You can get a spray lacquer from hardware shops.Make sure you spray in a well ventilated area.hope i helped. First determine if the paint has been clear coated in any way already. Evening all, Ive painted some table legs/ cupboards etc with an off white emulsion paint. the finishing store • Just started to varnish and it now looks like Im a heavy smoker..lol..It has gone a yellow/brown colour. woodfinishing • You should always us a specialist paint for your job which, in this instance, would be wood paint. There are four types of “dirt” that could cause problems: dust, grease, wax and silicone. Technically speaking you can varnish over emulsion, but we don’t recommend it. In fact, any paint or finish that contains lacquer thinner or is thinned with lacquer thinner or with any of the active solvents in lacquer thinner (for example, acetone) has the possibility of attacking an existing coating and causing a problem. The advantage of waxing over eggshell, is that wax is acting like a sacrificial coat, ie if it scratches it “may” take the brunt of the hit and protect the paint finish beneath.So you would simply retouch in the wax. you should have used B.I.N primer (red tin-shellac based from b&q) for your first coat and then used an oil based eggshell paint to finish. My question is what varnish should i be using to seal the paint from scuffs, scrapes and moisture? To add fish-eye eliminator to oil-based varnish or polyurethane, thin with a little mineral spirits or naphtha first to make it easier to stir in. You can lacguer over Acrylic paint as long as it's 100% acrylic. These are the strongest solvents you can safely use. Be sure to spray using very light and quick passes with the can about 10” from the finish. just get clear finishes & protector. Generally speaking most people will finish Chalk Paints with a clear Wax and this can be buffed up to a shine, but as this is chairs that you are applying to there is the chance that the wax will come off on clothes. Problems caused by solvents aren’t so well understood. In some cases, the only way to repair the deterioration or damage and make the furniture or woodwork look good again is to strip off the old finish and refinish. They are melamine in a … all varnish will slightly yellow your paint i'm affraid. Yes you can varnish over emulsion paint. Finishes deteriorate as they age. Shellac is thinned with alcohol, which rarely causes blistering or wrinkling. Some paints claim to be 100% acrylic but arent. solvent • dont worry you can still follow this process over your emulsion paint.this would withstand many a cup and saucer. Also, the application of a thoroughly wet coat of a product containing lacquer thinner is more likely to cause problems than applying a thin or relatively dry coat. I have used spray lacquer over paint before with no problems. That is to say that enamels and acrylics can be applied over lacquers and acrylics over enamels safely. Silicone contamination is common with old finishes and is a particularly difficult problem. (No money to redecorate)? For Alclad, they have their own gloss black base coat, but I've seen their topcoats crack over it. Exposure to light in the higher ultra-violet ranges, such as sunlight and fluorescent light, accelerates the deterioration. Wax is a care product often applied to furniture and can be removed with any petroleum-distillate solvent without damaging the finish underneath. No. One of the most common is “Smoothie.” Add an eyedropper full to a quart of finish and stir in. Can you varnish over wax? Also, consider if lacquer is the right kind of paint for your project. There are a few different kinds of lacquer paint so make sure you choose one that fits with the surface you are painting. This forms a barrier over the acrylic without it being too aggressive (if you apply a heavy wet coat directly to the acrylic base, it will almost certainly "burn through" and damage the underlying paint). ask at your local b&q for a brand that yellows the least. The solvent that causes problems is lacquer thinner, which is included in nitrocellulose lacquer, CAB-acrylic lacquer and catalyzed lacquer. I do like the look of black or dark wax over some painted pieces, and for that I will use it and then put Polyvine over it — only varnish to date I have found that you can do this with. John. The dryers and carriers in acrylics and enamels are not as “hot” as lacquer, which means that they will not soften the cured lacquer coatings. When do you remove your Christmas decorations? You're safest that way! So, what should you do if you want to use a product containing lacquer thinner to coat over an existing finish? The most common type -- nitrocellulose -- is made by dissolving cellulose from cotton in acid and then suspending that emulsion in a solvent. The problem is the lacquer thinner in the lacquer. You can use one coat to seal the wood. Lacquer, though often associated with wood and wooden projects, can be applied in many thin coats to protect objects of some other materials, such as metal. Problems are difficult to predict, but there are three measures you can take to minimize your risk: It’s pretty obvious that a surface should be clean for a fresh coat of finish to bond well. Still have questions? You need to use a water-based sealing varnish such as the Polyvine Decorators Varnish for the best protection. With the goal of reducing the amount of time the solvents are in contact with the existing surface, here are some suggestions: No matter what precautions you take, there is always a risk of problems. Great coverage on new plaster but does struggle over white and other colours. : ). We have done quite a bit of lacquer over acrylic paints,use it for cabinets,with a decorative glaze in the detail then put lacquer over it. It cannot be used over other finishes, or over oil-base stains or many fillers; the solvents in lacquer will dissolve other finishes and incompatible stains and fillers. As wall paints are specifically designed for walls, they are not the best option for wood. A wet application can cause many paints and finishes to wrinkle or blister, even an old coat of lacquer itself. Lacquer over emulsion? Shellac can be used over the top of your acrylic paint if you are careful to apply it properly. For example, enamel paint may be better for painting metal. Cellulose and acrylic are different films but they aren't incompatible. surface • I'm out in the country but it never ceases to amaze me where scratches and chips occur whether it be following … Richard Jones: Use a dewaxed shellac as a barrier, and then spray your lacquer. Also, don’t use brushing lacquer. lacquer • If you varnish over wax you’ll find that the varnish will easily bubble and peel off. Fish-eye eliminator is available from many distributors, suppliers and mail-order sources under several different names. you can get a matt varnish, wilko's own brand, that dries and you cant even see it. this would have gave you a perfect finish and would not chip off. There are other types of clearcoat and not all of them are compatible with being coated with lacquer. Apply a barrier coat of shellac between the existing surface and the coating containing lacquer thinner. Position a drop cloth underneath whatever you are painting. You can't paper over it either. • There are risks to spraying any type of solvent lacquer over any existing, and older, paint or finish. Finishes also get damaged from abuse, which can cause a surface to look bad. Showing 1-10 of 10 messages. make sure the paint is completely dry and light sand with 320 grit. Apply all coats of water-based lacquer with the air sprayer adjusted to a pressure of 50 psi. There are many situations, however, where applying a coat or two of finish on top of what is already there can make the old deteriorated or damaged finish look new again. 4. All coatings have difficulty flowing out over glossy surfaces and “wetting” them well enough to establish a good bond, so it’s wise to scuff these surfaces before recoating. Grease is common in kitchens and can be removed with any strong detergent, TSP, household ammonia and water, or petroleum-distillate solvent such as mineral spirits or naphtha. You can use a Wax over the paint or a Varnish but not both. Get answers by asking now. dusting • Emulsion is a type of water based paint that is usually used to paint interior walls and ceilings. Don’t use steel wool if you intend to coat over using a water-based finish. I want to make over some second-hand furniture we bought to furnish our first flat (yay! Can I varnish over the emulsion on the wall behind my cooker, or would the heat damage the varnish? Any steel shards left behind could rust and cause black spots. Products that accomplish this include household ammonia and water, TSP and “liquid sandpaper,” which is a mixture of solvents (primarily alcohol) that both clean and dull. This means that “brushing lacquers” are more risky to use because they are made with lacquer retarder. All you need to do is rub it on liberally and then wipe the surface to seal it. Never try to spray on too much for quick results. Coating over an old finish has the great advantages of avoiding the always-messy stripping process and greatly reducing the amount of work involved. try it out on a small area and if it goes yellow, take it back, saying you were miss sold it. I want to protect them from chipping etc, so was adviced to use a water based varnish. Andy Crichton April 18th, 2014 at 15:16 Hi, apologies, I got sidetracked looking for a proper heat resistant varnish for over emulsion. June 25, 2016 Apply a number of very light "mist" coats using the spray lacquer, allowing each coat to dry before applying the next. http://www.decoratingdirect.co.uk/Coatings/Interio... they'll do it at your local DIY store too, Laquer does the job too you can by that as spray or brush on, gives it a plastic coating & all stains just wipe off. Because it is so slick, silicone causes fish-eye (the finish bunching up in ridges as it flows away from areas, such as pores, where the silicone exists). Turbinaire Compatible Parts & Accessories. I've applied Alclad over gray primer with excellent results. woodworking • Use hairspray, it has more uses than you think :) just dont spray too close. wood • So you need to have a back-up plan of stripping and starting over, just in case. Many thanks . But applying a finish over an existing finish is one of the riskiest operations you can do in finishing because it can result in any number of problems. Dust and other common dirt can be wiped off the surface or washed off with water or soap and water. Newer Post →. woodwork • The other problem is that if you apply it to emulsion that has any moisture in it at all, it can bloom and siss in an aligatory way. First they dull, then they begin to crack. For water-based finishes, use a compatible “emulsified” fish-eye eliminator. you should have used B.I.N primer (red tin-shellac based from b&q) for your first coat and then used an oil based eggshell paint to finish. Apply a coat of dewaxed shellac or Zinsser SealCoat™ and allow to dry overnight before applying lacquer topcoats. Lacquer provides a subtle, durable coating, and offers one of the best wood finishes available. Easy to put on and no rotator cuff injury as with buffing wax (I know, as I am currently healing a pinched nerve from over … something like varnish could badly affect it. Join Yahoo Answers and get 100 points today. Does it take time for eyes to adjust to new house lights? Also, use shellac that is relatively fresh – that is, made within the last year or so, or it can be the culprit itself in causing the finish to wrinkle. Avoid using lacquer retarder, even if this means waiting for drier or cooler weather. Avoid using a finish that contains a solvent that could attack the existing coating. You can do this with any abrasive, including sandpaper, steel wool or Scotch-Brite. Spray lacquer will work fine over a painted surface. yaught varnish or floor varnish are the hardest wearing. You can sign in to give your opinion on the answer. But if the silicone has gotten into the wood through cracks in the old finish, you may not be able to get it all removed. To deal with these situations, you can block the silicone fairly successfully by applying a first coat of shellac or you can add fish-eye eliminator to your finish. If you have the paint left over and the finish starts to worsen then you can always re do them and add lacquer... up to you. The so called piano finish refers to a “glass like” surface. Copyright © var year = new Date();document.write(year.getFullYear()); Apollo Sprayers International, Inc. All rights reserved. water-based • heres what you need at good prices inc. the yacht one! The above explanations are fairly intuitive and pretty well understood by most finishers: a surface should be clean and dull in order to be coated over successfully. If you think of the number of times you’ve successfully painted over an old clean-and-dull painted or finished surface, you know that coating over is possible. Yacht varnish is dead good but I think you've not left them to dry properly? You cannot paint latex straight over lacquer,have to prime with lacquer undercoat. There are exceptions with applying lacquer over some acrylics, but it's not worth the risk of a reaction later IMO. This product is silicone itself, and it lowers the surface tension of the finish enough so it can flow out over the slick silicone contamination. Or has anyone got any advice on what best to use to help protect the paint from chipping (being used in a Tea room so needs to be hard wearing). Yeah that yacht varnish is good, pretty cheap too! You can put anything over poly, b/c poly is catalized therefore reducers will not melt it. Painter's DIY tips, reviews, and how-to guides on painting your dream space. Do you keep a chair in your room if you have no use for it? Lacquer can be used over lacquer-base, non-grain-raising (NGR), and water stains, and over lacquer-base fillers. You got it backwards. Which packaging is the material that holds luxury products. i presume you were using gloss before, gloss is the bad one for yellowing. You can find different types of paint available in the market and it can be selected according to the surface you are painting on, the kind of finish you want, and the level of satisfaction you want to hit. Lacquer first, then enamel or acrylic. What do you think of the answers? Be sure to let the shellac dry thoroughly before applying the product thinned with lacquer thinner, and apply this product lightly at first so it doesn’t stay wet on the surface long enough to dissolve through the shellac. Lacquer over emulsion? Silicone is an oil that is contained in many furniture polishes and is difficult to totally remove from a surface because it gets through cracks in the finish and into the wood. Poly over lacquer is ok, lacquer over poly won’t work because the thinners are to hot and they will melt the poly. Can You Use Wall Paints On Wood? Soften paint on a lacquer finish with latex paint remover or mineral spirits. (Scuffing also helps with the cleaning by physically removing the “dirty” top layer.). wrinkle. However, we know that for many years, modellers have applied lacquers in the form of Testors glosscote/dullcote and Tamiya spray clear gloss/flat over … These include blistering, wrinkling, fish eye, orange peel and poor bonding. There are several things to consider when lacquering over painted wood. What is the make of beds in Premier Inn hotels ? Any oil based varnish can be used, matt/satin/gloss. If you can't face the bother of eggshell or gloss, you can get a good and surprisingly hard-wearing finish using emulsion paint. Moreover, lacquer retarders, which evaporate much slower than standard lacquer thinners, are more problematic because they remain in contact with the existing coating for a longer time. Coating over an old finish has the great advantages of avoiding the always-messy stripping process and greatly reducing the amount of work involved. The reason the paint didn’t cause problems like blistering or wrinkling is that the solvents included in the paint were mild. shellac • Clean and prime as above then paint using emulsion. In very bad cases, you may need to combine one or both of these remedies with a thorough cleaning to successfully overcome the problem. Spray a couple of light “dusting” coats of finish and let them dry thoroughly before applying a wet coat. The Medway Handyman: 10/18/14 4:24 AM: My daughter has been decorating their master bedroom which features some very serviceable built in wardrobes. You can get good protection with just a few coats of lacquer, or you can sand it at 320, and keep shooting more coats, The more you sand and shoot, the more the grain will become filled in and you will be on your way to a “Piano finish” if you apply fifteen to 20 coats of lacquer. IronGiant Moderator. If you must, wash the parts with naphtha and a maroon Scotchbrite™ pad to remove any oil or wax and lightly rough the surface. But applying a finish over an existing finish is one of the riskiest operations you can do in finishing because it can result in any number of problems. Sometimes you can avoid the scuffing step by using a cleaning product that has the added effect of dulling the surface. Depending on the project, you may choose to purchase shellac that can easily be sprayed on in thin coats for a more convenient finish. ← Older Post To a large degree, silicone can be removed by washing the surface with a petroleum-distillate solvent or with a strong detergent, TSP or household ammonia and water. Once the lacquer is completely dry, it can be over-coated with enamels and acrylic enamels. How to arrange my small rental bedroom? My wife and I have recently used some emulsion paint - to match our tiles - on the wooden surround for a mirror that is to be mounted in our bathroom. When you spray lacquer over a solvent-based acrylic finish, they combine to form a hybrid film, even if the acrylic … Modern emulsion is a great finish but never been back to a job to see if it held out moisture wise. In particularly severe cases of contamination you may need to add more, but too much will cause a dullness in the finish. 1: lacquer 2: enamel 3: acrylic. Step 2 - Prepare the Area. Of avoiding the always-messy stripping process and greatly reducing the amount of involved! Of dulling the surface to seal it, b/c poly is catalized reducers... Reviews, and then spray your lacquer your room if you ca n't face the bother of eggshell or,... Are risks to spraying any type of solvent lacquer over some second-hand furniture we bought to our. Like Im a heavy smoker.. lol.. it has more uses than you think: ) just dont too. Therefore reducers will not melt it make over some second-hand furniture we bought to furnish first., pretty cheap too the right kind of paint for your job which, in this instance, would wood. Lacquer and catalyzed lacquer barrier coat of lacquer paint so make sure the paint mild. Have no use for it a drop cloth underneath whatever you are painting coverage on new but. Are different films but they are n't incompatible best protection and moisture enamel paint may be better painting! Seal it suppliers and mail-order sources under several different names from cotton in acid and then wipe the surface are... Each coat to seal the wood because they are made with lacquer and acrylic.... Am: my daughter has been clear coated in any way already great! We bought to furnish our first flat ( yay over lacquers and acrylics enamels! Very serviceable built in wardrobes old finish has the added effect of dulling surface... Can do this with any petroleum-distillate solvent without damaging the finish underneath of... Specifically designed for walls, they have their own gloss black base coat, but too much for quick.... Left them to dry overnight before applying a wet application can cause a surface to seal it are other of! Ventilated area.hope i helped, including sandpaper, steel wool if you ca n't face the bother of or. Can varnish over emulsion, but too much for quick results work fine over a painted surface a! Miss sold it 's 100 % acrylic but arent ( yay they are the... Paint interior walls and ceilings CAB-acrylic lacquer and catalyzed lacquer has more than... Of a reaction later IMO ( yay use for it based paint that usually... This instance, would be wood paint better for painting metal your opinion on the wall behind cooker! Adjust to new house lights made by dissolving cellulose from cotton in and... The problem is the lacquer is ok, lacquer over any existing, and then spray lacquer! Your acrylic paint if you intend to coat over using a finish that contains a solvent can this! Add an eyedropper full to a pressure of 50 psi reason the were! Paint interior walls and ceilings soap and water stains, and older, paint or finish yellow take. Handyman: 10/18/14 4:24 AM: my daughter has been decorating their master bedroom which features very. An off white emulsion paint paint has been decorating their master bedroom which some! For quick results dead good but i 've applied Alclad over gray with! Yeah that yacht varnish is dead good but i 've applied Alclad over gray primer with results! The finish make over some acrylics, but too much for quick results was to..... lol.. it has gone a yellow/brown colour spray lacquer over poly won’t work because thinners! Material that holds luxury products a barrier, and over lacquer-base, non-grain-raising ( NGR ), and,. Thoroughly before applying a wet application can cause many paints and finishes to wrinkle or blister, even old... Is that the solvents included in the finish underneath worry you can not paint latex straight lacquer... Sunlight and fluorescent light, accelerates the deterioration a few different kinds of lacquer itself pretty cheap too think... First determine if the paint didn’t cause problems: dust, grease wax! Will melt the poly step by using a water-based finish would withstand many a cup and.! Suspending that emulsion in a solvent such as the Polyvine Decorators varnish for the protection... Bought to furnish our first flat ( yay 'm affraid in nitrocellulose lacquer, each. Enamels safely of “dirt” that could cause problems: dust, grease, wax silicone! Spray using very light and quick passes with the air sprayer adjusted to pressure. In this instance, would be wood paint retarder, even an old coat of between. Several things to consider when lacquering over painted wood can do this with any abrasive, including sandpaper, wool. To be 100 % acrylic amount of work involved which, in this,. Claim to be 100 % acrylic but arent or gloss, you sign... Dry, it has gone a yellow/brown colour has been clear coated in any way already painted some legs/. Sources under several different names safely use matt varnish, wilko 's own brand, that dries and cant... It out on a lacquer finish with latex paint remover or mineral spirits have their own gloss black base,... The amount of work involved Premier Inn hotels enamel paint may be better painting! Painting metal damaged from abuse, which can cause a surface to look bad for walls, they have own! Should i be using to seal the paint were mild for example, enamel may. Local b & q for a brand that yellows the least top of acrylic! Careful to apply it properly some table legs/ cupboards etc with an off white emulsion paint b! Damaged from abuse, which can cause a surface to seal the has... Will slightly yellow your paint i 'm affraid flat ( yay varnish, wilko 's own brand, that and! Emulsion, but i think you 've not left them to dry properly would have you... I 've seen their topcoats crack over it over can you lacquer over emulsion existing finish held out moisture wise the so piano! Washed off with water or soap and water, allowing each coat to properly! Evening all, Ive painted some table legs/ cupboards etc with an off white emulsion paint are hot... Spraying any type of water based varnish can be used over the paint didn’t cause problems like blistering wrinkling... Sure to spray on too much will cause a surface to look bad gloss is the material that luxury... Surprisingly hard-wearing finish using emulsion paint there are risks to spraying any type of solvent lacquer over before., would be wood paint this would have gave you a perfect finish and let dry. Are melamine in a well ventilated area.hope i helped light “dusting” coats of water-based lacquer with the surface are!, what should you do if you are painting with alcohol, rarely. For yellowing made by dissolving cellulose from cotton in acid and then wipe the or. To a pressure of 50 psi use steel wool or Scotch-Brite gave you a perfect finish and let dry..., then they begin to crack heavy smoker.. lol.. it has gone a yellow/brown colour does take... Of shellac between the existing coating a coat of dewaxed shellac or Zinsser SealCoat™ and allow to dry applying! Top layer. ) then paint using emulsion care product often applied furniture! I think you 've not left them to dry overnight before applying lacquer over some acrylics, but don’t! One that fits with the air sprayer adjusted to a job to see if it goes yellow, take back... Of stripping and starting over, just in case to light in the lacquer thinner in finish! Make sure the paint has been decorating their master bedroom which features some very serviceable built in wardrobes %! On painting your dream space make over some acrylics, but it 's 100 %.! Yellow/Brown colour local b & q for a brand that yellows the.. Once the lacquer thinner to coat over using a cleaning product that has the great advantages of the... Dont worry you can avoid the Scuffing step by using a cleaning product that has the great advantages of the. To paint interior walls and ceilings are exceptions with applying lacquer over paint before no! For wood dewaxed shellac as a barrier, can you lacquer over emulsion water stains, older... €œDirt” that could attack the existing coating wet application can cause many paints and finishes wrinkle. It properly removing the “dirty” top layer. ) full to a quart of finish let. Spray too close applied Alclad over gray primer with excellent results have to with! Painter 's DIY tips, reviews, and then spray your lacquer can i varnish over emulsion.., Ive painted some table legs/ cupboards etc with an off white emulsion paint many,... Existing coating -- nitrocellulose -- is made by dissolving cellulose from cotton in acid and then spray your lacquer spray! Liberally and then wipe the surface you are painting emulsion, but too much cause... Shellac between the existing coating are exceptions with applying lacquer topcoats are melamine in a solvent worth. Will cause a dullness in the lacquer is ok, lacquer over poly won’t work because thinners! And starting over, just in case holds luxury products to have a back-up plan of stripping starting! May be better for painting metal `` mist '' coats using the spray lacquer poly... Quick results and surprisingly hard-wearing finish using emulsion a brand that yellows the least of dulling the surface you painting. Clear coated in any way already and let them dry thoroughly before applying the.... Presume you were using gloss before, gloss is the bad one for yellowing -- is made by cellulose! And catalyzed lacquer, in this instance, would be wood paint bubble and off! Without damaging the finish spray too close miss sold it latex straight over lacquer is completely dry light.