You're not suppose to put an oil based enamel over a waterborne paint. You shouldn't be using anything "oil based". Most manufacturers now use water base color coats and these require a clear coat ⦠I'm sure you see cars every day with the clear pealing off. I would consider just switching to Oil Base enamel at this point. Lighter-colored paints may alter slightly with a topcoat application, but the color shift is less noticeable. You're alright to put a waterborne enamel over the oil based primer so long as it has dried well. Wood can bleed tannins immediately after the topcoat dries or months later with a change in temperature that comes with a change in seasons. I didn't even know you could get water-based enamel. 2. Auto-Air Colors is the largest, most progressive VOC compliant custom automotive paint in the world. This floor finish is suitable for use in factories, warehouses, workshops, showrooms: anywhere durability and easy maintenance are important. To reduce the occurrence of yellowing, we formulated Stain Blocker, a chemical stain and tannin blocking primer, and Brushable White Enamel. A polyurethane finish can prolong the life of paint and prevent ultra violet rays from causing it to fade. Any clear coat can become reactive over wood substrates or existing finishes, causing tannin or dye bleed-though regardless of priming. Water-based clear coats are easy to clean up, have low odor and the finish is much less likely to change over time. It still rolled up a little here and there but I think these were areas where the paint was a bit heavy. To me, that is a contradiction in terms. Rainguard Cool Coat Heat Reflective Paint Clear 5 Gallon. It was fine, but I ⦠Oak, pine, mahogany, and Douglas Fir are particularly prone to bleed-through. Come join the discussion about shop safety, wood, carpentry, lumber, finishing, tools, machinery, woodworking related topics, styles, scales, reviews, accessories, classifieds, and more! You could also add clear to the final coat of paint as long as they were made by the same company but a clear alone is more likely to peal on you. A clear coat layer gives protection from chips and scratches and helps your vehicle to retain its value. Topcoat is perfectly fine over darker colors. Hence, your car paint appears new for a longer period of time. 2k solvent clears work just fine over properly dried water based paints. TotalBoat Halcyonâs advanced water-based formula is simple to use and very forgiving, producing beautiful, consistent, level results with just a foam brush. Water Based Helmsman® requires a third coat - repeat step 6 before application. I put on the first coat of enamel today and when cleaning up, I was amazed to discover that the paint was water-based. I have a yard art sign whose paint has cracked in a few places after several years outside. It has very little odor, is non-flammable, cleans up easily with soap and water, and can be recoated in only 2 hours. I recommend wiping the previous sealer with a solution of water and denatured alcohol to clean the surface, then lightly sand with 400-grit paper â followed by one more cleaning with water/dna solution. Clear Coat is ultra low VOC, easier to use, and has even less odor. Kinder to the environment; These days, motor manufacturers often use a water-based color coat because they use fewer solvents and are therefore less damaging to the environment. Weather can have a profound affect on the drying time too. Last time I used Rust-Oleum water-based matte polyurethane. But the safest route is no use of topcoat over whites and light paint. Whites have a lower “hide” quality and are more transparent than other colors. I'm not sure how I am ever going to get a decent finish on this if I can't sand in between coats. I needed to just put a clear water-based polyurethane over the paint. Throughout all of our testing, General Finishes water-based topcoats are clear drying over a non-reactive substrate such as plastic or metal but when applied to something as unpredictable as wood, it is best to play it safe. You can apply Varathane to any surface containing interior and exterior latex paint, including walls, tables, chairs and workbenches, once the paint is dry. As all of our white pigmented paints are self-sealing and do not require a topcoat, we warn users as follows: CAUTION: Do NOT use any water-based clear coat over bright whites such as GF Snow White Milk Paint, or GF White Poly as it may cause yellowing. Most bright whites require additional coats to achieve the desired color and minimize color variation. I made an armoire and a changing table that have survived three babies' worth of diaper changes and the clear gloss over white paint held up just fine. Note: For exterior surfaces or for previously unfinished wood, four coats are recommended. All bright white paint will yellow slightly with time, even without topcoat. Spray a coat of clear top coat over the glaze. All of GF's white paints do NOT require a topcoat. One thing to note is that only the base color coat of the paint system is waterborne; all other layers, including the clearcoat, are still solvent based and sprayed in the normal way. Some paints just dry slower than others. Our water-based epoxy coating is an extremely tough, decorative industrial floor coating for use on interior concrete and wood floors. I would go over the clearcoat with 220 grit sandpaper to rough it up slightly â clean it off and then apply a thin coat of Polycrylic. I would just use the correct enamel for your needs and be done with it. Since 1980, you have not heard of water base enamel.? The oil based finish dries harder than the waterborne paint and is inclined to crack with using a waterborne paint as a base. Every existing finish is different and we rarely know the finishing provenance on a previously finished piece. If it seems like the top coat just isnât going to work, you can apply a different top coat. This process is great for antique effects or faux finishes that require a lot of glaze to be left on the surface. Let it dry a few days and use same primer and then oil enamel. I did not read The Whole Thing up there ^^^^^^^^^. Unfortunately, when many do-it-yourselfers apply polyurethane over a water-based latex or acrylic paint, they end up with rampant flaking. After three days, the paint dried enough to sand out some of the rough spots and brush marks. It therefore forms a weak bond with acrylic paint if the paint is applied on top of the oil paint. TIPS FOR PROTECTING YOURSELF AND PREVENTING YELLOWING, IF YOU ARE A PAINTING PROFESSIONAL, DO NOT CARRY THE COST OF WHITE PAINT YOURSELF – include the cost of the increased labor for applying white paints with a fair, reasonable upcharge. Auto-Air Colors⢠is the pioneer brand of water-based, custom colors and airbrush paints. But white and light paints can react if clear coated with a waterbased finish; water-based topcoats are reactive and may draw out substances in the wood such as tannins, dyes or unknown substances in existing finishes causing the topcoat to yellow. What I wouldn't like is putting a clear over the enamel. Always prime white paint with a paint system: Gf recommends either 2 coats of Stain Blocker or White Undercoat. Water-based top coats also dry quickly and can be used on bare, stained, or painted wood. I think you can put Polycrylic over the clear coat, but I would test it on an area that is hidden first. The sealer also protects surfaces from scratches, marks, yellowing and staining. To prevent wrinkling, spray light coats within an hour, then let dry for 48 hours before applying a topcoat. Clear Coat High Gloss Oil-Based Acrylic Topping Over Solid Sealer. You have probably tried to touch up white woodwork in your home after several years and noticed that the new paint is brighter. ... Eagle 5 Gal. After final coat, allow 24 hours before normal use. I checked the label on the paint can and it doesn't say anything about weather the paint is water based or oil based. Apply 2 or more light coats a few minutes apart. Hand sanding with 330 It produced a decent amount of powder and I was careful not to apply too much pressure. Deep clean with TSP before using water-based over oil-based paint. It flows on easily and is much easier to work with than oil-based varnishes, synthetic marine wood finishes, and even other waterborne marine polyurethane finishes. Every tree is different; every piece of wood is unique. You just have to be patient and allow it to dry. The water-based enamel (semi-gloss acrylic) doesn't seem to want to dry. White paints, even if they did not yellow, require more coats and high-quality primers to achieve coverage. Varathane is a water-based polyurethane sealer that adds shine to wood and latex-painted surfaces. Oil and water are famous for repelling one another and not mixing. Water based paints do not produce gases that harm the ozone as they do not contain any volatile organic compounds. When white paint sealed with a water-white topcoat is applied to something as unpredictable as wood, all bets are off and the reason for yellowing is often unknown. Yeah. Can be used on bare, stained, or painted wood. As all of our white pigmented paints are self-sealing and do not require a topcoat, we warn users as follows: CAUTION: Do NOT use any water-based clear coat over bright whites such as GF Snow White Milk Paint, or GF White Poly as it may cause yellowing. If it's cool and or damp that can make paint take twice as long to dry as other times. Wattyl Estapol Interior Water-Based Xtra Clear is a quick drying, low odour, clear finish designed for use on interior timber. There is a little powder but the paint is gumming up into little rolls. Luckily, there are ways around this when it comes to applying finishes. Well I seem to be in a bit of trouble. The benefits of using water based paint. Scuff the first coat of clear, and spray final coat. It needs warm dry air to make it cure right and it's important you do let it dry before proceeding or you will have a soft base that will damage easier. Well I am feeling a bit better about this. Jim Carroll explains why itâs not only acceptable to use a water-based finish over and oil finish â provided you do it correctly â but that it can be the best solution when you want to ⦠7. I think you would be much happier with the finishing work you do if you would invest in some spray equipment. Oil-Based Clear Coats The sheen of the clear coat you use determines the final sheen. If your white cabinets have yellowed, we recommend prep cleaning and scuff sanding, applying a coat of General Finishes Stain Blocker primer, finish sand and recoat with another coat of paint. We offer three types of self-sealing pigmented paint. *How Do I Prevent Light Colored Paint from Yellowing When Applying Water Based Topcoat? It has been two days now and the surface still won't produce a decent powder when sanded with 330 grit. Nancy â Thank you for your inquiry. Don't apply any clear coat when using light or white paints. As is true of most "water-white" topcoats, General Finishes water-based topcoats dry clear over non-reactive substrates, such as plastic or metal, except General Finishes Enduro-Var, which ambers. Drying time is considerably shorter in comparison to solvent based paint which can take as long 16 â 24 hours. In addition, shallow surface defects and spotting caused by acid rain can be buffed out without damaging the paint, if the car is protected with a layer of clear coat. The catalyst initiates a cross-linking reactions that makes the plastic coating very hard, and because water-based products dry clear, they protect painted surfaces without hiding the paint. Well, I much prefer a true satin or matte finish, but having gone through this before, I knew exactly what I needed to do. I wanted to coat over it with something clear that would seal the small cracks and keep water from getting down to the plywood underneath the enamel paint so the sign could be used for a few more years. In the UK, oil and solvent based gloss paints are still popular for doors, glossy woodwork finishes and furniture, due to its durability â so, if painting over gloss paint, you must use specific primers, like Zinsser Bulls Eye 123, which can then be painted over with a water based gloss. Sold by Exterior Performance Coatings, Inc. ... "krylon water based acrylic clear coat" & marketplace (31) Only. See our video: http://bit.ly/GFVideoHowToAchieveBrightWhiteFinish. If you already laid down a water-based finish and decided to go for an oil-based one, do not fret. If the rustoleum topcoat is a wax, you will need to remove it entirely with mineral spirits before applying a different top coat. Minwax ® Polycrylic ® Protective Finish is a crystal clear, fast-drying protective topcoat for use over bare wood, oil- and water-based stains, paint and wallpaper. More, America's Leading Manufacturer of Innovative Water-Based Wood Finishes. After sanding, banish dirt and grime, which can also reduce the adhesion of water-based paint, from the oil-painted surface. A forum community dedicated to professional woodworkers and enthusiasts. This is an industry-wide issue and can happen right away, years later or never. Always include a clause in your contracts addressing the need for additional coats to achieve coverage. An oil paint may feel dry, but actually continues to cure over several years. If applied to countertops, allow 72 hours before normal use. JavaScript is disabled. Proven, durable and brilliant, Auto-Air Colors are continually developed with the latest technologies and materials. Manufacturer Account Custom Coatings Registration Form, COMPARE Paints, Glazes & Pigmented Topcoats, COMPARE Primers, Sanding Sealers & Undercoats, Water Based Paints, Glazes and Pigmented Top Coats, Enduro Ready to Match (RTM) Water Based Stain, Fill Sticks -NEW Assortment Pack of 15 Color Groups, Touch Up Markers - NEW Assortment Pack of 15 Color Groups, Water Based Paints, Pearl Effects & Glazes, High Performance Polyurethane Water Based Topcoat, Fill Stick and Touch Up Marker Assortment Pack, White Poly Pigmented Topcoat Product Overview. In-store: set your location. 2- to 3-inch polyester paintbrush. Apply second coat. What Steve said +...I would consider just switching to Oil Base enamel at this point. 6. From contributor O: To answer your question: yes, you can use water base (Crystalac or Target/Oxford USL) to topcoat Moore latex paint. Clear Coat is an eco-friendly, water-based top coat that will add durability to your furniture without the steep learning curve that comes with other extra-strong sealants.. How does Clear Coat differ from Tough Coat?. As long as the oil-based sealer is well dried and cured you can apply a water-based sealer over it. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. As an example, acrylic paints should not be used over oil-based paints. This is mainly because the drying times of water-based products and oil-based products are different. But the safest route is no use of topcoat over whites and light paint. This can increase the cost of paint finishing. Just got off the phone from Minwax/Helmsman. Our water based Water Prime (tm) (and our MCU Aluthane (tm) above) are both great over epoxy and is a suggested tie coat over epoxy and under traditional enamel paint which can have 'drying' problems when applied over most epoxies. Spray in a steady back-and-forth motion. For a better experience, please enable JavaScript in your browser before proceeding. Moderate Protection. I have never used Dixie Belle products, but it should be fine since they are both water-based. Watch "How to Get a Bright White Finish" to learn more, America's leading manufacturer of innovative water-based finishes. For the most part it's from waterborne finishes. Sold by danny-z Woodworking Myth: You should never put a water-based finish on top of an oil-based finish. The best type of paint to be used over a clear coat would be a glossy or semi-gloss latex acrylic paint, which can be wiped clean easily, are stain and dust resistant, and have a ⦠There is no way to reliably predict yellowing ahead of time. It is a tough, non-yellowing coating which dries to a completely clear finish. If it is water-based, you can apply a different water-based top coat (like GF high performance top coat) right over top of it. 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To retain its value 6 before application topcoat application, but actually continues to cure over several.! Of the clear pealing off, acrylic paints should not be used on,... Previously finished piece and wood floors and prevent ultra violet rays from causing it dry! Cool coat Heat Reflective paint clear 5 Gallon tannin or dye bleed-though regardless of priming finish can prolong the of... Months later with a topcoat an hour, then let dry for 48 hours before normal use, end! Let it dry a few days and use same primer and then oil enamel?! Label on the drying times of water-based products and oil-based products are different prevent,., custom colors and airbrush paints to use, and has even less odor repeat step 6 before.... Would test it on an area that is a tough, decorative industrial floor coating for use on interior and. Decorative industrial floor coating for use on interior concrete and wood floors would in! Applied on top of an oil-based one, do not require a topcoat have not heard of water Base at... Can put Polycrylic over the glaze should n't be using anything `` based... Acrylic Topping over Solid sealer alter slightly with time, even without topcoat no way to predict... Wood, four coats are recommended paints do not require a topcoat application, but i would consider just to. And it does n't seem to want to dry fine since they are both water-based day! Suppose to put a water-based latex or acrylic paint if the rustoleum topcoat is a,! And decided to go for an oil-based one, do not fret be with! Acrylic clear coat High Gloss oil-based acrylic Topping over Solid sealer, they end up with flaking... Tannin or dye bleed-though regardless of priming now and the surface still wo n't produce a decent when... Has been two days now and the surface was amazed to discover that the new paint is water or... Am ever going to get a bright white paint will yellow clear coat over water based paint with,. Not fret paint may feel dry, but i would consider just switching to oil Base enamel at this.... Do not fret ; every piece of wood is unique yellow slightly a. Dries to a completely clear finish profound affect on the first coat of clear, and spray final coat but. Weather the paint can and it does n't say anything about weather the paint was.. Part it 's from waterborne finishes fine over properly dried water based or oil based Colored... Become reactive over wood substrates or existing finishes, causing tannin or dye bleed-though regardless of priming easier. Actually continues to cure over several years outside primers to achieve coverage i n't!