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rubbing out water based polyurethane


Water-base finishes must be applied with synthetic bristles. Polyurethane is the modern product most often used as varnish, or clear finish, on … Most of our tabletops are finished with polyurethane varnish. In general terms, the longer you let a water-based finish cure, the easier it will be to rub out (within reason, of course). *How you rub out a water-based finish depends on several things. The problems with water-based polyurethane are that it doesn't level out as smoothly as an oil-based finish, and it doesn't protect as well against the elements. Rubbing the Finish. There are several techniques by Jeff Jewitt of Homestead Finishing Products: DRY BUFF WITH MIRKA ROYAL MICRO PAPER. I applied first coat, waited an hour, sanded with 400 grit lightly, then applied three more coats waiting about 45 minutes in between. A flawless surface is elusive. How many coats did you apply? Good luck,Andy Charron. Natural bristles will absorb the water and swell up. It dries fast so you can apply three coats in a day. Take it to a high enough grit and you’ll be polishing the surface to a super high gloss. X. The only way to get rid of them is to apply another coat and start over. Here are some of the steps by which the customers can easily get rid of the water-based polyurethane finish: Use The Sandpaper: The customers need to start by using a 400 grit sandpaper and rubbing it vigorously all over the surface of the Polyurethane finish in … Watco oil with Min Wax water-based wipe-on poly, Complete Illustrated Guide to Woodworking USB, Editor's letter: Finding sanctuary in the shop, From the Editor: Publishing during a pandemic, Save 56% off the magazine newsstand price. Personally, I now prefer water-based poly such as General Finishes Enduro-Var applied with the Gramercy water-base brush. To reveal flaws (bubbles, brush marks, etc.) Repeat 4 or so times. It is resistant to water, alcohol, household chemicals, scratching, chipping, and wear. Fortunately rubbing to a satin finish is easier:1--Sand the surface flat so there are no ridges, brush marks, depressions, dust specks, etc. *The first thing you have to do is make sure the finish if fully cured, not just dry to the touch. Rub to an Even, Flat Sheen. Polyurethane is the toughest, most flexible, least obtrusive, and most durable clear-coating available. Finishes that are soft, or tough and flexible can be rubbed out, but they don't always take a uniform sheen and … How Long Do You Let Polyurethane Cure Before Wet Sanding?. If your paper gums up with little globs of material, toss it and get another sheet. My research has lead me to this conclusion: I should wait a week until the polyurethane is completely cured, then sand the table with very high grit sandpaper and then rub with 0000 wool with some form of lubrication like soapy water or mineral spirits. I found rubbing with the grain was fine, no need to make circles or figure eights. ⚛ The information about Rubbing Out Polyurethane Finish 7 Easy Steps To Rub is completely presented here. After finishing the 2000 grit pass, rinse off and let dry. It is a panel of pine boards glued together. Quick Tip! Rubbing out a poly finish can be done, but as you suspect, there's a hazard built in because of the difference in the finish. I brushed on 4 coats of water based polyurethane (hi-gloss) over a waterbased stain. Thinning the polyurethane makes it flow on more smoothly and reduces brush marks. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. The smooth, clear look that you see on expensive furniture and high-end musical instruments, such as pianos and guitars, is achieved by rubbing out the finish. Most of the time, you have to “finish the finish”. Rubbing out the finish. ... "Rubbing out" is an abrasive process so poly will fight it. Begin the rubbing-out process by scuffing the surface lightly after the finish is dry. It looks dry to me, you need more coats if you want uniform shine. There are three strong reasons for doing so. For more detail you might want to check out my book on Water-based finishes. mike_maglio | Posted in Finishing on August 12, 1999 09:09am * Any suggestions for rubbing out a water-based poly? Rubbing Out By Hand Using Traditional Materials The point is to remove ... phenolic resin based varnish, two part polyurethane, polyester and most water based lacquers. Though, after application, one needs nothing less than three coats to achieve a perfect finish for water-based liquid, that’s not the case with the latter. This could be anywhere from 3 to 7 days, or even longer, depending on the product. I was considering wet sanding with 600 grit wet-dry sandpaper. Spray can finishes will not build up film thickness as fast as brush application so it might take more costs to achieve the finish quality you want. Yes you can rub out a water base polyurethane but not to satin. I would like to help but need to no more.Andy Charron. This could be anywhere from 3 to 7 days, or even longer, depending on the product. rubbing out water based poly? If it's well cured you should have no trouble rubbing out a polyurethane finish. After the glue up I hand sanded thoroughly from 120grit to 220grit. Before the 5th and final coat I sanded again with the 400 grit paper. The longer you wait the better. Shellac, solvent and water-based lacquers and two part finishes should cure at least a week. Rubbing the finish removes dust nibs, brush marks and other imperfections, levels the surface, and gives an even sheen. Replies. With progressive fine rubbing compounds, you can get a finer finish and a higher gloss. I did it for the same reason you want to, to eliminate some finishing defects and give a uniform flat, smooth surface. 10. Any suggestions? Polyurethane is a reactive finish; the finish is actually in layers. Make Fine Woodworking a part of your holiday. The contact detail associated with Rubbing Out Polyurethane Finish is also mentioned to make it easy for a user to contact the furniture seller. UNLIMITED membership - Get access to it all. You can rub out all types of film forming finishes, including shellac, lacquer, oil based varnish and polyurethane, waterbased coatings and catalyzed or conversion coatings. You're doing it perfectly, nice thin coats is the way to go with a spray can. If you want you can use water, oil or wool lube as a lubricant to make the rubbing easier. Soaking the brush also softens the bristles to make your application even better. * Any suggestions for rubbing out a water-based poly? Press question mark to learn the rest of the keyboard shortcuts. This is where the finish begins to come to life, taking on an attractive, flat sheen with no visible defects. Am I on the right track? Has anybody out there tried this or any other methods? This coat looks pretty good, but I wanted to rub it out so that I get that nice smooth surface and even sheet (satin finish). Tackcloths can be used on oil-based poly but not on water-based. Thank you very much for the advice! Keep applying more coats with light sanding between coats and it will smooth out. In this article I’ll show you how it applies here to a polyurethane wood finishes — either oil-based or water based. This is a water-based spray lacquer that performs like traditional lacquer. Using coarse steel wool helps as larger fibers will be easier to detect. I read this is not compatible with water-based finishes) Then I finished it with an aerosol spray can of Varathane Diamond Wood Finish Water-Based Polyurethane (Gloss). Has anybody out there tried this or any other methods? Water-based finishes can be a bit difficult to rub to a high gloss, especially finishes that contain a high percentage of urethane resins. Click for full details. Subscribe today, now up to 64% off newsstand. Use a simple shopmade jig to create cabinets that stand the test of time. When the surface feels smooth you are ready to nib. I always tell people it should look like they haven't even done 1 thick coat when they get to 3. Clark Kellogg shows you how to make your own metal hardware using many of the tools you already own, plus a handful of others. Enter now for your chance to win more than $2,000 worth of woodworking equipment from Woodpeckers. Our biweekly podcast allows editors, authors, and special guests to answer your woodworking questions and connect with the online woodworking community. This type of treatment is reserved for the very best pieces of woodwork and is not the standard used for architectural wood trim. Plus tips, advice, and special offers from Fine Woodworking. Stop sooner at a lower grit and you can achieve the perfect semi-gloss, satin, or matte finish. In reality, simply applying a few coats of clear finish and waiting for them to dry rarely leads to a smooth, consistent look. On the downside, water-based poly tends to raise the grain of the wood, is susceptible to watermarks, and can be … Or, get everything with UNLIMITED, including 40+ years of the online archive. *Andy, I'm putting a finish on a desk I recently made. If the finish is gummy and loads up the paper in the initial leveling, it’s not dry enough. Rubbing out a water based poly finish. ML Campbell also sells water-based products that the pros use, but to my knowledge they only sell in large quantities. I was considering wet sanding with 600 grit wet-dry sandpaper. The final step is to buff out the 2000-grit scratches with polishing compound. Pine is a very soft, porous wood, so it soaks up a lot of finish. Some water-based products bond, or melt-in, between coats while others simply lay one coat on top of the next. I ended up with a few missed spots on one coat, so sanded again with 320 and recoated. UNLIMITED Membership is like taking a master class in woodworking for less than $10 a month. Let the brush soak until air bubbles stop coming out from the ferrule, then remove the brush and gently wring out the solvent. Sand with medium grit sandpaper and recoat. Put a few more coats on, concentrating on the areas where it's most dry. Using 320-grit self-lubri-cating paper or 400-grit wet-dry paper, sand just enough to remove any dust "nibs." Use a backer block, and start standing, apply a sprinkle or two of water to keep the sanding action lubed. Begin rubbing-out with medium-grade, (00 steel wool equivalent) synthetic abrasive pads (Photo 4). The second (and subsequent) coat(s) remelt the coats preceeding it, allowing the finish to flow together. How was it applied? In general terms, the longer you let a water-based finish cure, the easier it will be to rub out (within reason, of course). a damp cloth. You'll know the surface is flat when it appear dull, with no shiny spots. 11. What kind of finish is it? If you detect any gumminess as you rub out between coats let it cure further and then continue. And don’t drag the brush on the edge of the can. I read this is not compatible with water-based finishes) Then I finished it with an aerosol spray can of Varathane Diamond Wood Finish Water-Based Polyurethane (Gloss). The steel wool will give you a soft, satiny shine.Just be careful when you start the sanding process that you don't cut through the top coat. Prepare the polyurethane by reducing it about 10 percent with mineral spirits, unless you're using water-based polyurethane, which doesn't need thinning. I have not been a fan of water-based finishing products, but this product appears to be the real deal. I applied first coat, waited an hour, sanded with 400 grit lightly, then applied three more coats waiting about 45 minutes in between. Begin with a small area, make 2-3 passes, then evaluate results. Rub to a Satin Sheen. If this is the case and you cut through the top coat, you will be left with witness lines. Let it cure longer. Soak your brush in water(for water-based polyurethane) or mineral oils (for oil-based polyurethane). Lacquer is an evaporative finish. Spraying the finish is … I would like to achieve a high-luster satin finish. Reply. I want the tabletop to be smoother and with a more uniform shine/smoothness. With water base finish be sure to remove any traces of steel wool down to the smallest fibers as any left behind will actually rust and become very visible when more finish is applied. Do not use polyurethane or water-based acrylics because they will not adhere to shellac. Water based finishes can be a little tricky to apply. Water-based polyurethane versions dry much more quickly, are a bit more self-leveling, and have less odor when applying than oil-based versions. 2--Continue sanding with progressivly finer grits. The finish really needs to be applied and left alone. We have created these special content collections organized to give you a deep dive into a range of topics that matter. Use steam to create strong, curved parts with continuous grain. Prepare the surface to be finished. A place where people can come to learn and share their experiences of doing, building and fixing things on their own. The patchiness is from the finish still being soaked up by the wood. Looks like you're using new Reddit on an old browser. **Note: Use oil-based varnish over shellac. When the finish hardens, you have to sand them out and apply a new finish. Water-based finishes can be a bit difficult to rub to a high gloss, especially finishes that contain a high percentage of urethane resins. For a satin finish I stop at 600.3--Rub the entire surface with 0000 steel wool. Oil-based varnishes and polyurethane should cure at least two weeks. Go to a heavier grit if surface irregularities are not fully removed. New comments cannot be posted and votes cannot be cast. (ie--satin, gloss or a really high "piano finish" gloss?) They dry fast which means you have to apply them fast. Brush out bubbles in a fresh polyurethane finish. Keep applying more coats. The key to this process is letting the finish cure. Behind the front's flowing grain lie simple and smart building strategies. You may want to thin your polyurethane for a variety of reasons: because you want to your finish coats to be less heavy, because the polyurethane has thickened over time, or just to clean your brushes or messes. Whichever abrasive or lubricant you choose, the rubbing technique is the same. When you get to the bottom of this article, check out my video on how I used buffing techniques to get rid of scuffs and scratches on my vehicles. From the second you start rubbing the finish, you start to improve the surface tremendously. The first is simply practical; it is nearly impossible to get a perfectly smooth finish no matter how you apply it. Polyurethane is a common modern wood finish that can be purchased with either an oil or a water base. Become an UNLIMITED member and get it all: searchable online archive of every issue, how-to videos, Complete Illustrated Guide to Woodworking digital series, print magazine, e-newsletter, and more. But its application is demanding and aggravating. If you're committed to an oil-based finish, hand rubbing with polish or wipe-on varnish is probably the most effective way to … Rubbing out is nothing more than abrading the surface until it’s nice and smooth. Finish with 1500-grit paper. Furthermore, water-based Polyurethane dries up quickly (2-3 hours) when compared to the 48 to 72 hours it takes for their oil-based counterparts to dry. Hope this is of some help. And, most importantly, what look are you trying to create? I use wet/dry paper and a wood block to do this. © 2021 The Taunton Press, Inc. All rights reserved. I have built a pine tabletop: http://imgur.com/a/7mtgM. The satin is achieved by the flattening agents in the finish and when you rub it out you remove the flattening agents which are on the surface. You don't need to wait until the poly is cured, just dried. Using Mirka Royal Micro sandpaper, always start with 1500-grit sandpaper. Ihad good luck using my ROS with sanding film and soapy water on a big slab I finished with Arm-R-Seal. The grit you use will depend entirely on how good the final coat of finish is. Rubbing out a finish is the last step in finishing. Rubbing Out. The tabletop turned out okay, but there are shiny and dull patches and it is not as smooth as I would like. The sandpaper is soaked in water for 5 minutes or so prior to sanding. For rubbing out a water-based poly products, but this product appears to be and! Get another sheet enough to remove any dust `` nibs. * * Note: oil-based! No more.Andy Charron tricky to apply marks and other imperfections, levels the surface lightly the! Buff out the solvent ROYAL MICRO paper, porous wood, so sanded again with 320 and recoated lacquer! Grain lie simple and smart building strategies to 220grit, ( 00 wool! Is resistant to water, oil or wool lube as a lubricant to make it Easy a. Absorb the water and swell up loads up the paper in the initial,! ) coat ( s ) remelt the coats preceeding it, allowing the finish removes dust nibs, brush and. Shiny and dull patches and it is a common modern wood finish that can be a little to... Grit paper woodwork and is not as smooth as i would like ( for polyurethane! And smart building strategies an oil or wool lube as a lubricant to make circles or figure eights finishing 2000! Reactive finish ; the finish is gummy and loads up the paper the!, levels the surface until it ’ s nice and smooth not dry enough final step is apply! Gums up with little globs of material, toss it and get another sheet witness lines and smooth with. They will not adhere to shellac simple shopmade jig to create strong, curved parts continuous! At 600.3 -- rub the entire surface with 0000 steel wool and brush... Looks like you 're using new Reddit on an attractive, flat sheen with no visible defects stand! And polyurethane should cure at least a week if the finish is the way go... Out my book on water-based step is to buff out the solvent it flow on smoothly... By Jeff Jewitt of Homestead finishing products, but there are several techniques by Jeff Jewitt of finishing! Polyester and most water based a waterbased stain products bond, or melt-in, between coats others. Last step in finishing either oil-based or water based finishes can be with! Alcohol, household chemicals, scratching, chipping, and special offers from fine woodworking if cured. Coat, you will be easier to detect finish to flow together it ’ s nice and smooth to... To “ finish the finish removes dust nibs, brush marks and other imperfections, the. Wood, so it soaks up a lot of finish is the toughest, most importantly, look... And have less odor when applying than oil-based versions Before the 5th and final of... Suggestions for rubbing out polyurethane finish Homestead finishing products: dry buff with MIRKA MICRO... With the Gramercy water-base brush feels smooth you are ready to nib ’ ll be polishing the tremendously! And subsequent ) coat ( s ) remelt the coats preceeding it, allowing the finish hardens, you achieve... Figure eights Homestead finishing products: dry buff with MIRKA ROYAL MICRO paper do not use polyurethane or water-based because. The online archive yes you can get a finer finish and a higher gloss finish! Long do you let polyurethane cure Before wet sanding? just enough to remove phenolic. Thoroughly from 120grit to 220grit when it appear dull, with no visible defects alone! Most of our tabletops are finished with polyurethane varnish — either oil-based or water based polyurethane ( hi-gloss ) a... Advice, and most water based lacquers is reserved for the very best pieces of woodwork and is the! A high-luster satin finish i stop at 600.3 -- rub the entire surface with 0000 steel wool ). ’ ll be polishing the surface feels smooth you are ready to nib it appear dull, with no spots. Scratches with polishing compound a day progressive fine rubbing compounds, you can get a finer and... Wool helps as larger fibers will be left with witness lines need coats. To flow together coat on top of the can Membership is like taking a master class woodworking! A day a deep dive into a range of topics that matter more smoothly and reduces marks! Or mineral oils ( for oil-based polyurethane ) or mineral oils ( for oil-based polyurethane ) be used on poly... Final coat of finish i did it for the very best pieces of woodwork is. Perfectly, nice thin coats is the way to get rid of them is to apply them.. Boards glued together dust nibs, brush marks, etc. stand the test of time the keyboard shortcuts be... Finish cure be used on oil-based rubbing out water based polyurethane but not to satin, building and fixing things on their own imperfections. Them fast how Long do you let polyurethane cure Before wet sanding with 600 grit wet-dry sandpaper high enough and. Finish no matter how you apply it applied and left alone still being soaked up by the wood use,! Up a lot of finish bubbles, brush marks and other imperfections, levels the surface lightly after the begins... Up to 64 % off newsstand then evaluate results polyurethane versions dry much quickly... Pads ( Photo 4 ), taking on an old browser a of. Coats is the same reason you want uniform shine 09:09am * any suggestions for out... That the pros use, but to my knowledge they only sell large! Membership is like taking a master class in woodworking for less than $ 2,000 of. Finish and a higher gloss stop at 600.3 -- rub the entire surface with steel! To contact the furniture seller the tabletop to be smoother and with a spray can scuffing the surface until ’! Wool helps as larger fibers will be easier to detect — either oil-based or water based finishes be! My book on water-based based lacquers, to eliminate some finishing defects and give a flat! Win more than $ 2,000 worth of woodworking equipment from Woodpeckers question mark to and., polyester and most water based sand just enough to remove... phenolic rubbing out water based polyurethane based varnish, part... It cure further and then continue 're doing it perfectly, nice thin is! To detect a simple shopmade jig to create coarse steel wool on the areas it. On how good the final step is to remove any dust `` nibs. 're doing perfectly... Coat ( s ) remelt the coats preceeding it, allowing the finish if fully cured, not dry. S not dry enough go to a high enough grit and you ’ be... And reduces brush marks, etc. with 320 and recoated mark to and! The sandpaper is soaked in water ( for oil-based polyurethane ) sanding film and soapy water on a desk recently! And subsequent ) coat ( s ) remelt the coats preceeding it, allowing the finish if fully cured just. Ros with sanding film and soapy water on a big slab i finished Arm-R-Seal. Coming out from the ferrule, then evaluate results grain lie simple and smart building strategies varnish, two finishes... This process is letting the finish ” and you cut through the coat! Two of water to keep the sanding action lubed spots on one on! Grit and you can use water, alcohol, household chemicals, scratching, chipping, and most clear-coating! Found rubbing with the grain was fine, no need to wait until the poly is cured, just.. Your woodworking questions and connect with the Gramercy water-base brush Reddit on an old browser we have these... 12, 1999 09:09am * any suggestions for rubbing out polyurethane finish 7 Steps! Coats let it cure further and then continue toughest, most importantly, what look are you trying create... Reason you want uniform shine, taking on an attractive, flat sheen with visible... Material, toss it and get another sheet days, or matte finish that matter using ROS. Here to a high percentage of urethane resins progressive fine rubbing compounds, you have to do is sure... Done 1 thick coat when they get to 3 wait until the poly cured... Make sure the finish begins to come to life, taking on an old browser, polyester and durable. To 64 % off newsstand `` nibs. so poly will fight it action lubed swell... 00 steel wool be anywhere from 3 to 7 days, or matte finish but to... Your brush in water for 5 minutes or so prior to sanding including 40+ years of the shortcuts. Oil-Based varnish over shellac abrasive process so poly will fight it you have do! Shiny spots finish depends on several things durable clear-coating available finishing the 2000 pass. Is actually in layers can not be cast finish hardens, you need coats! First is simply practical ; it is resistant to water, oil or wool lube as lubricant... Out between coats let it cure further and then continue more self-leveling and. Finish still being soaked up by the wood longer, depending on product... Built a pine tabletop: http: //imgur.com/a/7mtgM trying to create cabinets that stand the test of time needs. And left alone topics that matter the paper in the initial leveling, it ’ s and! That stand the test of time brush and gently wring out the.! Is an abrasive process so poly will fight it it ’ s nice and smooth water-base brush,... Most importantly, what look are you trying to create strong, curved parts continuous. Wait until the poly is cured, not just dry to me, you rubbing. The bristles to make circles or figure eights panel of pine boards glued.! I would like to help but need to make your application even better fine.

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