Vinyl paints, as mentioned before, are not eco-friendly. Purchases made through these links may earn me a small commission at no additional cost to you. Paint is not a varnish. Follow the same directions on how you applied the primer. Don’t worry it will dry the same color and blend right into the original paint! Details and inside corners are difficult to cover with any paint color, but this property tends to be more noticeable with whites. I put on a coat of Rustoleum metal primer (spray). Can I spray paint over rust? If I wait longer than that I have to wait 16-24 hours and then sand. It was stained with a stain containing polyurethane. Some people choose polyurethane over spray paint, polycrylic, or other finishers because it has a more durable finish that does not chip or cracks over time.In general, polyurethane is your standard “go-to” all purpose finisher. WHAT YOU NEED TO KNOW ABOUT WHITE PAINT: Bright white paints can yellow over time with or without topcoat. A polyurethane finish or varnish is a durable coating that protects a wooden surface, which means you can’t paint directly over it or your paint won’t adhere to it. The key to success is to make sure the oil has fully dried first. 7. You can apply it over your chalk paint finish or any finish using a regular paintbrush. You can as well use a vacuum cleaner, if you have one, to remove all the traces of dirt that remained after roughening. I want that particular look of a clear layer over the color body but I find that the solvent in the varnishes I've tried is too "hot" for the paint film and makes it crinkle or alligator. Can You Put Polyurethane Over Chalk Paint - Though the paint is a bit thicker than latex, then it does not necessarily cover 1 jacket? It is a protectant and sealer. You can buy one at a paint supply store. A polyurethane finish can prolong the life of paint and prevent ultra violet rays from causing it to fade. Whenever I want to spray oil-based poly, I go for the spray paint version of the Minwax Fast Drying Polyurethane (linked below). If you do, add a coat of polyurethane on top of the stain before you apply the sticker, as the wood stain can affect how well the sticker adheres to the wood. I’d love to update it with fresh paint and new hardware, but I’ve heard that you can’t get good results painting over stain. ; Start with 120-grit sandpaper on refinished pieces and 80-grit on new wood. Discussion Starter • #1 • Jul 2, 2015. Another option is to use the spray can version of oil-based polyurethane. You can use a fine bristled brush, a spray can, a lint-free rag, a foam brush, or a roller. I sanded off what was left of the old finish. However, if you are lazy to work with painting this coat, you may as well spray it onto the surface you want to coat. varnish over spray paint Has anyone used an aerosol varnish or clear coat over an aerosol paint? You’ll get the best results from your topcoat if you remove any old paint, varnish or other finishes before polyurethane application. Depends why you want to apply the poly over the enamel. Step 7 – Polyurethane or Wax Over Chalk Paint (or skip to OPTIONAL color washing) You may want to use a wax and if so, please follow the manufacturer’s instructions. An oil-based primer is your best bet since other types of paint primers are not compatible with a polyurethane finish. With some prep work and these simple tips, you can successfully paint over polyurethane or other finished wood and give your furniture or trim a whole new look! after the latex or other water borne product has cured, generally specified on the label, the polyurethane cannot penetrate or reactivate the paint. However, if you choose the water-based Polyurethane, you can opt for any paint sprayers as most of them will provide you efficiency with water-based paints as well as Polyurethane. yes, I use a 2pak polyurethane by U-pol (S2086EV) with great success. I applied a coat of Minwax fast drying polyurethane on a bookshelf for my daughter's bedroom. The problem is the protective coating over the paint. Polyurethane is a finish coating that can make any wooden surface more durable and more beautiful. Unfortunately, when many do-it-yourselfers apply polyurethane over a water-based latex or acrylic paint, they end up with rampant flaking. It will leave the surface looking glossy but not as shiny as other topcoats do. Have good ventilation and wear an approved respirator mask. For a smooth coating you’ll want the surface to be as smooth as possible, so prepare the wood by sanding it with a sanding block or orbital sander. This post contains affiliate links for your convenience. Answered. Your paint will not stick well to a polyurethane treated furniture unless you prime it. Yes, you can paint latex paint over polyurethane stain after applying an oil-based primer. ... Over a year to spray paint had faded. Feel free to follow this by applying the water-based polyurethane. Source(s): put water-based poly on concrete floor and oil-based in living room and it looks like pee stains all over the place. Best epoxy gloss coat I've found. simply put, yes. I am sure the rustoleum spray paint is oil based. I chose to use a Polyurethane, so this piece can be easily painted over later in life. I am painting a shot put, as in a 6-lb iron ball for track-and-field. I put 2 coats and it still came off. If you are going to then use a water-based poly since it doesn't yellow like the oil based. You can do the application using a sprayer or even a lint-free cotton clothing. Just as you can over any Drying Oil. Remove Loose Rust and Paint. Determine if the oil-based color coat is worth keeping. It really depends on the spray paint dry time. Can i put a minwax polycrylic brush on gloss clear coat over a piece of spray painted wood? Remove loose rust with a wire brush, sandpaper or chemical rust remover. Q: My childhood dresser is beautiful but the wood stain looks faded. It keeps moisture from damaging the wood. At this point, you have done the necessary preparation by cleaning and deglossing. In most cases I have been able to spray my oil base, and come back in 45-60 minutes and spray some poly or poly/varnish over it. The underlying finish or wood species can affect the final color of light paint. Surface preparation is extremely important and is the best predictor of how long your new paint finish will last. You should keep your paint sprayers clean after every use. But with the right materials, and a little bit of elbow grease, you can paint over the polyurethane. How often should you clean the paint spray guns available in the market while working with Polyurethane? I put on a few coats of oil-based Rustoleum paint (spray). It is also a finish coat that brings an immaculate shine and magnifies the beauty of everything from flooring to furniture. 5. Before you paint, take the time to prepare your surface properly. Comparing Polyurethane to Other Finishes. You don't have to remove all the varnish before you start painting. Adding polyurethane to wood may seal the sticker, but over time you may still find that it starts to come unstuck. Even if it has varnish on it, its so old, hard and dry you can get away with putting lacquer over it as long as you don't flood a wet coat on it. In short; you CAN apply a lacquer or a polyurethane over a Danish oil. If you spray poly on too soon, that moisture has nowhere to go and can cause the whole thing to buckle or flake (or not dry properly!). Polyurethane coatings are made with mineral oil solvents or may be a water based polyurethane, so the answer depends on what you are repainting with, and which polyurethane you are painting over. Spraying polyurethane with a paint sprayer takes out the most volatile variable and makes the entire project far less reliant on your skills as a painter.. Spraying polyurethane requires a few extra steps to ensure quality but the added effort will leave you with a better-looking finish and less time spent fixing mistakes.. In other words you want to know how quickly you can put the poly over the freshly painted oil, without sanding and without causing the oil to wrinkle. It is the nature of oxidation. Polyurethane will seal in dirt, dust and pet hair and preserve it forever in the final finish. Instead, you should be using a different type of paint - you can use Minwax Polycrylic. Polyurethane is typically hard, durable and glossy, and it is these qualities that make a finish vulnerable to chips and flaking. That aside, you are not supposed to use a polyurethane over paint and if you call the manufacturers, they will say "you can try it, but we don't guarantee anything." If you are using vinyl paint, then be certain you receive the ideal kind of paint, and then adhere to the aforementioned guidelines to paint and prepare the surface. Unfortunately, you are faced with a challenging situation and, without seeing the piece, and knowing the products used, I can’t guarantee the outcome you want. A varnish (or varnished look) can be achieved with products or combinations of products that include polyurethanes, lacquers, epoxies, etc. If it is badly damaged or if you no longer have any of the paint for touch up or repainting, consider sanding and priming with an oil-based primer and repainting with water-based paint. Any paint will adhere to the polyurethane if and when the surface has been properly abraded. The problem is that nothing can ever be put over wax – not poly, not paint, or even primer in most cases. Paint the surface with an oil-based paint. When you work on antiques most of the time you can just touch up the finish with lacquer. 4 Posts . Oil based spray paints can take up to a couple days to really cure or dry completely. Great clarity, resistance to abrasion and can be polished to a supper shine, doesn't quite have the depth of a poly gloss coat but is as close as you are likerly to come. Yes, you can spray paint over rust. As another commenter said too, the spray stuff is kinda crap. You can paint over a surface of polyurethane varnish if you prepare it properly. ... A tack cloth is a special, sticky cloth for this exact purpose. If you can't find a tack cloth, you can vacuum the dust up instead. Oil and water are famous for repelling one another and not mixing. Yes- you can put oil based poly over spray paint. Be sure to wear a respirator mask and apply the finish in a well ventilated area, especially if you are using oil-based polyurethane or using a spray can. I have a butcher block counter top on the kitchen island. The way it mists out of the spray can is the most amazing spray I have ever seen come from a spray can! A light scuff will not give you a solid mechanical bond. If the spray is wet when you apply the poly the spray might run. Start by cleaning the surface and filling in any cracks or imperfections. I did a test piece and it looks fine 24 hours later, but will it fail in the future or start to chip? How to Use Oil‐Based Polyurethane over Water‐Based Polyurethane. Could I put polyurethane over old polyurethane? Put on a respirator. Answer + 1. 5. Of course you need to test in a inconspicuous place to be sure. Apply the paint. Need to KNOW ABOUT WHITE paint: Bright WHITE paints can take up to a polyurethane finish it... 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