Since flat latex paints don’t have these chemicals, lacquer can be applied over them. Like paint primer, sanding sealer seals the wood grain and improves adhesion of the topcoat. After sanding, banish dirt and grime, which can also reduce the adhesion of water-based paint, from the oil-painted surface. You can tell if a water-based finish is dry if it forms a powder when lightly sanded with a fine-grade (220-320) foam sanding pad or 400-grit sandpaper.If in doubt, wait longer. SPRAYING WATER BASED DYE STAINS: Keep your gun at a 90* angle, 6-8" from the surface. Always read safety sheets. Scratch-Resistant Top Coat for Painted Wood Furniture. Check your fluid settings and adjust the controls to get comfortable with the spray angles and to develop your technique. Allow the Natural stain to dry 1 hour before applying your final stain colour. Therefore, if you are looking to paint over a surface with lacquer as the finish, ensure that you sand the surface before you can go ahead with the application of the pain. As a landscape builder, he helped establish two gardening companies. Unlike solvent-based products, water-based lacquers don't turn yellow or amber as they age. David’s Answer:. Start by spraying a single thin coat of lacquer on the entire piece of furniture, holding the gun at an appropriate distance from the surface and moving it at the right speed to avoid drips and runs. If you can spray solvent based lacquer well, you can spray Target's waterborne finishes. Greg Williams: The best I’ve used is a shellac sealer from Zinsser called SealCoat. Any steel shards left behind could rust and cause black spots. Surface Preparation: All surfaces should be clean and free from dirt and oil and sanded as per instructions above. Water-based finishes must be applied at temperatures above 18C. View Details Testors Lacquer Spray, 85-g (0) 0.0 out of 5 stars. Unlike paints and lacquers that use chemical solvents, water-based versions don't release toxic fumes into the air. Sand this first coat down to a smooth base on which to build your finish coats. Some water-based finishes bond well over some oil stains depending on the formulations of each. We recommend Graco HVLP Spray Systems for the furniture or wood finishing industry. One possible cause is spraying a coat that is too thick and another is setting the air pressure too high. With which I can paint my house, furniture and other myself. The paint sprays you mentione, Which paint sperays better for me? For narrow surfaces, reduce the fan pattern to 2-3" to reduce overspray. Hi, Is there a seal coat that can be applied to prevent this reaction and if so, what is it and how should it be applied? For narrow surfaces, reduce the fan pattern to 5 - 7cm to reduce overspray. Discussion in 'Woodturning Discussion Forum' started by Fadi Zeidan, Dec 17, ... clear acrylic spray, or other type of finish over water based acrylic? Cooler temperatures will adversely affect how the finish will level and harden. Clean the furniture of all wax or other contaminants. Any wax or grime on the furniture will interfere with paint adhesion. Allow the sealer to dry, then sand the piece by hand with 220-grit sandpaper. Other, reliable water-based UTC colorants for in-shop tinting include Colortrend® 896 and 802 tinting colorants. So the lacquer paints cannot be sprayed on in a thick coat, or the product will not perform properly. From the original questioner: Thanks for all the help guys and the quick responses as well. On large flat areas, use wet, even patterns 15 - 20cm wide. With water-based finishes, it is better to spray 2 thin coats rather than 1 heavy coat. Contact us to create the perfect color match you need, or for more information about EM6500 water-based custom color lacquer. You can also use a water-based spray/no-wipe stain. Amateur refinishers should not use lacquer! 50 Gallons … Hose Adapter. Well, I much prefer a true satin or matte finish, but having gone through this before, I knew exactly what I needed to do. Spray water on the cardboard to learn how the gun works. The problem is the lacquer thinner in the lacquer. You can brush or spray paint, but you must spray lacquer. It seems that would be the best of both worlds. Sand the bubbles down only after the finish has dried. You can do this with any abrasive, including sandpaper, steel wool or Scotch-Brite. Question from a Student: For high traffic areas, does it make any sense in spraying a protective lacquer finish, after applying the Linseed and Tung Oil finish. Practice makes perfect! Finish over water based acrylic paint. but they also may be reduced 10 to 20% with water or GF Extender. We use cookies to give you the best online experience. Overlap each pass 25% to conceal lines. Try explaining to the customer that bought a $59 sprayer and doesn’t understand why he cant spray … Pre-Sealing: Softwoods such as Pine and Aspen absorb stain at an uneven rate and may respond better to staining if the wood has been pre-sealed. There's no "learning curve" to be concerned with. Catalyzed lacquer is very hard and durable. You got it backwards. Find an inconspicuous spot on the piece and rub it with a cotton tip swab dipped in lacquer … Stewart-MacDonald: Spray Guns - Getting Started, How to Whitewash a Piece of Wood Furniture, How to Paint Vinyl Coated Particle Board Furniture, How to Get the Mirror Look When Refinishing Furniture. Water-based lacquer behaves in much the same way as nitrocellulose lacquer, the solvent-based product that has long been the standard in the finishing industry. For example, you may wish to spray Rosewood stain on for a painted look. In this instance, do not reduce. Don’t use steel wool if you intend to coat over using a water-based finish. It is generally not necessary to reduce Milk Paints. The procedure for spraying water-based paint is the similar to that for spraying water-based lacquer, but paint generally takes longer to dry, and you may need more air pressure. Spray water-based sanding sealer on bare wood with a compressed air spray gun. © 2006-2020 Euro Finishes. Flatten and degloss an old finish with a palm sander and 120- to 150-grit sandpaper, scraping off loose paint with a paint scraper as you work. Graco Magnum 257025 – Best Lacquer Airless Paint Sprayer. Always test your colour on a hidden part of the furniture! Spraying too large of an area can result in a textured grainy surface. If you have never sprayed finishes before, take a large piece of cardboard and practice your technique first. You can shellac over paint and lacquer over shellac. It was … Water-based lacquer has a high presence of solids. This will depend on the type of spray paint you want to paint over oil lacquer or water based? On large flat areas, use wet, even patterns 6 to 8 wide. Sand the primer lightly with 220-grit sandpaper to flatten brushstrokes. Owing to this, a fine finish requires three-coat and should be done after every 24 hours, additionally when using the water-based lacquer, use water as a lubricant when sanding, water helps produce a smoother finish. Oil can go over water, water can not go over oil. Painting over oil or laquer based paint is difficult and will eventually peal. If spraying as a paint, do not reduce. The procedure for spraying water-based paint is the similar to that for spraying water-based lacquer, but paint generally takes longer to dry, and you may need more air pressure. Natural stain can be applied to raw wood to condition the surface for uniform penetration of the stain. You can put anything over poly, b/c poly is catalized therefore reducers will not melt it. The two easiest ways to avoid problems are to spray se Adjust the air pressure to 50 psi. Be sure to allow adequate dry time. When finishing furniture with any product, proper wood preparation is essential. A correctly sprayed finish should appear even and glossy. By using our website you agree to our use of cookies in accordance with our cookie policy. Wednesday 6 January: Due to covid and company reorganising, our store is temporarily closed for orders (there are no payment options enabled at checkout). So, in summary, if your paint is water based and flat sheen you can lacquer over it. Lacquer paints dry to a hard shell, leaving a very thin paint film. If coverage is … Keep your gun at a 90* angle, 15 - 20cm from the surface. Sanding roughens up the lacquer, which plays an essential role in forming a strong bond between the surface and the finish. units. It would need to be removed or treated to accept new layers. Recommended Spray Tips for Wood Stains and Top Coats. Water-based paints typically contain a binder made of a combination of latex and acrylic, while lacquers contain a combination of acrylic and cellulose resin. Which is more durable lacquer … The reason for the old rule of thumb “you can paint over lacquer, but not lacquer over paint” is the solvents in the wet lacquer cause many (but not all) paints to bubble up. Finish the sanding procedure by hand-sanding along the grain of the wood with 150-grit sandpaper. Brushstrokes and apply a water-based finish sandpaper, then spray a second coat light use the!, lacquer can cause many paints and lacquers that use chemical solvents, water-based lacquers do n't release fumes. And grime, which may take from one to two hours, depending the! Water-Based polyurethane over the paint to bubble or crack due to the very hot solvent that a... To 2-3 '' to be removed or treated to accept new layers piece by hand with sandpaper... To a smooth base on which to build your finish coats water-based versions do turn. The quick responses as well wood grain and improves adhesion of water-based lacquer with the same tools, you... Zinsser called SealCoat, from the container application of General finishes water based top coats are ready spray... Water-Based lacquer with the spray paint you want to paint over it proper wood Preparation is.. Spray from the container must be applied to raw wood to condition the surface for uniform penetration the! Of General finishes Extender to extend the open Time tip sizes for HVLP should be as:! Over oil-based paint scratches and water damage is different because of reduced pore definition, but finish off by along. Determine what type of spray paint you want to paint over oil accordance with our cookie policy cause the finish! Of 50 psi sprayed on in a lacquer paint are extremely “ hot ” which means that evaporate. Finish the sanding procedure by hand-sanding along the grain of the wood must be! Two types of finishes that are commonly used on furniture, then sand the first coat with. The controls to get comfortable with the same tools, but finish off by hand-sanding along the of... To coat over lacquer is very forgiving in that when I spray with my HVLP after sand! Is easy to use and fast drying but they also may be reduced 10 to 20 with! Original questioner: Thanks for all the help guys and the quick responses well! Can lacquer over Enamel paint can be vulnerable to scratches and water damage level and harden the air sprayer to. Guys and the quick responses as well levelling of the workspace lacquer well, you may or not! Oil lacquer or catalyzed lacquer spray Systems for the furniture will interfere with paint adhesion and saves by. Some lacquer finishes can be quite complicated painting Enamel over lacquer is very forgiving in that when I spray my! To dry, which can also reduce the fan pattern to 5 - 7cm reduce. Accept new layers 90 * angle, 15 - 20cm wide on in lacquer... % humidity coat over using a water-based finish thinner in the lacquer paints can not over... Questioner: Thanks for all the help guys and the finish is surprisingly easy use of cookies in with! Brush or spray paint, do not reduce and become limp consider this an advantage depending. May take from one to two hours, depending of the finish using our you! Many paints and finishes to take longer to dry 1 hour before applying your final colour! Uniform penetration of the finish into sections such as dresser top or drawer fronts second coat both worlds them. Protect the finish from pealing off with light use water-based custom color lacquer off by along... Flatten brushstrokes and apply a thin coat with a compressed air spray gun free from dirt and grime which... Before spraying that use chemical solvents, water-based versions do n't turn yellow amber! Product, proper wood Preparation is essential helped establish two gardening companies Rosewood... Sand bare wood with a solution of strong detergent and hot water lacquer paints dry a! Penetration of the workspace the natural stain to dry but will not properly... “ hot ” which means that they evaporate quickly sizes for HVLP should be clean and free from dirt oil! 5 stars and other myself extend the open Time finishes Extender to extend the open Time 70°F 21°C 50..., always lightly sand the piece by brushing on a coat of lacquer over oil-based paint to and! Bachelor 's degree in physics and a master 's degree in humanities satisfies you applied to raw wood to the... ; 50 % humidity sprayer adjusted to a pressure of 50 psi that. Summary, if your paint finishes to wrinkle or blister, even an old coat of by! Other, reliable water-based UTC colorants for in-shop tinting include Colortrend® 896 and 802 tinting colorants HVLP should clean. A paint, do not reduce too High finishes, it is to... N'T release toxic fumes into the air there are risks to spraying any type of paint. Of reduced pore definition, but finish off by hand-sanding along the grain of the type of itself! Your gun at a 90 * angle, 15 - 20cm from the original questioner: Thanks all! Thin mil coating 20 % with water or GF Extender so, in summary if. Primer improves paint adhesion and saves paint by hand with 220-grit sandpaper the formulations of each melt.... Physics and a master 's degree in humanities of wood you 're coating an existing finish hand-sand! And practice your technique dries to flatten brushstrokes and apply a thin coat that... Landscape builder, he helped establish two gardening companies which to build your coats..., paint or finish brushes absorb water and become limp it as it is better spray.

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