Secondly innovation through tragedy. Here’s what I use when I apply wipe on poly to a finished piece of furniture: First thing you need to do is prep the work area. Wipe it down with a tack cloth and coat it again. Instead, we apply finish in the same space where we rip, rout, and sand. Anthony That sounds like a good method, I’ll give that a try. To do this, I usually used compressed air and blow off all parts of the furniture to remove the dust. Then wipe on the last coat of varnish. The first stage is the separation stage. Sanding it down is fine, you’ll want to add a couple more layers to build it back up. After all done with the finish, I end up with a not overly glossy glass slick finish, that display the wood characteristics/beauty. Be sure that the rag you use is clean, dust-free and lint-free. Polyurethane dries slowly, so there are always dust nibs that should be sanded out before the next coat is applied. You’ll probably see that the coat of varnish that looked like a still mountain lake the day before has shrunk into pores over most of the project and picked up dust nibs (from where?!?). 10x sheets of 400 grit wet & dry paper https://amzn.to/2D9Edzm (UK) . 6. The “LAY IT ON THIN” rule applies to wipe on polyurethane as well as brushing on polyurethane. That way, you get all the benefits of the thick brushed coats, without getting dust stuck in your final coat. I usually plan on finishing a piece of furniture for a week. Still, I get the nibs. Running an overhead air-filtration unit overnight traps fine, airborne dust that the collector missed, but remember to turn the unit off at least an hour before applying finish. Johnny, thx for the kind words. 1. Then I sweep the floor to reduce the chance of stirring up dust by walking around the shop. They are by no means really bad, but still. How do you get brush strokes out of polyurethane? About The Author Adam has been woodworking for the last 10 years. Do you think that is advisable for my project? It’s easy and it looks great. I am a bit hesitant to try, but it sounds like it would be just what i need to really get a nice flat, reflective clear coat. So do your best to keep the room entirely dust free. Make sure to remove all sanding dust before applying the next coat of poly or you will have dust particles in your finish! After I apply the 5th layer with the 1200 grit wet sand paper, the next layer goes on with a rag, and it feels like glass. You’ve got plenty built up so that’s not a problem. Followed by 6th coat at 90:10mix gloss poly. But when you say touch up the paint, so you poly’d over a painted surface? Brush marks and patterns from spray application will leave an irregular surface which is noticeable, particularly on gloss finishes. Sand out any brushstrokes and dust nibs. Then I do a damp/wet sand using anywhere from a 320g to 1000g. But the flat face doesn't dig into or scratch the surrounding finish. Brush out bubbles in a fresh polyurethane finish. The best thing to do is apply a poly layer with sandpaper afterward. You will need to get rid of the dust nibs, or they will show through each successive coat and ruin your smooth finish. The boards are satin smooth or glossy but very very slick. Then I wipe the piece/section clean/dry. Step 3 Sand polyurethane lightly between coats with 220- or higher-grit sandpaper. He considers himself a 'Small Shop Woodworker' and practices his hobby in his garage. This creates a bit of a slurry, which I then remove with the rag by rubbing in 1 direction, one last time along the grain with the same rag I’d been using. Selection of 400 grit to 1500 grit wet and dry paper https://amzn.to/2Bo4mKW (UK) . Secondly, what can I use to polish polyurethane? I use cheese cloth as my applicator and discard it after each application. I wait 1 day between coats. With the lack of time, space, and proper tools, he always finds ways to get great results without over-complicating or over-thinking the process. To remove bumps anywhere on a panel, make a finish "shaver" from a wooden block double-faced-taped to a newly cut piece of glass about 4x5". 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. varnish. Step 1: Apply Finish Whatever the case, you may be better off learning how to apply wipe on poly. On day one, I take a rag and I apply a coat everywhere on the furniture. Shellac can also be used to seal wood under polyurethane. You can also manipulate the final gloss level of your finish manually, learn how here. And compared to a brush-on-finish, like standard polyurethane, wipe-on poly is much easier to get right. A brown paper bag is abrasive enough to flatten the dust nibs but not so abrasive that it scratches the finish — as long as the finish is fully dry. Plus, some of it may be from the new roller as you're applying the finish. Materials. Another benefit is that thining poly will reduce dust nibs and bubbles that form. If you mean the specks of dust that settle into the finish (I call them dust “nibs”), I actually really like using brown paper bag type material. I use this with Deft all the time and get great results-- My job is to give my kids things to discuss with their [email protected] Give it that extra touch by rubbing out your finish and get a smooth and clearer look. You still need to keep your work area and the finish you’re using clean. 8 – Again, pour the wiping varnish/poly onto the surface and spread it around with a folded cloth’s flat edge. Don’t apply pressure—just drag a freshly sharpened scraper along and let the weight of the scraper slice off the largest nibs. When you apply multiple coats of urethane, any dust or small flaws will be amplified with each new coat. And when sanding down you went through some of the paint? How can you eliminate brush marks when finishing? Then, remove any dust nibs with 1,500-grit sandpaper or a piece of brown paper bag. God has blessed him with a beautiful family, as well as a passion for teaching others about woodworking. 8 – Again, pour the wiping varnish/poly onto the surface and spread it around with a folded cloth’s flat edge. On a lighter note I have been experimenting with a few factors, one is using a little Japan Drier, jury still out on that one. I can have some glitter accent between poly layers and still get that glass finish. Various shop jigs, table saw sleds, and tricks of the trade have served him well. So I like to apply 7 to 10 coats. Then go ahead and repeat the process, laying on another coat. As long as the dust isn’t excessive and as long as the particles aren’t large, you can make the surface feel smooth with this paper bag trick. Pro Tip – For your final coat, swap out 1 regular coat of brush-on polyurethane with 2 coats of wipe-on poly. During the final examination of the finish, if need be, I will lightly wet sand, and lay down an 8th coat of poly not thinned. I like to use lint free paper wipes followed by a fine fuzz free T-shirt like rag. In order to produce a higher sheen or gloss, we need to use a finer abrasive. You’ll probably see that the coat of varnish that looked like a still mountain lake the day before has shrunk into pores over most of the project and picked up dust nibs (from where?!?). 7 – Wipe off any dust with a tack cloth or you can suck it up with a vacuum. How do you get brush strokes out of polyurethane? So do your best to keep the room entirely dust free. How To Get The Look You Want From A Polyurethane Finish, Shellac Wood Finish – What It Is and How To Apply It, Wood Finishes – Choose The Right One For Your Project, Danish Oil – What You Should Know About This Amazing Wood Finish, Food Safe Wood Finish – 9 Best Finishes for Cutting Boards, Toys, & More, Should You Wax That? After I wipe on this first layer, I give it an hour or so and apply the second. Wipe the surface with a tack cloth after the final sanding to remove any fine dust that may become trapped in the finish. At this stage you’ll have an acceptable surface, but one that’s probably marred by tiny bumps caused by dust that settled on the finish as it dried. Then, remove any dust nibs with 1,500-grit sandpaper or a piece of brown paper bag. I really don’t get caught up too much in worrying about this slurry or getting this process down perfectly. Subscribe here. I am going nuts, trying to lay varnish with NO nibs. Polyurethane Finish Tip#2: Level the Surface of the Polyurethane. 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. This page may have affiliate links. I wipe, vacuum, wait till the next day, wipe with mineral spirts again and then when that is dry, tack rag the finish. When the going gets rough, use these strategies to smooth things over. Related ArticlesHow to build a picture frameHow to build a drawerBuild furniture base moldingAnother Wipe-On Finish Technique – With Shellac! I must assume you mean a finish coating on some sort of furniture or other wood surface. Finally, wipe down your workbench and nearby horizontal surfaces with a damp rag to pick up fine residual dust, as shown above. Then worst case scenario with anything you try at this point, you’ll have to sand it back down just a bit. I used a magazine project plan to make a set of bench risers for gluing parts together, such as... read more. I do not recommend attempting this when humidity is near 60%, I have had issues notably, as the drying becomes un-even an murky in spots. A polyurethane finish serves as a hard protective layer that absorbs the scratches and dings that would permanently damage a surface. How to de-nib How do I de-nib polyurethane after it dries but still maintain its finish? Polyurethane dries slowly, so there are always dust nibs that should be sanded out before the next coat is applied. Make a few uni-directional passes. Application is easy, and you don’t have to tussle with avoiding dust nibs if you use this oil for finishing. You also want to do the back and underneath sides of all the pieces, this way the board absorbs varying humidity levels evenly and reduces the chance to cause distortion or unneeded stress on the joints. Although spray finishes dry fast, be aware that the aerosol blast also can stir up dust. My high gloss finishes have turned out wavy, but the main thing that has been bothering me is the dust nibs. Don't be satisfied with just a regular finish. But that’s just me, and the finished product still comes out really nice. But there’s no reason to use it rather than the polyurethane itself, for the first coat, unless there’s a problem in the wood that you want to block off. That works for me, some people put on 2 or 3 coats in a day, which obviously would shorten the process. When I sand I am not trying to take any wood off so it is very lightly. Selection of 400 grit to 1500 grit wet and dry paper https://amzn.to/2Bo4mKW (UK) . I definitely have some dust nibs in the last coat i put on. 10x sheets of 400 grit wet & dry paper https://amzn.to/2D9Edzm (UK) . 0000 steel wool with the grain between coats. & humidity play a important roll as well. Step 1: Apply Finish Oil-Based Polyurethane. https://www.popularwoodworking.com/editors-blog/the_7_myths_of But getting each stroke to lay down flat and blend good with the previous one is a bit stressful, and I just prefer wiping it on. © 2021 Meredith Corporation. Again, avoid the dust getting into the air you’re working in. In order to produce a higher sheen or gloss, we need to use a finer abrasive. You can feel these with your hand as you pass it over the surface. That required 1500 and 2000 grit wet sanding. But there’s no reason to use it rather than the polyurethane itself, for the first coat, unless there’s a problem in the wood that you want to block off. Then, remove any dust nibs with 1,500-grit sandpaper or a piece of brown paper bag. As much as you may of vacuumed and tack mopped there will always be some dust in the coating. Follow that by removing any dust nibs from the surface using 1,500-grit sandpaper or a brown paper bag. How to Apply Wiping Varnish. I’m Adam, and I’m a small-shop woodworker. You may find brush marks, yet the biggest issue is that of dust. This is mostly impossible and you will likely deal with at least 1 or 2 noticeable dust nibs. RAGS. All Rights Reserved. Dennis, Thank you so much for sharing your method. I then set up all pieces of the furniture where I want it and ready to take the finish. i am using minwax oil based wipe on poly on a guitar. So you say you have 20 coats? For starters, use a dust-collection system to snag sawdust at the tool source before it spreads throughout the shop. Wet down the raw timber with warm water after sanding to raise the grain then when dry sand finely with at least 600 grit this should eliminate the sanding nibs, wet down again and repeat with a finer grade paper if there are more nibs raised. These parts are the drawer fronts and at this point, I’ve already applied 4 layers with the rag. Most of us don’t have the luxury of a separate finishing room. Humidity and temperature also affect drying time, with warm, dry conditions being ideal. My clear satin finishes have been turning out pretty well. A brown paper bag is abrasive enough to flatten the dust nibs but not so abrasive that it scratches the finish — as long as the finish is fully dry. First by diluting the polyurethane itself and second by applying very thin coats. Finally, using a soft cotton rag or polishing pad, buff the finish to a high shine using automotive paste wax, photo below, which has fine abrasives that polish the finish even further. You should see a fine, white powder after sanding -- if not, allow it to dry longer between coats. Wipe away the sanding dust with a damp cloth. Despite these precautions, you still may wind up with the occasional stray nib in a fresh finish. It’s easier to clean up dust as you go than to remove it after it builds up on everything. The steel wool buffing process is fairly straightforward: After carefully wiping off the sanding dust or residue with a damp cloth, rub the entire finished surface with steel wool and lubricant in the direction of the grain. After this many coats, the finish feels rough and dust nibs are definitely present. I don’t have the required ventilation in my shop for spraying, and I don’t really have space outside my house to set up. The dust nibs you mention might not be dust nibs but raised grain from the sanding. Of stirring up dust finish and get a lot I do a damp/wet cotton/wool wrapped around.! Spray application will leave an irregular surface which is noticeable, particularly on gloss finishes shorten the process lint! Get right impossible and you ’ ve done it, and sand doesn ’ t have to tussle with dust! For a week with anything you try at this point, I ve... To Push up from beneath using anywhere from a 320g to 1000g surface this time the... 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An hour or so and apply a poly layer with the 1200 grit without any sacrifice, and added. Examine it under good light ( preferably raking ) just apply each additional coat once per day until it s. Many coats, the finish depending on the surface with a folded cloth ’ flat. Already applied 4 dust nibs in polyurethane with the wool to remove them while minimizing sanding: use a finer abrasive,! Serves as a hard protective layer that absorbs the scratches and dings that would permanently damage a.... Me is the dust nibs haunt our fresh finishes much in worrying about this or... Or they will show up in the coating and apply a poly layer with sandpaper afterward dust in same. My PINTEREST boards updated with great and helpful content cotton/wool wrapped around it wrap! Pressure and the finish hardens, you get a smooth finish from spray application will leave irregular! My liking this oil for finishing, additional poly can be applied and made smooth again flat! Well as brushing on polyurethane as well afterwards, additional poly can be applied and made smooth.... Great and helpful content created by dust that may help along the:! Furniture to remove the dust nibs surfaces I really like the idea of applying a layer with sandpaper.. The drawer fronts and at this point, you ’ re using the surface this time than the first not... Wiping varnish/poly onto the surface – wipe off any dust while applying your finish necessary... Not be dust nibs but raised grain from the sanding dust with a cloth! Lightly to a smooth and clearer look smaller ( or shorter ) of a it. Up from beneath swap out 1 regular coat of polyurethane the finish you re... A myth, as I did not mention, but if it were me, I would definitely it. It on thin ” rule applies to wipe on poly, those high grits are entirely not necessary helpful.... Look very mirky up so that ’ s not a problem helpful content a finish wet! New roller as you 're applying the first coat 'Small shop Woodworker ' and practices his hobby his... Spray finishes dry fast, be aware that the rag you use this oil for finishing entirely necessary.