, both of which can be applied in very thin coats. Coat with some 0000 steel wool left looking shiny and new the grain of the protective. 7 Tips to get Darker & Richer finish ( with things like heat or chemicals! Natural beauty of the can 7 Tips to get Darker & Richer finish a rough surface you will still to... 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