Make Fine Woodworking a part of your holiday. You're doing it perfectly, nice thin coats is the way to go with a spray can. In general terms, the longer you let a water-based finish cure, the easier it will be to rub out (within reason, of course). Prepare the surface to be finished. 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. Water based finishes can be a little tricky to apply. 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 finish really needs to be applied and left alone. Most of our tabletops are finished with polyurethane varnish. Ihad good luck using my ROS with sanding film and soapy water on a big slab I finished with Arm-R-Seal. There are several techniques by Jeff Jewitt of Homestead Finishing Products: DRY BUFF WITH MIRKA ROYAL MICRO PAPER. mike_maglio | Posted in Finishing on August 12, 1999 09:09am * Any suggestions for rubbing out a water-based poly? This could be anywhere from 3 to 7 days, or even longer, depending on the product. Looks like you're using new Reddit on an old browser. I have built a pine tabletop: http://imgur.com/a/7mtgM. Rubbing out the finish. Rubbing Out. Tackcloths can be used on oil-based poly but not on water-based. It dries fast so you can apply three coats in a day. Let it cure longer. *How you rub out a water-based finish depends on several things. The second (and subsequent) coat(s) remelt the coats preceeding it, allowing the finish to flow together. It looks dry to me, you need more coats if you want uniform shine. After finishing the 2000 grit pass, rinse off and let dry. Water-based finishes can be a bit difficult to rub to a high gloss, especially finishes that contain a high percentage of urethane resins. Rubbing out is nothing more than abrading the surface until it’s nice and smooth. Thank you very much for the advice! I have not been a fan of water-based finishing products, but this product appears to be the real deal. a damp cloth. If you want you can use water, oil or wool lube as a lubricant to make the rubbing easier. Has anybody out there tried this or any other methods? Begin the rubbing-out process by scuffing the surface lightly after the finish is dry. After the glue up I hand sanded thoroughly from 120grit to 220grit. The longer you wait the better. Reply. I was considering wet sanding with 600 grit wet-dry sandpaper. Soak your brush in water(for water-based polyurethane) or mineral oils (for oil-based polyurethane). Quick Tip! I applied first coat, waited an hour, sanded with 400 grit lightly, then applied three more coats waiting about 45 minutes in between. The contact detail associated with Rubbing Out Polyurethane Finish is also mentioned to make it easy for a user to contact the furniture seller. Replies. 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. Shellac, solvent and water-based lacquers and two part finishes should cure at least a week. Any suggestions? X. Do not use polyurethane or water-based acrylics because they will not adhere to shellac. Let the brush soak until air bubbles stop coming out from the ferrule, then remove the brush and gently wring out the solvent. To reveal flaws (bubbles, brush marks, etc.) From the second you start rubbing the finish, you start to improve the surface tremendously. 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. Soaking the brush also softens the bristles to make your application even better. Personally, I now prefer water-based poly such as General Finishes Enduro-Var applied with the Gramercy water-base brush. Prepare the polyurethane by reducing it about 10 percent with mineral spirits, unless you're using water-based polyurethane, which doesn't need thinning. In this article I’ll show you how it applies here to a polyurethane wood finishes — either oil-based or water based. * Any suggestions for rubbing out a water-based poly? (ie--satin, gloss or a really high "piano finish" gloss?) rubbing out water based poly? Thinning the polyurethane makes it flow on more smoothly and reduces brush marks. Go to a heavier grit if surface irregularities are not fully removed. Brush out bubbles in a fresh polyurethane finish. I would like to achieve a high-luster satin finish. Polyurethane is a common modern wood finish that can be purchased with either an oil or a water base. This type of treatment is reserved for the very best pieces of woodwork and is not the standard used for architectural wood trim. Rubbing the Finish. How many coats did you apply? 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. 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). When the surface feels smooth you are ready to nib. High `` piano finish '' gloss? good the final step is remove! Apply another coat and start over coats of water based lacquers sprinkle or two of water based lacquers Enduro-Var. On water-based pros use, but to my knowledge they only sell large... 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