Now it feels about the same, but you can see some shinier reflections there. You can turn the speed of your sander down a little bit, at least at the beginning until you get the hang of it. That looks worse close up than it does from a distance, but I’m not shooting for perfection here, but this is close enough. The product data sheets for both the polyurethane and mineral wool indicate the heat transmittance, U, calculated according to EN ISO 6946. No, GF does not recommend using steel wool with water based finishes because the particles can become embedded and rust. That makes it far better for rubbing finishes than ordinary steel wool, because it provides consistent cutting action and produces a consistent scratch pattern. Also, be sure to avoid fresh sandpaper for this job because it cuts too aggressively. Alternatively, you can use steel wool. Do not use steel wool on water-based commercial strippers. Results. The steel wool will cut through any nibs or dust on the surface. Got some scratches on your car or truck? But a rough, ho-hum wood finishing outcome isn’t inevitable when you understand how to do power buffing. The simplest rubbed finish is one that is done with #0000 steel wool, or equivalent abrasive pad. Dab on additional finish and allow it to dry. How do you make a matte finish with polyurethane? I buy mine by mail order from Lee Valley Tools (800-267-8767). It all comes down to an operation called “buffing”. Similar to the #9 post, I then used pumice and rottenstone to bring up the shine, followed by wax. The more you use it, the shinier things get. Click below to watch how I use the process successfully, including the kind of rubbing compound that makes it work. Warning: Skip this step and the top can twist, cup or warp. 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. Data sheets for CE marked panels only also indicate the thermal transmittance calculated according to the product standard EN 14509. Grab your random orbit sander tool and a piece of superfine 3M rubbing pad. What are the possible consequences for violating the liquor code? There are minor scratches that you can see, with a few that can be felt with your fingernail. Make Your Polyurethane Finish Thick Enough. Buffing really does make it easy to get superb results on wood finished with polyurethane. I’ve turned down the speed, too, you don’t want it to operate at full rpm. So what you want to begin with is a piece of fine sandpaper. It might later discolor your wood panel and destroy your project. Will it abrade the surface enough for the next coat of poly to stick? 1. Remove dust with a damp cloth. You can also extend the reach of the buffing treatment using the rubbing pad by hand. It all works. Now this sample here has four coats of water-based urethane, and the first step involves knocking off the dust bumps. Please let me know how you make out. Click to see how the power buffing process works and the results it creates. But if you remember, there used to be some marks up here. Sandpaper or steel wool in-between coats of polyurethane? Yes, it’s that simple. Also, there’s another video further down that explains how to use buffing to restore an auto finish, and the Q&A section. 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. I used 0000 steel wool first to smooth the finish, which was fairly level already (if not, I use wet/dry sandpaper first). Apply a very light coat of polyurethane to the sanded area with a brush. Oil modified polyurethane is a good finish but it's not bullet proof by far. The transcript of this video sits below. It’s going to be smooth, but it’s not going to have an even sheen. It’s a 2004, but I believe in keeping vehicles good for the long haul, and that means little repairs and fix ups like this if you want to keep ahead of things. Terms & Conditions; Privacy Policy Although buffing makes any type of urethane look and feel like glass, might as well use a formulations that’s as easy as possible to succeed with. The very fine strands of steel gently cut into the surface being sanded, removing an ultra-thin layer. Buffing can transform an ordinary wood surface into one that’s a smooth as glass and very inviting to the touch. Masterline Rapid Dry Poly offers easy application, superior build in just two coats and is fast drying. Squirt some soapy water on the board and then apply some steel-wool rubbing lubricant (Behlen Wool-Lube) on the pad or the board. APPLY WITH: synthetic-bristle brush, foam applicator or synthetic pad NUMBER OF COATS: 1 Minwax ® Lacquer Sanding Sealer GOOD FOR: Bare or unfinished woodwork, cabinets, furniture and interior doors. Think of prepping wood for finishing like getting a haircut. Rub thoroughly working it into hard to reach areas until the surface feels satiny smooth and not slick. Finish Both Sides at Once. It’s … The buffing that I … Please excuse those crows in the background. It just rounds them over. Steel wool is OK for the final coat but it tends to leave boogers while sandpaper tends to flatten them or knock them loose. The resulting color can vary greatly between different types of wood. This is standard practice with any wood finishing job, and is nothing out of the ordinary. Wipe away dust and debris with a clean cloth. Warning: Skip this step and the top can twist, cup or warp. I’ve sanded a lot of decks and done all kinds of woodworking with it, but it actually is a superb auto polishing tool, as well, if you have the right kind of pad. A little work with the “super fine” will bring up a gloss. Prepare your workpiece A glass-smooth finish begins with a level, even surface. Squirt some soapy water on the board and then apply some steel-wool rubbing lubricant (Behlen Wool-Lube) on the pad or the board. Add a pea-sized amount of … You can also abrade with steel wool or a synthetic abrasive pad, but neither cuts and levels as well as sandpaper. 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. Now this is a very flat sheen, so you’re not going to see some reflections off of it, but it is extremely smooth. If you want a satin finish take a pad of 0000 steel-wool, unravel it and fold it back into quarters. Polyurethane Finish Tip#1: Start With a Thick Coating. Applying a Water-Based Polyurethane . As water and oil do not mix, this step will prevent the water-based polyurethane from forming beads on the surface. Rub hard. Buffing wood is the best-kept secret of the wood finishing world. Buff out any imperfections in the finish using a fresh piece of 0000 steel wool. Using Minwax wipe-on poly (oil) for a table top. Some of the myths make no sense but do no harm. If you pay attention and get the details right, you’ll be one of those people who can apply a really great finish on interior wood, and do it every time. A: I’d definitely start by coloring the minor scratches with Polyshades as you planned. 02:24 The van is a little bit wet. You can repeat the whole process with another application of the remover if you deem necessary. There are a couple of spots, maybe I’ll go at that a little bit more.