Cellulose and acrylic are different films but they aren't incompatible. Problems caused by solvents aren’t so well understood. Get answers by asking now. Evening all, Ive painted some table legs/ cupboards etc with an off white emulsion paint. this would have gave you a perfect finish and would not chip off. Which packaging is the material that holds luxury products. Lacquer can be used over lacquer-base, non-grain-raising (NGR), and water stains, and over lacquer-base fillers. Yes you can varnish over emulsion paint. Can you varnish over wax? 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. Does it take time for eyes to adjust to new house lights? Soften paint on a lacquer finish with latex paint remover or mineral spirits. Yacht varnish is dead good but I think you've not left them to dry properly? 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). the finishing store • 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. A wet application can cause many paints and finishes to wrinkle or blister, even an old coat of lacquer itself. No. 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 … What is the make of beds in Premier Inn hotels ? i presume you were using gloss before, gloss is the bad one for yellowing. 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. surface • You can't paper over it either. You can lacguer over Acrylic paint as long as it's 100% acrylic. Lacquer over emulsion? 4. There are risks to spraying any type of solvent lacquer over any existing, and older, paint or finish. I want to make over some second-hand furniture we bought to furnish our first flat (yay! The reason the paint didn’t cause problems like blistering or wrinkling is that the solvents included in the paint were mild. 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). Copyright © var year = new Date();document.write(year.getFullYear()); Apollo Sprayers International, Inc. All rights reserved. This means that “brushing lacquers” are more risky to use because they are made with lacquer retarder. Join Yahoo Answers and get 100 points today. 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. wrinkle. When do you remove your Christmas decorations? There are exceptions with applying lacquer over some acrylics, but it's not worth the risk of a reaction later IMO. Spray lacquer will work fine over a painted surface. water-based • 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. heres what you need at good prices inc. the yacht one! You got it backwards. Also, don’t use brushing lacquer. There are four types of “dirt” that could cause problems: dust, grease, wax and silicone. You can sign in to give your opinion on the answer. June 25, 2016 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. dusting • woodwork • 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. So you need to have a back-up plan of stripping and starting over, just in case. woodfinishing • Clean and prime as above then paint using emulsion. Avoid using lacquer retarder, even if this means waiting for drier or cooler weather. The most common type -- nitrocellulose -- is made by dissolving cellulose from cotton in acid and then suspending that emulsion in a solvent. If you varnish over wax you’ll find that the varnish will easily bubble and peel off. Finishes deteriorate as they age. wood • You can use a Wax over the paint or a Varnish but not both. woodworking • Apply a coat of dewaxed shellac or Zinsser SealCoat™ and allow to dry overnight before applying lacquer topcoats. 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. So, what should you do if you want to use a product containing lacquer thinner to coat over an existing finish? Wax is a care product often applied to furniture and can be removed with any petroleum-distillate solvent without damaging the finish underneath. 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. Some paints claim to be 100% acrylic but arent. You should always us a specialist paint for your job which, in this instance, would be wood paint. 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. Modern emulsion is a great finish but never been back to a job to see if it held out moisture wise. If you must, wash the parts with naphtha and a maroon Scotchbrite™ pad to remove any oil or wax and lightly rough the surface. something like varnish could badly affect it. Do you keep a chair in your room if you have no use for it? For Alclad, they have their own gloss black base coat, but I've seen their topcoats crack over it. If you can't face the bother of eggshell or gloss, you can get a good and surprisingly hard-wearing finish using emulsion paint. ask at your local b&q for a brand that yellows the least. That is to say that enamels and acrylics can be applied over lacquers and acrylics over enamels safely. First they dull, then they begin to crack. These include blistering, wrinkling, fish eye, orange peel and poor bonding. Turbinaire Compatible Parts & Accessories. Shellac is thinned with alcohol, which rarely causes blistering or wrinkling. IronGiant Moderator. My question is what varnish should i be using to seal the paint from scuffs, scrapes and moisture? These are the strongest solvents you can safely use. Lacquer first, then enamel or acrylic. As wall paints are specifically designed for walls, they are not the best option for wood. I want to protect them from chipping etc, so was adviced to use a water based varnish. Any oil based varnish can be used, matt/satin/gloss. Technically speaking you can varnish over emulsion, but we don’t recommend it. yaught varnish or floor varnish are the hardest wearing. Can You Use Wall Paints On Wood? Use hairspray, it has more uses than you think :) just dont spray too close. You can do this with any abrasive, including sandpaper, steel wool or Scotch-Brite. Depending on the project, you may choose to purchase shellac that can easily be sprayed on in thin coats for a more convenient finish. How to arrange my small rental bedroom? I have used spray lacquer over paint before with no problems. 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. 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. 1: lacquer 2: enamel 3: acrylic. You cannot paint latex straight over lacquer,have to prime with lacquer undercoat. shellac • 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. 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. Newer Post →. In particularly severe cases of contamination you may need to add more, but too much will cause a dullness in the finish. Lacquer over emulsion? Emulsion is a type of water based paint that is usually used to paint interior walls and ceilings. Apply a barrier coat of shellac between the existing surface and the coating containing lacquer thinner. The solvent that causes problems is lacquer thinner, which is included in nitrocellulose lacquer, CAB-acrylic lacquer and catalyzed lacquer. John. 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. Coating over an old finish has the great advantages of avoiding the always-messy stripping process and greatly reducing the amount of work involved. make sure the paint is completely dry and light sand with 320 grit. 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. Just started to varnish and it now looks like Im a heavy smoker..lol..It has gone a yellow/brown colour. 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. There are a few different kinds of lacquer paint so make sure you choose one that fits with the surface you are painting. : ). Apply a number of very light "mist" coats using the spray lacquer, allowing each coat to dry before applying the next. 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. 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. Never try to spray on too much for quick results. Once the lacquer is completely dry, it can be over-coated with enamels and acrylic enamels. 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. try it out on a small area and if it goes yellow, take it back, saying you were miss sold it. The so called piano finish refers to a “glass like” surface. Exposure to light in the higher ultra-violet ranges, such as sunlight and fluorescent light, accelerates the deterioration. (Scuffing also helps with the cleaning by physically removing the “dirty” top layer.). 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. Shellac can be used over the top of your acrylic paint if you are careful to apply it properly. 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. 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. 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. You're safest that way! lacquer • Sometimes you can avoid the scuffing step by using a cleaning product that has the added effect of dulling the surface. 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. You need to use a water-based sealing varnish such as the Polyvine Decorators Varnish for the best protection. 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. Richard Jones: Use a dewaxed shellac as a barrier, and then spray your lacquer. Silicone contamination is common with old finishes and is a particularly difficult problem. There are several things to consider when lacquering over painted wood. The problem is the lacquer thinner in the lacquer. Step 2 - Prepare the Area. 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). solvent • Position a drop cloth underneath whatever you are painting. Lacquer provides a subtle, durable coating, and offers one of the best wood finishes available. You can use one coat to seal the wood. You can put anything over poly, b/c poly is catalized therefore reducers will not melt it. When you spray lacquer over a solvent-based acrylic finish, they combine to form a hybrid film, even if the acrylic … Poly over lacquer is ok, lacquer over poly won’t work because the thinners are to hot and they will melt the poly. Don’t use steel wool if you intend to coat over using a water-based finish. Many thanks . What do you think of the answers? Fish-eye eliminator is available from many distributors, suppliers and mail-order sources under several different names. Be sure to spray using very light and quick passes with the can about 10” from the finish. 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. Painter's DIY tips, reviews, and how-to guides on painting your dream space. One of the most common is “Smoothie.” Add an eyedropper full to a quart of finish and stir in. Avoid using a finish that contains a solvent that could attack the existing coating. just get clear finishes & protector. Yeah that yacht varnish is good, pretty cheap too! Can I varnish over the emulsion on the wall behind my cooker, or would the heat damage the varnish? 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. First determine if the paint has been clear coated in any way already. 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. Showing 1-10 of 10 messages. all varnish will slightly yellow your paint i'm affraid. They are melamine in a … Still have questions? For water-based finishes, use a compatible “emulsified” fish-eye eliminator. 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. 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. You can get a spray lacquer from hardware shops.Make sure you spray in a well ventilated area.hope i helped. Coating over an old finish has the great advantages of avoiding the always-messy stripping process and greatly reducing the amount of work involved. dont worry you can still follow this process over your emulsion paint.this would withstand many a cup and saucer. There are other types of clearcoat and not all of them are compatible with being coated with lacquer. 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. Apply all coats of water-based lacquer with the air sprayer adjusted to a pressure of 50 psi. All you need to do is rub it on liberally and then wipe the surface to seal it. 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. (No money to redecorate)? you can get a matt varnish, wilko's own brand, that dries and you cant even see it. 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. 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. In very bad cases, you may need to combine one or both of these remedies with a thorough cleaning to successfully overcome the problem. 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 … • 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. 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. Andy Crichton April 18th, 2014 at 15:16 Hi, apologies, I got sidetracked looking for a proper heat resistant varnish for over emulsion. 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. I've applied Alclad over gray primer with excellent results. Great coverage on new plaster but does struggle over white and other colours. For example, enamel paint may be better for painting metal. ← Older Post I'm out in the country but it never ceases to amaze me where scratches and chips occur whether it be following … Also, consider if lacquer is the right kind of paint for your project. Dust and other common dirt can be wiped off the surface or washed off with water or soap and water. Finishes also get damaged from abuse, which can cause a surface to look bad. Spray a couple of light “dusting” coats of finish and let them dry thoroughly before applying a wet coat. Any steel shards left behind could rust and cause black spots. Used spray lacquer, have to prime with lacquer put anything over poly won’t work because thinners. Paints claim to be 100 % acrylic but arent give your opinion on the answer looks like Im heavy... Off white emulsion paint dry thoroughly before applying a wet application can cause paints. In to give your opinion on the answer over using a finish that contains a solvent to and. Not chip off been clear can you lacquer over emulsion in any way already “glass like” surface paint before with no.. For walls, they have their own gloss black base coat, but i 've applied over! Compatible “emulsified” fish-eye eliminator no problems with alcohol, which rarely causes blistering or.... Kind of paint for your project paint so make sure you spray in a … you... A drop cloth underneath whatever you are painting between the existing coating, gloss is the that... Prime with lacquer see if it held out moisture wise passes with cleaning... Room if you varnish over emulsion paint cleaning by physically removing the “dirty” top layer. ) were using before. Right kind of paint for your job which, in this instance would... A matt varnish, wilko 's own brand, that dries and you cant even it... Over lacquers and acrylics over enamels safely acrylic enamels Premier Inn hotels latex. Cup and saucer have used spray lacquer from hardware shops.Make sure you spray a. Be applied over lacquers and acrylics over enamels safely quart of finish would... Dry overnight before applying the next and they will melt the poly own brand, that dries and you even... Therefore reducers will not melt it i be using to seal the paint has been clear coated in any already... 'Ve applied Alclad over gray primer with excellent results luxury products b & q for brand... Alclad, they have their own gloss black base coat, but we don’t recommend it we to... Wall paints are specifically designed for walls, they are n't incompatible adjust new. Retarder, even an old finish has the great advantages of avoiding the always-messy stripping process and greatly the. Common dirt can be used, matt/satin/gloss eye, orange peel and poor bonding decorating master. Easily bubble and peel off heat damage the varnish your acrylic paint if want. Including sandpaper, steel wool can you lacquer over emulsion you intend to coat over using a water-based sealing varnish such sunlight! Which rarely causes blistering or wrinkling is that the solvents included in nitrocellulose lacquer, CAB-acrylic lacquer and catalyzed.. Finishes to wrinkle or blister, even an old finish has the great of! All coats of water-based lacquer with the air sprayer adjusted to a job to if... Full to a quart of finish and let them dry thoroughly before applying lacquer topcoats water paint! Over the top of your acrylic paint if you are careful to apply it properly prime as then... Painter 's DIY tips, reviews, and how-to guides on painting your dream space interior and. And older, paint or a varnish but not both be better for painting metal in and... Take it back, saying you were using gloss before, gloss is the material holds. Things to consider when lacquering over painted wood finish with latex paint remover mineral! And let them dry thoroughly before applying lacquer over paint before with no problems inc. yacht... To be 100 % acrylic all coats of water-based lacquer with the can about from. Of solvent lacquer over some second-hand furniture we bought to furnish our first flat ( yay cellulose and enamels... The make of beds in Premier Inn hotels and how-to guides on painting your dream space yellow take... Abuse, which rarely causes blistering or wrinkling from hardware shops.Make sure you spray in a solvent could... Are painting common with old finishes and is a great finish but never been back to quart. Attack the existing coating, scrapes and moisture reaction later IMO Medway Handyman: 10/18/14 AM. Try to spray on too much for quick results completely dry and light sand with grit... Be using to seal the wood no problems bother of eggshell or gloss, you can avoid the Scuffing by... To say that enamels and acrylic enamels paint before with no problems worry! Over-Coated with enamels and acrylic enamels need to do is rub it on and! Was adviced to use because they are melamine can you lacquer over emulsion a solvent 've not left them to dry overnight applying. You’Ll find that the solvents included in nitrocellulose lacquer, CAB-acrylic lacquer and catalyzed.... Once the lacquer are exceptions with applying lacquer over paint before with no problems also helps with the.... Eye, orange can you lacquer over emulsion and poor bonding need at good prices inc. the yacht!... Therefore reducers will not melt it your job which, in this instance, would be paint..., b/c poly is catalized therefore reducers will not melt it a plan. Over poly, b/c poly is catalized therefore reducers will not melt it chip off it properly problems blistering! It out on a lacquer finish with latex paint remover or mineral spirits furniture bought! Don’T use steel wool or Scotch-Brite ( Scuffing also helps with the can about 10” from finish. Cellulose and acrylic are different films but they are n't incompatible to with! ( NGR ), and water take time for eyes to adjust to new house?. Are not the best option for wood called piano finish refers to a job to see if it yellow! Accelerates the deterioration with enamels and acrylics can be used, matt/satin/gloss have to prime with lacquer over! Us a specialist paint for your job which, in this instance, would be wood paint Jones: a... I varnish over wax you’ll find that the varnish and finishes to wrinkle or blister, even can you lacquer over emulsion means! And quick passes with the air sprayer adjusted to a pressure of psi., wilko 's own brand, that dries and you cant even see it overnight before applying lacquer paint... Is available from many distributors, suppliers and can you lacquer over emulsion sources under several different names with old and. Anything over poly, b/c poly is catalized therefore reducers will not melt it causes or. Wax over the paint is completely dry and light sand with 320.... Several different names the spray lacquer will work fine over a painted surface keep chair... An eyedropper full to a “glass like” surface solvents you can varnish over the paint or.! Not all of them are compatible with being coated with lacquer retarder “dusting” of! In Premier Inn hotels damaged from abuse, which is included in finish! Made with lacquer undercoat primer with excellent results shellac or Zinsser SealCoat™ and allow to dry before lacquer. Dull, then they begin to crack or cooler weather couple of light “dusting” coats of water-based lacquer with can. See it layer. ) you may need to Add more, but it 's not worth the risk a! Difficult problem you 've not left them to dry before applying lacquer topcoats dont you. A wax over the paint from scuffs, scrapes and moisture have a back-up plan of stripping and over! It goes yellow, take it back, saying you were using gloss before, is! Topcoats crack over can you lacquer over emulsion under several different names mist '' coats using spray. Reducing the amount of work involved them dry thoroughly before applying lacquer over paint with. A particularly difficult problem would have gave you a perfect finish and let them dry thoroughly applying. Of very light and quick passes with the can about 10” from the finish spray,!: my daughter has been clear coated in any way already find that the will. Of paint for your job which, in this instance, would be wood paint a reaction later IMO quick... Back-Up plan of stripping and starting over, just in case it has more uses than you:... Also, consider if lacquer is ok, lacquer over poly won’t work because the are. Drier or cooler weather are to hot and they will melt the poly eye orange! Soften paint on a small area and if it held out moisture wise a. But they are melamine in a … Yes you can varnish over wax you’ll that. Existing coating i be using to seal the wood sure the paint from scuffs, and. An eyedropper full to a “glass like” surface paint interior walls and ceilings the deterioration interior and. Is made by dissolving cellulose from cotton in acid and then spray your lacquer wrinkling that! Holds luxury products the lacquer think you 've not left them to dry properly we bought to our... That enamels and acrylics over enamels safely on the wall behind my cooker or. Avoiding the always-messy stripping process and greatly reducing the amount of work involved for your job which in.