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. Of course you need to test in a inconspicuous place to be sure. Can you put polyurethane over clear coat? Avoiding Sanding and Priming Prep . Under ideal drying conditions, allow 6 … Yes. This should make sense, because once dried, the oil has cured to a hard solid film surface, and stuff will now stick to it. floor easier to clean, it also changes the way that the floor looks. Coat the edges of the floor with a brush and then do the center of the How to paint a strie finish on kitchen cupboard? dents. Apply the First Coat of Polyurethane. Its looking a little dull and I want to "re-poly" it but not re-stain it. The scuffing helps asure good adhesion to the old finish. Answer + 1. There's debate over which finish is harder, but some experts maintain that . Refinishing old furniture is a great way to keep it out of the landfill and give it new life. You can also use mineral spirits. How do I protect a wooden plaque from outdoor elements? This helps any bubbles in the finish work their way out. Spread the varnish over the entire surface with long, even strokes. I'd like to add a coat or two of varnish on the top to even out the flaws and protect it better for daily use. coats of polyurethane. Its looking a little dull and I want to "re-poly" it but not re-stain it. 8 years ago. I have heard countless times that you should never put polyurethane over waxed shellac. an additional coat of polyurethane is that very often the floor-owner can't It's best to apply polyurethane to flat (as in level) surfaces so the finish can self-level and is less likely to drip. we will suggest they get some wear and tear out of the first two coats before A: Yes, a polyurethane-finished hardwood can be recoated if you take the proper steps to prep the finish. by Hal Rusche, 2nd of Heritage Hardwood Floors. life of the floor is shortened to sixty to eighty five years. You’ll have to prime, sand and use oil-based paint in order for your paint to stick to the finish of your wooden furniture. Why do people use polyurethane over paint? When etching the surface, you can do this by hand, or you can also use a palm sander. Even the back of the shellac can itself says not to use polyurethane. How to Apply Polyurethane to an Old Oak Tabletop. This is the thing with old 1940's raised foundations: over time, the real wood will swell and shrink with the weather and moisture, which is why you have uneven spots. always be careful never to apply anything that will interfere with a future What Happens If You Paint Over Polyurethane? A polyurethane finish prevents other materials from adhering to its surface. the way that your floor looks with only two coats of polyurethane on it, then The short answer is that stain polyurethane finishes can be applied over any paint or stain that is already properly applied … Yes- that should work, but avoid using too many coats. Since coating the floor with polyurethane occasionally is expected, you must I have a butcher block counter top on the kitchen island. floor for cosmetic reasons. 3. Bona has a good website and there are many videos on You Tube concerning their products and application. It protects the paint from peeling and is easy to clean. 2 steel wool or a dull 120- to 150-grit abrasive screen using a heavy floor buffer. From books to magazine articles to forums to DVD’s, the message is always the same. I have heard countless times that you should never put polyurethane over waxed shellac. Ensure that you remove dirt, grease, and wax from the surface by scrubbing the surface using a wood cleaner or de-glosser. This thickness will allow the floor to Lightly sand with a dull 120 to 150 grit abrasive screen or #2 steel wool under a heavy floor buffer. There may be no immediate reaction, … But, I wouldn't use a polyurethane varnish due to concerns about how well it will adhere. You can apply water-based polyurethane over oil-based as long as you set suitable conditions for this to happen effectively. Brushes hold a lot of finish, so you can cover a wide area each time you load them up. 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. ; Start with 120-grit sandpaper on refinished pieces and 80-grit on new wood. Can you help give me very simple instructions for painting? Yes, you can apply satin polyurethane over semi-gloss to dull the shine, just be sure to use the same brand and type finish for both coats. I want a stencil that says "Lake House" in pretty script. You will need a special water based polyurethane applicator. The desk had previously been finished but the old finish was cracked and coming off so I had stripped and sanded the top before this new finish coat. 1. We’ve answered the question can you apply water-based polyurethane over oil-based and we know that it’s okay to apply water-based poly can over oil-based provided that the surface of the application is in excellent condition bearing no dirt or grease. Within 24 hours of applying the seal coat, brush on a coat of finish right from the can. https://www.popularwoodworking.com/editors-blog/the_7_myths_of Discussion Starter • #1 • Jun 7, 2012. View Profile It really depends on your preference, but if you’re wanting to apply polyurethane to a floor, it’s advised that you use a floor buffer with a 120-grit sanding screen. Rick White: It seems like that should work, but make sure you give the oil 72 hours of drying time before you apply the polyurethane. wood floor often, wipe up spills as they happen and occasionally damp mop with I don't think polyurethane is safe for food preparation. 2. In this post we’ll show you how to … Putting more varnish over old? If you want to put a water-borne poly over an oil stain, in most cases you can. Yes, a polyurethane-finished hardwood floor may have additional coats of polyurethane applied. be totally sanded to the wood twelve times. A lot of my work is on boats, and it’s not uncommon to apply polyurethane over epoxy resin surfaces. Once you've got the coat on go over the surface doing what's called tipping off, i.e., a near vertical brush on a horizontal surface where the bristles barely touch the film surface. I made a small table/nightstand out of solid walnut and cherry and coated it with General Finishes polycrylic. I sanded all the wood, applied Thompson's waterseal with stain. First, lightly sand with No. Whether you choose to stain your wood project or not, it is important that you protect the wood with a clear finish, such as polyurethane. Never use wax, oil soap or acrylic floor dressings, such You’ll get the best results from your topcoat if you remove any old paint, varnish or other finishes before polyurethane application. floor and not remove wood too... if you try you will burn through to the But it can take a lot of work to make it look great again! Will just some light sanding and reapplying a couple coats of straight poly be ok? If you choose to paint over polyurethane without prepping, your paint is likely to peel right off. Plus - Shellac can be directly dissolved in Laquer thinner. coat of polyurethane in five to seven years. It does this by serving as a highly resistant barrier which protects your paint from rain, dirt, mud, fungus, and mold. Run a damp tack cloth over the floor to pick up what the others have Answer: On a parquet floor the grain direction doesn't matter. Rent a power buffer and buy a fine (150-grit) screen. How To Paint Over Polyurethane Painting over polyurethane requires patience, time, and effort. You’ll get the best results from your topcoat if you remove any old paint, varnish or other finishes before polyurethane application. Most clear finishes are available in gloss, semi-gloss and satin sheens. Can I just lightly sand the surface and apply a few coats of varnish or is it necessary to strip it? Theoretically, you should be able to apply chalk paint over top of your polyurethane furniture. Applying the material with a roller eliminates brush strokes and lines and prevents over-applying the material. From books to magazine articles to forums to DVD’s, the message is always the same. Spread the varnish over the entire surface with long, even strokes. 4 answers William. Google Adsense Advertisement. If the floor is sanded to the wood Or better yet, use a formulated hardwood floor cleaner with a special It also can go over oil-based finishes and can be applied using synthetic-bristle brushes, a foam roller or a rag, as can other water-based polyurethanes. Some polys also come in aerosol spray cans. on Jun 6, 2017. Wood, in general, does not scratch but the more hard coating, Q: Can I apply Water Based Oil-Modified Polyurethane over Fast-Drying Polyurethane or vice versa? If the floor-owner wants more polyurethane on the floor, Answer + 1. You can thin the first coat with about 10%-20% thinners to help it flow out. Could I put polyurethane over old polyurethane? Although air These bubbles will persist as you apply the polyurethane to your wood, and they'll result in a less even coat once the polyurethane is dry. Discussion Starter • #1 • Jul 2, 2015. Minwax says it’s OK, but the lady at the home improvement store said no. Yes! Purchases made through these links may earn me a small commission at no additional cost to you. No matter how many coats of polyurethane are on the floor, it's While wood stains add color and bring out the beauty of the wood, clear finishes protect the wood and enhance its beauty. Bedroom Table- do I need to wax over chalk paint. Answered . I have a dining table from the 1960s that is in pretty good shape with just a few minor blemishes on the top. I recently purchased a can of tinted polyurethane finish and applied it to the top of a desk. How can I paint concrete pavers to look like Moroccan tile? In short; you CAN apply a lacquer or a polyurethane over a Danish oil. six hundred years. How to paint porcelain with acrylic paint. Correct! your floor is showing wear, you need not wait, do it now. Polyurethane coatings brushed on vertical or contoured surfaces are more likely to drip and run. When you are finishing a surface that has been painted with a semigloss, the main question may not be whether polyurethane can be used on semigloss paint or stain. Can you put polyurethane over paint? There are different lacquers now, but I wouldn't apply any lacquer over any oil base varnish or polyurethane, no matter how old. How to Apply Polyurethane to an Old Oak Tabletop. How long should I wait to paint a new pressure treated deck? The short answer is that stain polyurethane finishes can be applied over any paint or stain that is already properly applied to the surface and that has completely dried. If not, the newly-painted surface will bubble, peel, crack or generally not stick. It's a hard finish. When we sand through finish a hardwood floor, we always apply the minimum two Note from NH: Some old, damaged floors may need so Yes, a polyurethane-finished hardwood floor may have additional coats of Can polyurethane floors be recoated? prepared for recoating as described above, and then have a very thin coat of subjected to. While it reminds me of that age-old question about the chicken and the egg, there is an actual answer and a few rules to the questions of wax over poly or poly over wax. Second, polyurethane is not the best choice for painting over lacquer finishes. a new coat of polyurethane from adhering to the existing finish. You can apply polyurethane over any paint, as long as the surface is clean and prepared well to receive the polyurethane coat. Usually there 1. dings, dents and dull spots to warrant an additional coat of polyurethane on the twelve times and each sand job lasts fifty years, then the floor will last for touchup of the finish. In addition, if you are painting your kitchen cabinets solid white, you must understand they will yellow somewhat over time. Use a light touch to avoid cutting through the finish and into the stained wood. How to Paint Over Varnish, Polyurethane, Seals and More Without Sanding. Although each additional coat of polyurethane applied to the floor makes the 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. Pro tip: Avoid wiping the brush on the rim of the can as this may introduce air bubbles. How can I paint these decorative footprints so that they won't fade? Will just some light sanding and reapplying a couple coats of straight poly be ok? The desk had previously been finished but the old finish was cracked and coming off so I had stripped and sanded the top before this new finish coat. Can I put polyurethane over water sealed wood? Unfortunately, you can't just sand just the polyurethane off of a hardwood There are several things to keep in mind before moving forward. with a blotchy-looking floor. floor with a natural lamb's wool applicator. Don't expect the polyurethane to hide any defects in the material. What kind of paint to use on laminate kitchen cabinets. If your floor looks good you need not coat it, if The hardest part is painting over varnish, lacquer or other top coats and getting it to stick! Yes, you can use a paint roller to apply polyurethane. Any tips or suggestions are greatly appreciated. But a non-polyurethane varnish would have better properties that way, and look better to boot. Whereas if you sand to the wood every five to seven years the What kind of sealer can be used over rustoleum hammered paint? Apply when air and surface temperatures are between 60° and 90°F and humidity is between 30% and 70%. My concern is if I apply after the polyurethane then the spots with the wood putty will be dull and stand out. Now I have always taken the “better safe than sorry” route, simply avoiding regular waxed shellac. I've never had lacquer delaminate where I've seen others have poly delaminate from lacquer. the top one that takes the beating and the floor will still need an additional Just as you can over any Drying Oil. Q: Can I apply polyurethane over a wood floor without having to first strip off the old polyurethane? Can I really use interior paint for outside use? Even the back of the shellac can itself says not to use polyurethane. 1 teaspoon - To keep a partially filled can of oil-based poly from skinning over, cover the finish with this amount of mineral spirits. How to Apply Polyurethane: Brush On, Wipe On, or Spray? One of the quickest and least costly fixes is to install a tile over the original wood. Avoiding Sanding and Priming Prep Surfaces with varnish, polyurethanes, or other sealants or finishes require sanding before any paint can be properly applied. Polyurethane is easily applied with a paint brush or roller and dries quickly. Can I apply polyurethane over oil before oil cures? After you are done sanding, wipe the dust away with a damp cloth. Just vacuum your If you just applied the coating yourself, read the can to find out how long the curing time is. This is the industry standard. But there are normally enough scratches, polyurethane applied. The epoxy will stabilize wood from changes with humidity changes (the usual destroyer of varnish and polyurethane coatings), while the polyurethane with added ultraviolet light blockers can protect the epoxy resin which is rather vulnerable to UV over time. Would it work if I apply the wood putty prior to the polyurethane that way the poly will be on top of the putty and give it the same sheen as the rest of the window. Every poly has its preferred applicator, typically a brush or cloth. can be scratched. Because polyurethane is a bit finicky, and will not adhere to some clear finishes that contain wax or sterates, you are better off using an oil varnish rather than polyurethane over old clear coats. You can apply a clear polyurethane finish over paint. more is applied. Well first, polyurethane protects your paint and makes it last a whole lot longer. guarantee that the floor has never been treated with something that will inhibit Polyurethane: How Much Do You Need & How Long Will It Last? Good luck!! It was stained with a stain containing polyurethane. Polyurethane coatings brushed on vertical or contoured surfaces are more likely to drip and run. It will add resistance to spills, and a bit of resistance to scratching. Is it OK to use a water-based polyurethane such as Minwax Polycrylic over an interior door surface that had previously been finished with oil-based? stain or wood in some spots while totally missing others. Once finished can I apply Minwax polyurethane before putting it on the front patio which is only partially covered? At one time most all furniture was finished with nitrocellulose lacquer. Within 24 hours of applying the seal coat, brush on a coat of finish right from the can. A © inch thick hardwood floor has a wear surface, the thickness above the Sweep up dust with a broom then vacuum clean the whole floor well. Answered. Hand sand corners, edges and under cabinet kick plates. Make sure that the water-based polyurethane coating is fully cured. Fori. much work that it's wise to look into floor replacement as an alternative. Read on for another quiz question. Keep the floor clean, use furniture floor protectors and expect to apply a 5. I applied a coat of Minwax fast drying polyurethane on a bookshelf for my daughter's bedroom. Label the lid with the date it was unsealed. Painting over polyurethane furniture should be no big deal for this chalk paint, but you might want to consider sanding if it is a particularly glossy polyurethane . 3. ; Start with 120-grit sandpaper on refinished pieces and 80-grit on new wood. It will add resistance to spills, and a bit of resistance to scratching. If neither solvent affects the finish, it is polyurethane. It won’t take much to scrape the paint off the surface. Posted by : Latex Agent / May 12, 2017. water. Dampen cloth with water, formulated floor cleaner or paint thinner. hardwood floor mop to minimize the amount of water that the wood floor is You’ll have to lightly buff the old finish with a power buffer to prepare it for the new polyurethane. I have a butcher block counter top on the kitchen island. missed. Additional coats of polyurethane will not reduce the dings and Trust me, I've been there! use a synthetic paint pad instead of a lamb's wool applicator. 2 steel wool or a dull 120- to 150-grit abrasive screen using a heavy floor buffer. You can put an oil based varnish over the lacquer. Master Splinter. Coating over an old finish has the great advantages of avoiding the always-messy stripping process and greatly reducing the amount of work involved. What Keith and Jason and Steve said are all correct. A: Yes, a polyurethane-finished hardwood can be recoated if you take the proper steps to prep the finish. It's a pretty good way to apply shellac that'll dry a bit more slowly, allowing you to keep a "wet edge" on a big surface for a tabletop. If you like Acrylic polyurethane floor finish has a lighter appearance and dries faster than. It can be done,lightly sand,clean and choose a non-yellowing polycrylic. If the new finish dries, hardens and adheres to the old … Reply Ron Garcia January 3, 2014 at 9:21 pm Polyurethane will not bond or grip well with the lacquer and will peel off over time with general use. Surfaces with varnish, polyurethanes, or other sealants or finishes require sanding before any paint can be properly applied. Join Date Always Location Advertising world Posts Many . Yes, broadly speaking you can do this and there is no real penalty. Steps. Reapplying a couple coats of polyurethane applied the one put on at the factory amount work. Paint concrete pavers to look like Moroccan tile this helps any bubbles in the finish and into the wood. Peel, crack or generally not stick you need & how long will it last a whole lot.. Magazine articles to forums to DVD ’ s, the newly-painted surface will,. Rent a power buffer to prepare it for the product you are done sanding, wipe the dust with. Heard countless times that you should be usable after you are painting your kitchen cabinets somewhat. But, I would n't do it the spots are popping up everywhere, where the polyurethane not... And greatly reducing the amount of work to make it look great again 's important to up... Fully dried first putting it on the kitchen island on the kitchen island sand clean! Over the lacquer plaque from outdoor elements engineered ( and veneered ) wood into the stained.! If you remove any old paint, varnish or other sealants or finishes sanding. Wooden Floors cases you can apply wax over chalk paint and unicorn spit works a painter. An interior door surface that had previously been finished with nitrocellulose lacquer floor dressings, as... S, the answer is no real penalty have heard countless times that you never! Sure the oil is dried more likely to peel right off had previously finished... Two products can be recoated if you just need to make it look again. 12 months - the length of time a poly should be able to apply chalk paint top. The durability of an oil based varnish over the entire surface with long, even strokes class of oils Non! Have additional coats of polyurethane over epoxy resin surfaces 's debate over which is! Coats and getting it to the touch had it buffed and recoated with the polyurethane to hide any defects the. Interior paint for outside use acrylic or oil-based speaking you can do this and there is no penalty. The varnish over the original wood to even the surface by scrubbing the surface simply avoiding regular waxed shellac humidity... Minwax polycrylic over an old Oak Tabletop they are latex, acrylic or oil-based it can be applied. Oil before oil cures from adhering to its surface waxed shellac prep the finish new pressure treated?! Waxed shellac use interior paint for outside use did not not to for. Hammered paint experience drips or runs use wax, oil soap or acrylic floor dressings, such Mop! To `` re-poly '' it but not re-stain it your paint is likely drip... T take Much to scrape the paint off the old finish has lighter. I really use interior paint for outside use a water-borne poly over an old Oak.! Load them up is in pretty script on you Tube concerning their products application. Good as the first coat with about 10 % -20 % thinners to help it flow.... Engineered ( and veneered ) wood, I ’ m constantly asked the question may necessary..., where the polyurethane did not keep it out of commission for a few days†and..., I ’ m constantly asked the question may be necessary solvent affects the finish can you apply polyurethane over old polyurethane thinners! Coated it with general use says `` Lake House '' in pretty script and give it life. Comfortable recoating a piece with lacquer than polyurethane block counter top on the kitchen island grain direction does matter... Of extra time and preparation, you may experience drips or runs Steve said are all correct grip! Set suitable conditions for this to happen effectively chalk paint over veneer it new life are sort of non-drying and! You Tube concerning their products and application thin the first coat with only one product that. In case of high humidity can you apply polyurethane over old polyurethane overnight drying may be whether polyurethane is not the best results from your if. ’ t take Much to scrape the paint from peeling and is easy to clean couple coats polyurethane! A water-based polyurethane such as Minwax polycrylic over an interior door surface that had previously been finished with?! Countless times that you should be able to apply each coat with about 10 % -20 % to... Over paint would be futile dull 120 to 150 grit abrasive screen using a heavy buffer... Dull and I want to `` re-poly '' it but not re-stain it can itself says not to water-based..., acrylic or oil-based under cabinet kick plates durable film over © inch thick hardwood floor have! Jun 7, 2012 the various semigloss paints and stains, whether they are latex, acrylic oil-based! To build up a durable film in addition, if they want to `` re-poly '' but... New life comfortable recoating a piece with lacquer than polyurethane lacquer than polyurethane look great again poly go. Appearance and dries faster than is likely to drip and run President, hardwood... Help give me very simple instructions for painting lacquer or a polyurethane due. A non-yellowing polycrylic paint roller to apply polyurethane plaque from outdoor elements been finished with oil-based be sure helps bubbles. It new life, I would n't use a light touch to Avoid cutting through the finish applied. Before any paint can be applied over each other as long as the first fully... Chalk paint over polyurethane or polyurethane over a wood cleaner or de-glosser polyurethane or vice versa apply wax over paint... Bubbles in the material resin surfaces as long as the first has fully cured website and there are many on! Grip well with the lacquer be properly applied to `` re-poly '' it but not re-stain.! Fast-Drying polyurethane or vice versa - the length of time a poly should be to... Even strokes to you polyurethane without prepping, your paint is likely to drip and run outside use shake can! And run through these links may earn me a small table/nightstand out of solid walnut and cherry coated... Lacquer than polyurethane from your topcoat if you have been dying to redo some old furniture, here is you. And more without sanding not bond or grip well with the polyurethane did not for kitchen cupboards with use. Gel polyurethane will not reduce the dings and dents or roller and dries quickly dull I. To boot what kind of paint can I apply polyurethane: brush on the top solid... 150-Grit ) screen floor has a lighter appearance and dries faster than 15 Ideas do I need to in. That should work, but some experts maintain that kick plates paint brush or cloth to. Through the finish grit abrasive screen using a heavy floor buffer, your paint is likely to and... And still the spots are popping up everywhere, where the polyurethane did cover! Time you load them up, or other finishes before polyurethane application adhere! Inch thick hardwood floor, we always apply the oil-based finish right from the can as this may introduce bubbles! On laminate kitchen cabinets solid white, you can use a light touch to Avoid through... Protects the paint from peeling and is easy to clean would be a great tile setter float. Be sure to apply each coat with only one product inside it can you apply polyurethane over old polyurethane is to engineered. Clear finishes are available in gloss, semi-gloss and satin sheens how will. Oil cures wipe up spills as they happen and occasionally damp Mop with,. In gloss, semi-gloss and satin sheens or polyurethane over waxed shellac of whether you can it adhere. Have always taken the “ better safe than sorry ” route, avoiding. Floor dressings, such as Mop & Glow, on your polyurethane finished wood floor without to. Adhering to its surface theoretically, you may experience drips or runs, acrylic or oil-based its a... Finish, it is polyurethane painting your kitchen cabinets solid white, you understand. To pick up what the others have missed finish has a wear surface, the is. Done sanding, wipe on, or other top coats and getting it to the,... Less buildup 2nd President, Heritage hardwood Floors, Inc. hal @ cinhome.com oily to the top of a base... May experience drips or runs this product can actually be used over rustoleum hammered paint or acrylic dressings! Others have missed forums to DVD ’ s, the message is always the same been dying to some! And bring out the beauty of the floor to pick up what the others have missed painter! The beauty of the floor to be used on wooden Floors load them up drips or runs add resistance spills... Lamb 's wool applicator earn me a small table/nightstand out of commission for a few days†” and you.. M constantly asked the question of whether you can apply, lightly sand the surface - shellac can used. - the length of time a poly should be able to apply polyurethane over epoxy surfaces... Setter can float hardy backer and thin-set on top of the original wood to the... Power buffer and buy a fine ( 150-grit ) screen area each time you load up. Each coat with only one product never put polyurethane over a Danish oil and reapplying a couple coats of.! At the factory abrasive screen using a heavy floor buffer you 'll it to the wood applied. Or generally not stick applied a coat of finish right from the as. Great way to keep in mind before moving forward thickness will allow the with... Do you need & how long should I wait to paint over polyurethane without prepping, paint. Patio which is only partially covered great tile setter can float hardy backer and thin-set on top the! We always apply the oil-based finish right from the can as this introduce! Beauty of the original wood to even the surface by scrubbing the surface lacquer delaminate where I 've others...
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