A little bit of movement of this sanding block with paper on it is going to yield a much smoother finish. A buffed gloss is a much more refined shine. Steel wool can be used instead of fine sandpaper for many sanding jobs. So, the sander causes the rubbing pad to move and polishes the surface. I’ve often walked up to examine a finish that looked great, only to be dismayed when I ran my fingers over the surface. There are minor scratches that you can see, with a few that can be felt with your fingernail. Like I said, use a piece of old 240-grit sandpaper left over from the sanding you did between coats of urethane. Rubbing with the grain, make 3 or 4 complete passes over the surface, slightly overlapping each pass with the next. Alternatively, you can use steel wool. There’s a finer grade than this, but I find that this works pretty well for most things. Q: Can I buff a used table that has a pretty good finish? I’ve had this for a long time. For gloss, wait four to six weeks no matter what the finish. As long as the surface feel perfectly smooth, it’s time to move on to the next step. Its advanced water-based, self-leveling formula allows wood projects to be completed with just one coat. The steel wool will cut through any nibs or dust on the surface. You can start with the knocking off of the dust bumps, and the only difference is that you don’t use the random orbit sander for buffing. Grab your random orbit sander tool and a piece of superfine 3M rubbing pad. If pads get clogged, simply rinse and reuse. That’s not to say you should apply each coat thickly. Wipe away the rubbing slurry frequently to check your progress, and stop as soon as you have a consistent satin sheen. Steel wool can be used instead of fine sandpaper for many sanding jobs. Brushing polyurethane is not complicated, but somehow authors and manufacturers have succeeded in making it seem so. Dab on additional finish and allow it to dry. Watch the video and read the article below and you’ll be amazed by what you can accomplish. The buffing approach I’ve used has worked very well. Avoid Steel Wool on Water-Based Strippers. Let dry completely. at and feel. How to Rub to a Satin Finish Photo 1. Both water-based and oil-based products give off strong fumes as they dry (although oil-based is decidedly worse), so proper ventilation is a must. Oil modified polyurethane is a good finish but it's not bullet proof by far. The best, most consistent product I’ve ever used is Poloplaz Primero. You’d have quite a bit of control over the level of sheen that you can achieve. Use the 320-grit paper on a foam block to knock off the dust bumps, the go at it with a “fine” 3M rubbing pad. Sand lightly with 240-grit sandpaper between coats, then let the last coat dry for at least 24 hours. only sand in between every third or fourth coat. • If you’ve used a finish that seals the wood like varnish, lacquer, shellac or polyurethane for example, I’d recommend spraying on a bit of water both to the project and to the abrasive paper and wet sanding – this forms a slurry on the surface and helps keep things smooth and removes any particles a little easier. 4 steps to a perfect polyurethane finish. Where more abrasion happened, it’s going to be dull; and where less abrasion happened it’s going to be shinier. It claimed that it could go over stained wood furniture that has a polyurethane finish. But this is a perfect example of how a little bit of TLC can really make a difference. All except gloss and hi-gloss have a percentage of a paste which is mixed in to lessen the shine. It also lasts longer. If you’re using an oil-based finish and you want to make a surface smooth as glass, apply the last coat with “00” steel wool. Can I buff that now, too? Using a new (0000 or 4/0)) wool pad, apply some wood wax to the pad. To capture the grit and to maintain an even sheen, use a bunch of dry rags to wipe off the finish before it dries. Click here for details of the best urethane I’ve used from the options available now (August 2019). This will leave only an ultra-thin film of finish on the surface. No, GF does not recommend using steel wool with water based finishes … Don’t use too much or ridges may form in your application. Click below to watch how I use the process successfully, including the kind of rubbing compound that makes it work. Steel wool is also used as a polishing agent on certain types of finishes. It’s sometimes a lot easier to build a good project until you get to the finishing part, and that’s where disappointment often sets in. The only drawback with poly is that it is. Minwax® polyurethane finish. Finish Both Sides at Once. This is what it looks like. You don’t have to that though, you can use it dry if you prefer. difficult to bring up to a high gloss. Click to see full answer Also asked, can you sand with steel wool? To remove them you have to level the surface before you rub it. Even though it’s metal, fine steel wool can catch fire and burn easily. These are a lot less than they used to be, same with down here. Once you’ve gotten rid of any leftover wax, blot away the water with a cloth or paper towel. Got some scratches on your car or truck? Finish up with a coat of paste wax, also buffed out under power, and you’ll have the smoothest possible finish that can be put on wood. And I don’t … There is something that’s definitely going through the paint here. Very loosely screw the lid onto the jar, but DON’T TIGHTEN IT! Squirt some soapy water on the board and then apply some steel-wool rubbing lubricant (Behlen Wool-Lube) on the pad or the board. This is just great. I’m gonna start it fairly slow, and then I’ll just start buffing here. While I’m at it, I’m gonna buff a few other places on the van, too, that have gotten the clear coat scuffed a little bit. Buffing wood is the best-kept secret of the wood finishing world. A: If the application is shiny when dry it won’t look any different at months end. How do you apply polyurethane without brush marks? It’s … The buffing that I … Please excuse those crows in the background. Finishing Options. I buy mine by mail order from Lee Valley Tools (800-267-8767). Yes, it’s that simple. It just rounds them over. If desired, apply stain such as Minwax® Water Based Wood Stain or Minwax® Wood Finish™ stain to bare wood surfaces following label directions. Nothing deep, but a couple of nicks through the finish that I’d planned to touch up with Polyshades. No, GF does not recommend using steel wool with water based finishes because the particles can become embedded and rust. Tear 1 pad of 0000 steel wool in half. So, I’m going try the mild abrasion of the rubbing compound and hope I can get rid of this white stuff. The product data sheets for both the polyurethane and mineral wool indicate the heat transmittance, U, calculated according to EN ISO 6946. UPDATED 11Nov2020: By the time you finish reading this article and watching the videos that come up later, you’ll know exactly how to create a glass-smooth finish on wood. Should I sand the final coat of polyurethane? Sand down the brush marks lightly with the fine-grit sandpaper. You definitely don’t want to go right through the finish to bare wood. Sanding is one of the keys to an excellent result, beginning with coarse-grit paper and ending with a steel-wool substitute between coats. If you want a satin finish take a pad of 0000 steel-wool, unravel it and fold it back into quarters. The first thing to understand is the need to begin with a thick polyurethane finish film to ensure that you don’t buff right through to bare wood. That makes it far better for rubbing finishes than ordinary steel wool, because it provides consistent cutting action and produces a consistent scratch pattern. So, this is a foam polishing pad. Synthetic steel wool will help you to make the surface “rough up.” It will block the polyurethane form edging on the wooden surface. And so, I’ve moistened the pad, and I have put on some of the rubbing compound. 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.. Can you apply a second coat of polyurethane without sanding? This is a wet process, so I wanna keep it lubed with water and let’s see if this works. Wait at least 24 hours before applying Polycrylic™ Finish over Minwax® Wood Finish… 0 11/2016 - 1 - DESCRIPTIONS: Masterline® Rapid Dry Polyurethane is a durable commercial grade finish suitable for large volume applications, such as meeting halls, multi-unit dwellings, and other commercial uses. polyurethane, too. Also, there’s another video further down that explains how to use buffing to restore an auto finish, and the Q&A section. Can I buy a car in Oregon and bring it to California? To capture the grit and to maintain an even sheen, use a bunch of dry rags to wipe off the finish before it dries. The very fine strands of steel gently cut into the surface being sanded, removing an ultra-thin layer. Don’t miss the article below, too. Then, put it on your stained furniture in an inconspicuous place. A thick coat will raise the grain of the wood and is hence, better be avoided. Copyright 2020 FindAnyAnswer All rights reserved. Now not every woodworking situation is as nice and flat and open as this sample piece I’m showing you here now, but the same process can be used on any kind of shape or profile. Take your wax-dipped steel wool and rub it back and forth in the wood grain direction on the polyurethane finish. If I can’t, and I really don’t know what I’m gonna run into yet, I’m gonna continue. It comes in different abrasive ratings, and the superfine type is what you need (it’s usually white in colour). This pad replaces 00 steel wool and will not shred, splinter or rust like steel wool. Apply a very light coat of polyurethane to the sanded area with a brush. You can also abrade with steel wool or a synthetic abrasive pad, but neither cuts and levels as well as sandpaper. Similar to the #9 post, I then used pumice and rottenstone to bring up the shine, followed by wax. Use steel wool, a piece of cloth, or something similar. It might later discolor your wood panel and destroy your project. Data sheets for CE marked panels only also indicate the thermal transmittance calculated according to the product standard EN 14509. Stains come in a full range of wood tones, and such finishes as varnish and polyurethane give your piece either a matte or glossy shine. I’m thinking that this is actually, I’m hoping anyway that this is on the surface, that this hasn’t actually effected the paint. Steel Wool Grades. Now I guess I'll buff the whole thing down with the steel wool and then apply the satin finish and see how that looks tomorrow. You’re not trying to remove significant amounts of polyurethane, just to knock off those little high spots. You’ll find that the process also works on curved surfaces and trim if you use #0000 steel wool. Additionally, these formulas contain chemical solvents as well as curing agents. With a solid wood top like this one, finish both the top and the bottom surfaces, even if the bottom won’t show. You can try different species, stains, sanding effects, etc., and mix up the order of the steps you use for different looks. Step 1. This is the fine grit, and you want to use this, believe it or not, in conjunction with a random orbit sander with no abrasive disc on it. It is perfect for removing the softened polyurethane finish. Additionally, can you use steel wool on water based polyurethane? 03:00 Well, I think that things are happening here. 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. This will leave only an ultra-thin film of finish on the surface. Masterline Rapid Dry Poly offers easy application, superior build in just two coats and is fast drying. This is a 3M rubbing pad, so it’s non-woven. Rub hard. Wrap it around a cork block or soft piece of wood or plywood with cork glued to the bottom. After your final coat, you may choose to rub out the finish with #0000 steel wool to a consistent sheen level, followed by an application of paste wax for a nice luster. Then switch to … And you’re right. How do you fix an uneven polyurethane finish? No sanding with 320, just gentle buffing. Once you have removed all the finish off, wash the surface with water if it is a wash away remover. I use a lot of wiping varnish using 400 to apply the first coat. It all works. Please let me know how you make out. Can ram aluminum can crusher crush 10 cans in 10 seconds? Store it in a tightly-sealed metal can for safety. Results. Steel wool can be used instead of fine sandpaper for many sanding jobs. Nothing more is involved than rubbing the surface in long strokes with the grain of the wood. The very fine strands of steel gently cut into the surface being sanded, removing an ultra-thin layer. Take your wax-dipped steel wool and rub it back and forth in the wood grain direction on the polyurethane finish. Warning: Skip this step and the top can twist, cup or warp. Does Hermione die in Harry Potter and the cursed child? Polyurethane Finish Tip#1: Start With a Thick Coating. This is a thick, non-woven, synthetic abrasive material available at woodworking outlets and better hardware stores. Apply in curcular motion, going against the grain with just enough wax to coat the surface lightly. What surprises me is how few woodworkers know about it considering how often people have trouble creating a wood finish they can be proud of. Finishing Furniture With Steel Wool and Polyurethane | eHow So having said that, if you are using an oil-based poly, then either steel wool or sandpaper is fine. We don’t know how this particular scuff happened here, must have happened in some parking lot or something, but I’m going to try something to make this look better. Firmly rub the wax onto the piece, stroking with the grain. You won’t be able to get a sander into every nook and cranny, and that’s why you should prefinish parts as often as possible before assembly. I have a 6″ orbital polisher to work with. Buffing works beautifully, even if you’ve applied a finish that’s not too smooth to begin with. Click to watch the video on the right to see how I’ve been sanding wood as a professional cabinetmaker since the mid-1980s. If there's still a slight depression after the finish dries, gently wipe the patch with 0000 steel wool and apply a second coat. Steel wool comes in a variety of grades. Types of Polyurethane Finishes Oil Based Finishes: Steel wool is still an acceptable option with oil finishes. Prepare your workpiece A glass-smooth finish begins with a level, even surface. Buffing can create a glass-smooth finish, even after polyurethane has been applied not-too-well with nothing more than a brush in an ordinary home workshop. It’s very important to use the correct grade and coarseness of steel wool for specific projects because using the wrong grade can cause damage or … The finer grades are particularly useful for the delicate work of sanding between finishes (cutting back). I suggest that you use a cork block or a wood block padded with fabric. Note the top is made of veneered oak faced plywood so I had to really control how much sanding I could do to a minimal amount. 01:41 So, this is my six inch random orbit sander. You can turn the speed of your sander down a little bit, at least at the beginning until you get the hang of it. The final rub is still with the steel wool. Photo 4 4. You want something with a little bit of resilience, but you don’t want to use the sandpaper by hand. Once you’ve given the finish a good wipe, flip the pad and repeat the wiping process. Also, be sure to avoid fresh sandpaper for this job because it cuts too aggressively. I used 0000 steel wool first to smooth the finish, which was fairly level already (if not, I use wet/dry sandpaper first). The transcript of this video sits below. Experimenting with this process is kind of like being a mad scientist. Most ordinary people who attempt to apply a polyurethane finish wood eventually resign themselves to sub-standard results, all for lack of one tiny piece of information. Brush the sanded area off with a soft cloth to remove all traces of dirt and grit from the sanding. This is normal. Jason Google Sponsor Google Sponsor. Now you need to start with a finish of sufficient thickness, so that would be at least three coats of polyurethane, and preferably four. Alternatively, you can use steel wool. This is a little squishier than styrofoam. To test this, you can take a cotton ball and soak it in acetone nail polish remover.