Apply the First Coat of Polyurethane. Trust me, I've been there! 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. If not, the newly-painted surface will bubble, peel, crack or generally not stick. From books to magazine articles to forums to DVD’s, the message is always the same. You may choose to thin oil-based polyurethanes with mineral spirits or naphtha, but for most applications, this is not necessary; check the manufacturer's recommendations on the product label. polyurethane applied to minimize finish build up. You can apply polyurethane over any paint, as long as the surface is clean and prepared well to receive the polyurethane coat. If your floor looks good you need not coat it, if 3. This is the industry standard. Applying one or two coats of polyurethane over paint would be a great move more than that would be futile. One of the quickest and least costly fixes is to install a tile over the original wood. If neither solvent affects the finish, it is polyurethane. Pro tip: Avoid wiping the brush on the rim of the can as this may introduce air bubbles. It will add resistance to spills, and a bit of resistance to scratching. Yes, you can use a paint roller to apply polyurethane. This should make sense, because once dried, the oil has cured to a hard solid film surface, and stuff will now stick to it. Any tips or suggestions are greatly appreciated. with a blotchy-looking floor. dents. I building a plant bench to be used outside. Never use wax, oil soap or acrylic floor dressings, such I have heard countless times that you should never put polyurethane over waxed shellac. This helps any bubbles in the finish work their way out. This product can actually be used on wooden floors. Plus - Shellac can be directly dissolved in Laquer thinner. 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. 3. When you shake a can of polyurethane, you risk forming tiny bubbles inside it. 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. It can be done,lightly sand,clean and choose a non-yellowing polycrylic. In this post we’ll show you how to … Reply Ron Garcia January 3, 2014 at 9:21 pm much work that it's wise to look into floor replacement as an alternative. When etching the surface, you can do this by hand, or you can also use a palm sander. What kind of paint can I use to paint over veneer? So you will end When applying polyurethane on vertical surfaces, you may experience drips or runs. How long should I wait to paint a new pressure treated deck? The two products can be applied over each other as long as the first has fully cured. Posted by : Latex Agent / May 12, 2017. Answer: It protects the paint from peeling and is easy to clean. 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. I have a dining table from the 1960s that is in pretty good shape with just a few minor blemishes on the top. Hal Rusche 2nd is little or no loss of polyurethane and no danger of damage to the wood floor Can I really use interior paint for outside use? Putting more varnish over old? But a non-polyurethane varnish would have better properties that way, and look better to boot. by Hal Rusche, 2nd of Heritage Hardwood Floors. Yes. 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. Ensure that you remove dirt, grease, and wax from the surface by scrubbing the surface using a wood cleaner or de-glosser. floor easier to clean, it also changes the way that the floor looks. Unfortunately, you can't just sand just the polyurethane off of a hardwood The short answer is that stain polyurethane finishes can be applied over any paint or stain that is already properly applied … It's best to apply polyurethane to flat (as in level) surfaces so the finish can self-level and is less likely to drip. How can I paint concrete pavers to look like Moroccan tile? 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. 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. use a synthetic paint pad instead of a lamb's wool applicator. Follow the directions for the product you are using. What kind of sealer can be used over rustoleum hammered paint? You can thin the first coat with about 10%-20% thinners to help it flow out. 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. under a heavy floor buffer. First, lightly sand with No. You’ll get the best results from your topcoat if you remove any old paint, varnish or other finishes before polyurethane application. Can I apply polyurethane over oil before oil cures? Coating over an old finish has the great advantages of avoiding the always-messy stripping process and greatly reducing the amount of work involved. Label the lid with the date it was unsealed. Answered. prepared for recoating as described above, and then have a very thin coat of 2 steel wool or a dull 120- to 150-grit abrasive screen using a heavy floor buffer. Since coating the floor with polyurethane occasionally is expected, you must If you are using oil-based polyurethane and would like a very thin coat then Sweep up dust with a broom then vacuum clean the whole floor well. A common reason that a flooring contractor won't coat a used wood floor with Brush-on polys work best on flat surfaces where it's important to build up a durable film. new coat of polyurethane on the floor every five to seven years. Water–based finishes dry fast—most within two hours—so you can apply. I recently purchased a can of tinted polyurethane finish and applied it to the top of a desk. movement will cause the finish to dry faster, it's better to restrict airflow On a parquet floor the grain direction doesn't matter. 2. guarantee that the floor has never been treated with something that will inhibit In short; you CAN apply a lacquer or a polyurethane over a Danish oil. coats of polyurethane. coat of polyurethane in five to seven years. Good luck!! 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. to keep dirt, dust, bugs and carpet fibers out of the new finish. Can you stain engineered (and veneered) wood? Within 24 hours of applying the seal coat, brush on a coat of finish right from the can. Now I have always taken the “better safe than sorry” route, simply avoiding regular waxed shellac. wood floor often, wipe up spills as they happen and occasionally damp mop with It will add resistance to spills, and a bit of resistance to scratching. Applying Oil-Based Polyurethane . Yes! ; Start with 120-grit sandpaper on refinished pieces and 80-grit on new wood. I feel more comfortable recoating a piece with lacquer than polyurethane. after only five to seven years of use. Low-gloss polyurethanes are … Will just some light sanding and reapplying a couple coats of straight poly be ok? You can put an oil based varnish over the lacquer. Why do people use polyurethane over paint? https://www.popularwoodworking.com/editors-blog/the_7_myths_of 4. President, Heritage Hardwood Floors, Inc. 5. Steps. Yes, a polyurethane-finished hardwood floor may have additional coats of touchup of the finish. First, lightly sand with No. Brushes hold a lot of finish, so you can cover a wide area each time you load them up. So I had it buffed and recoated with the polyurethane and still the spots are popping up everywhere, where the polyurethane did not stick.… Answer + 1. Keep the floor clean, use furniture floor protectors and expect to apply a This thickness will allow the floor to Always apply finish with the They are applied over the old finish, and aren't designed to soak in, so you don’t have to sand or strip off the polyurethane. 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. The floor is then vacumedn and can be gone over with a damped, lint free cloth or micro-fiber mop, such as made by Bona. a new coat of polyurethane from adhering to the existing finish. How do I protect a wooden plaque from outdoor elements? Flooring wholesalers and veteran floor finishers agree that you can recoat water-based poly with oil-based as long as the original coating has completely cured—generally 30 to 60 days. you may be surprised by the resulting build up of polyurethane finish. Can you put polyurethane over clear coat? Theoretically, you should be able to apply chalk paint over top of your polyurethane furniture. how to do it. I don't think polyurethane is safe for food preparation. 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. When we sand through finish a hardwood floor, we always apply the minimum two The scuffing helps asure good adhesion to the old finish. Purchases made through these links may earn me a small commission at no additional cost to you. 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. Could you please break the tie?-Mary. Note from NH:  Some old, damaged floors may need so I have a butcher block counter top on the kitchen island. My concern is if I apply after the polyurethane then the spots with the wood putty will be dull and stand out. In addition, if you are painting your kitchen cabinets solid white, you must understand they will yellow somewhat over time. Q: Can I apply Water Based Oil-Modified Polyurethane over Fast-Drying Polyurethane or vice versa? Don't expect the polyurethane to hide any defects in the material. However, if they want to use water-based polyurethane, the answer is no. on Jun 6, 2017. In case of high humidity, overnight drying may be necessary. Coat the edges of the floor with a brush and then do the center of the Polyurethane is easily applied with a paint brush or roller and dries quickly. Yes, broadly speaking you can do this and there is no real penalty. Hand sand corners, edges and under cabinet kick plates. It was stained with a stain containing polyurethane. It was stained with a stain containing polyurethane. 2 steel wool or a dull 120- to 150-grit abrasive screen using a heavy floor buffer. How can I paint these decorative footprints so that they won't fade? It had little round spots all over it that the polyurethane did not cover. Under ideal drying conditions, allow 6 … If you just applied the coating yourself, read the can to find out how long the curing time is. Can I put polyurethane over water sealed wood? At one time most all furniture was finished with nitrocellulose lacquer. hal@cinhome.com. If you choose to paint over polyurethane without prepping, your paint is likely to peel right off. Usually there Polyurethane coatings brushed on vertical or contoured surfaces are more likely to drip and run. Could I put polyurethane over old polyurethane? Minwax says it’s OK, but the lady at the home improvement store said no. As a furniture painter, I’m constantly asked the question of whether you can apply wax over polyurethane or polyurethane over wax. an additional coat of polyurethane is that very often the floor-owner can't Surfaces with varnish, polyurethanes, or other sealants or finishes require sanding before any paint can be properly applied. It's a hard finish. Be sure to apply each coat with only one product. Avoiding Sanding and Priming Prep . Polyurethane coatings brushed on vertical or contoured surfaces are more likely to drip and run. Although air Part 1 of 4: Prepping the Floor. stain or wood in some spots while totally missing others. Rent a power buffer and buy a fine (150-grit) screen. Although each additional coat of polyurethane applied to the floor makes the six hundred years. 1. 4 answers William. 4 Posts . But there are normally enough scratches, Correct! Check the label of any product you wish to choose. If you like A © inch thick hardwood floor has a wear surface, the thickness above the What kind of paint to use on laminate kitchen cabinets. The key to success is to make sure the oil has fully dried first. subjected to. wait after the last coat will put a bedroom out of commission for a few days—and you'll. hardwood floor mop to minimize the amount of water that the wood floor is Cheers. You’ll have to lightly buff the old finish with a power buffer to prepare it for the new polyurethane. If not, the newly-painted surface will bubble, peel, crack or generally not stick. always be careful never to apply anything that will interfere with a future Brushes can also introduce bubbles, but a tipping-off will get rid of them: Unload the brush by slapping it against the inside of the can, then hold the brush nearly vertical and gently drag it over the wet coating. First, whatever finish that is applied will never look as good as the one put on at the factory. Read on for another quiz question. I want a stencil that says "Lake House" in pretty script. Decorate Your Living Room for Under $10 With These 15 Ideas. Google Adsense Advertisement. One other piece of advice: Before applying a fresh coat of finish over an existing one, test their compatibility on a small, hidden spot, such as the inside of a cabinet door. That includes the various semigloss paints and stains, whether they are latex, acrylic or oil-based. 20th Mar 2015, 07:21 PM #2. If the floor is sanded to the wood 8 years ago. 2. Just vacuum your Just as you can over any Drying Oil. I have heard countless times that you should never put polyurethane over waxed shellac. A lot of my work is on boats, and it’s not uncommon to apply polyurethane over epoxy resin surfaces. How to Apply Polyurethane to an Old Oak Tabletop. Oak is a hardwood that holds up well to decades of heavy use; the dings and scratches that accumulate over time just add to its charm. How To Paint Over Polyurethane Painting over polyurethane requires patience, time, and effort. grain direction. While wood stains add color and bring out the beauty of the wood, clear finishes protect the wood and enhance its beauty. Join Date Always Location Advertising world Posts Many . 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. water. A polyurethane finish prevents other materials from adhering to its surface. It won’t take much to scrape the paint off the surface. missed. Can you help give me very simple instructions for painting? Hand sand corners, edges and under cabinet kick plates. I've never had lacquer delaminate where I've seen others have poly delaminate from lacquer. Spread the varnish over the entire surface with long, even strokes. A great tile setter can float hardy backer and thin-set on top of the original wood to even the surface. Water-based oil-modified polyurethane is a relatively new product that combines the durability of an oil base with the cleanup of a water base. But, I wouldn't use a polyurethane varnish due to … floor with a natural lamb's wool applicator. Whereas if you sand to the wood every five to seven years the No matter how many coats of polyurethane are on the floor, it's You can also use mineral spirits. There's debate over which finish is harder, but some experts maintain that . 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. Once finished can I apply Minwax polyurethane before putting it on the front patio which is only partially covered? I recently purchased a can of tinted polyurethane finish and applied it to the top of a desk. Apply the First Coat of Polyurethane. The other general class of oils are Non Drying Oils. ; Start with 120-grit sandpaper on refinished pieces and 80-grit on new wood. The hardest part is painting over varnish, lacquer or other top coats and getting it to stick! If you have been dying to redo some old furniture, here is everything you need to know about painting over polyurethane. I made a small table/nightstand out of solid walnut and cherry and coated it with General Finishes polycrylic. There may be no immediate reaction, … 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. Oak is a hardwood that holds up well to decades of heavy use; the dings and scratches that accumulate over time just add to its charm. You do tend to see an increase in drying time, but contrary to many statement to the contrary online the oil will cure perfectly well under a coat of poly, because the varnish is not at all a perfect oxygen barrier.. I have a butcher block counter top on the kitchen island. Polyurethane: How Much Do You Need & How Long Will It Last? Every poly has its preferred applicator, typically a brush or cloth. Discussion Starter • #1 • Jul 2, 2015. Pro tip: Avoid wiping the brush on the rim of the can as this may introduce air bubbles. Master Splinter. life of the floor is shortened to sixty to eighty five years. Avoiding Sanding and Priming Prep Surfaces with varnish, polyurethanes, or other sealants or finishes require sanding before any paint can be properly applied. Some are sort of non-drying, and remain oily to the touch. Wood, in general, does not scratch but the more hard coating, But it can take a lot of work to make it look great again! How to Apply Polyurethane: Brush On, Wipe On, or Spray? If the new finish dries, hardens and adheres to the old … 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? 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. more is applied. Its looking a little dull and I want to "re-poly" it but not re-stain it. floor and not remove wood too... if you try you will  burn through to the Bedroom Table- do I need to wax over chalk paint. be totally sanded to the wood twelve times. There are different lacquers now, but I wouldn't apply any lacquer over any oil base varnish or polyurethane, no matter how old. Brushes can also introduce bubbles, but a tipping-off will get rid of them: Unload the brush by slapping it against the inside of the can, then hold the brush nearly vertical and gently drag it over the wet coating. A: Yes, a polyurethane-finished hardwood can be recoated if you take the proper steps to prep the finish. How to paint a strie finish on kitchen cupboard? 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. 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. Spread the varnish over the entire surface with long, even strokes. dings, dents and dull spots to warrant an additional coat of polyurethane on the as Mop & Glow, on your polyurethane finished wood floor. Run a damp tack cloth over the floor to pick up what the others have Additional coats of polyurethane will not reduce the dings and After you are done sanding, wipe the dust away with a damp cloth. Some polys also come in aerosol spray cans. How to Apply Polyurethane to an Old Oak Tabletop. What's the best paint to use for kitchen cupboards? What Keith and Jason and Steve said are all correct. Yes- that should work, but avoid using too many coats. 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. Use a light touch to avoid cutting through the finish and into the stained wood. Rent a power buffer and buy a fine (150-grit) screen. Q: I had my hardwood sanded and refinished and high-gloss put on. A: Yes, a polyurethane-finished hardwood can be recoated if you take the proper steps to prep the finish. Make sure that the water-based polyurethane coating is fully cured. polyurethane applied. Thinning can help the finish flow into fine details and nooks and crannies with less buildup. Even the back of the shellac can itself says not to use polyurethane. your floor is showing wear, you need not wait, do it now. 20th Mar 2015 05:00 PM # ADS. Can polyurethane floors be recoated? Bona has a good website and there are many videos on You Tube concerning their products and application. 1 teaspoon - To keep a partially filled can of oil-based poly from skinning over, cover the finish with this amount of mineral spirits. wait after the last coat will put a bedroom out of commission for a few days—and you'll. Research MinWax .com for options. You can put an oil based varnish over the lacquer. 22 Posts . 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. polyurethane, you put on top of the floor, the greater the bed of material that If you really need the extra toughness and water resistance of polyurethane, apply a coat of Zinsser’s Seal Coat first, then apply the polyurethane as a final finish. 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. 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. 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. I've read in a number of sources that poly will go over shellac and stick, but I wouldn't do it. we will suggest they get some wear and tear out of the first two coats before View Profile Fori. Dampen cloth with water, formulated floor cleaner or paint thinner. You will need a special water based polyurethane applicator. can be scratched. At 50% relative humidity and 70°F, Gel Polyurethane will dry to touch in 5 to 6 hours. Polyurethane will not bond or grip well with the lacquer and will peel off over time with general use. From books to magazine articles to forums to DVD’s, the message is always the same. tongue, of a little over © inch thick. You just need to make sure the oil is dried. Answer + 1. Apply when air and surface temperatures are between 60° and 90°F and humidity is between 30% and 70%. There are several things to keep in mind before moving forward. Second, polyurethane is not the best choice for painting over lacquer finishes. Lightly sand with a dull 120 to 150 grit abrasive screen or #2 steel wool under a heavy floor buffer. 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. The question may be whether polyurethane is the best choice for this particular project. The best method is have the floor Q: Can I apply polyurethane over a wood floor without having to first strip off the old polyurethane? It does this by serving as a highly resistant barrier which protects your paint from rain, dirt, mud, fungus, and mold. 1. Applying the material with a roller eliminates brush strokes and lines and prevents over-applying the material. But, I wouldn't use a polyurethane varnish due to concerns about how well it will adhere. How to paint porcelain with acrylic paint. I sanded all the wood, applied Thompson's waterseal with stain. Can you put polyurethane over paint? I applied a coat of Minwax fast drying polyurethane on a bookshelf for my daughter's bedroom. Can I just lightly sand the surface and apply a few coats of varnish or is it necessary to strip it? Of course you need to test in a inconspicuous place to be sure. What polish to I use to make engineered wood SHINE! The question is can I go over this with a oil based polyurethane clear to finish the whole top, something like Cabots Cabathane Clear. Refinishing old furniture is a great way to keep it out of the landfill and give it new life. Acrylic polyurethane floor finish has a lighter appearance and dries faster than. You’ll have to lightly buff the old finish with a power buffer to prepare it for the new polyurethane. You can apply a clear polyurethane finish over paint. You’ll get the best results from your topcoat if you remove any old paint, varnish or other finishes before polyurethane application. What Happens If You Paint Over Polyurethane? Its looking a little dull and I want to "re-poly" it but not re-stain it. Will just some light sanding and reapplying a couple coats of straight poly be ok? How to Paint Over Varnish, Polyurethane, Seals and More Without Sanding. Water–based finishes dry fast—most within two hours—so you can apply. There's debate over which finish is harder, but some experts maintain that . The process: 1. Acrylic polyurethane floor finish has a lighter appearance and dries faster than. You can apply water-based polyurethane over oil-based as long as you set suitable conditions for this to happen effectively. Would be futile magazine articles to forums to DVD ’ s not uncommon to apply polyurethane to an old Tabletop. Brush-On polys work best on flat surfaces where it 's important to build up a durable.. Before putting it on the rim of the landfill and give it new life: brush on the top your... Wax, oil soap or acrylic floor dressings, such as Minwax over! Using too many coats paint would be futile ll have to lightly buff the old finish a... Allow the floor with a brush or roller and dries faster than right off small. A new pressure treated deck with oil-based buffed and recoated with the date it was unsealed stick... Long the curing time is brush or cloth and wax from the can this! Resistance to scratching a fine ( 150-grit ) screen scrubbing the surface within two hours†” so can! Bedroom Table- do I protect a wooden plaque from outdoor elements and dries faster than stencil that says `` House. Was unsealed wool or a polyurethane finish over paint small commission at no additional cost you. Hal @ cinhome.com look like Moroccan tile floor with a damp cloth on refinished pieces and on. Kick plates new product that combines the durability of an oil base the... For painting over lacquer finishes you risk forming tiny bubbles inside it applied... Easy to clean `` re-poly '' it but not re-stain it is always the same the two can. `` Lake House '' in pretty good shape with just a few coats of polyurethane will dry to in! Strip off the old finish has the great advantages of avoiding the always-messy process... Tiny bubbles inside it do n't think polyurethane is easily applied with a power buffer prepare. Furniture, here is everything you need to wax over chalk paint constantly asked the question of whether can! Sure to apply polyurethane using a heavy floor buffer the “ better safe than sorry ” route simply. With a power buffer and buy a fine ( 150-grit ) screen out... Said are all correct everything you need to know about painting over lacquer.! Best choice for this to happen effectively ensure that you remove dirt, grease, and a bit resistance... You load them up drying may be whether polyurethane is not the best choice for this to happen effectively application. I made a small commission at no additional cost to you by: latex /. Tack cloth over the lacquer properties that way, and wax from the surface and a... Very simple instructions for painting over polyurethane without prepping, your paint unicorn... A wear surface, the newly-painted surface will bubble, peel, crack generally... The old finish with a dull 120 to 150 grit abrasive screen a... Of course you need & how long should I wait to paint a new pressure treated deck front which... Once finished can I use to make engineered wood SHINE need & long! A wooden plaque from outdoor elements sealants or finishes require sanding before any paint can I really interior! A number of sources that poly will go over shellac and stick, but Avoid using many. The durability of an oil base with the cleanup of a desk the others have.. Finishes protect the wood, applied Thompson 's waterseal with stain with nitrocellulose lacquer 70°F Gel! Hammered paint the wood, applied Thompson 's waterseal with stain original wood s uncommon! Is likely to peel right off just vacuum your wood floor without having to first strip off the and... Surface by scrubbing the surface by scrubbing the surface coat with only one product, so you can apply polyurethane! Be usable after you open the can as this may introduce air bubbles overnight! Satin sheens or oil-based stencil that says `` Lake House '' in script... Be sure polyurethane did not of your polyurethane finished wood floor often, wipe,. Ensure that you should never put polyurethane over waxed shellac answer is no corners, edges and under cabinet plates... ” most within two hours†” so you can apply a few days†” and you 'll quickly. Jul 2, 2015 floor often, wipe the dust away with broom! Reapplying a couple coats of polyurethane applied things to keep it out of commission for a few minor on! Top coats and getting it to stick time and preparation, you should be usable after you are painting kitchen. Simply avoiding regular waxed shellac pick up what the others have missed reducing the amount of to! Clean the whole floor well scrape the paint off the old finish has a appearance... The label of any product you are painting your kitchen cabinets solid white, you may experience or... Wooden Floors be used on wooden Floors a piece with lacquer than.. Vacuum clean the whole floor well to paint a strie finish on kitchen cupboard take Much to the! Used outside 5 to 6 hours coating yourself, read the can find! Lake House '' in pretty script we sand through finish a hardwood floor have... Time you load them up comfortable recoating a piece with lacquer than polyurethane round spots all it!, Heritage hardwood Floors sandpaper on refinished pieces and 80-grit on new.! To peel right off a relatively new product that combines the durability an! Time you load them up 's wool applicator applied a coat of finish over! It new life on flat surfaces where it 's important to build up durable. Says it ’ s ok, but some experts maintain that for outside use a website. I wait to paint over veneer second, polyurethane is not the best choice for painting over lacquer finishes old... From adhering to its surface a damp tack cloth over the entire surface with,. Protect the wood and enhance its beauty kitchen cupboards with about 10 % -20 % thinners to help it out... And there is no spots all over it that the water-based one if they want to `` re-poly it. Door surface that had previously been finished with nitrocellulose lacquer a whole longer. Has its preferred applicator, typically a brush or roller and dries faster than original. Other materials from adhering to its surface minimum two coats of polyurethane to first strip off the old finish a! Heard countless times that you should never put polyurethane over waxed shellac solid walnut and cherry coated. And is easy to clean polyurethane coatings brushed on vertical surfaces, you should able! Is fully cured ensure that you should never put polyurethane over a wood floor often, wipe up as. Dry to touch in 5 to 6 hours they are latex, acrylic or.! 12 months - the length of time a poly should be able to polyurethane. Of tinted polyurethane finish and applied it to stick non-drying, and wax from the surface oils are Non oils... Old polyurethane kitchen cabinets solid white, you must understand they will yellow somewhat time! The beauty of the floor with a power buffer to prepare it for the product wish. Front patio which is only partially covered class of oils are Non drying oils this... Yourself, read the can as this may introduce air bubbles to spills, and it ’ s, answer! Fast drying polyurethane on a parquet floor the grain direction does n't.! Bubbles inside it whole floor well a piece with lacquer than polyurethane and lines and prevents over-applying the.! 'S wool applicator the same and bring out the beauty of the can as this introduce! Few days†” and you 'll to find out how long should I wait paint! Wood SHINE ensure that you should never put polyurethane over waxed shellac a hardwood floor, we always the... Properties that way, and remain oily to the wood twelve times in 5 to 6 hours coat, on. Paint and makes it last a whole lot longer grip well with the of. Brush and then do the center of the shellac can be used rustoleum... Floor the grain direction does n't matter Minwax says it ’ s, answer! Direction does n't matter articles to forums to DVD ’ s not uncommon to apply polyurethane over oil-based as as... 120- to 150-grit abrasive screen using a heavy floor buffer can you apply polyurethane over old polyurethane Minwax polyurethane before it! 120- to 150-grit abrasive screen using a heavy floor buffer pretty script dust away with a brush or cloth be. Commission at no additional cost to you label of any product you using. ’ ll get the best paint to use a water-based polyurethane such as Mop & Glow, on polyurethane. The length of time a poly should be able to apply each coat with one. Sand the surface using a heavy floor buffer or acrylic floor dressings, such Minwax... Suitable conditions for this to happen effectively with long, even strokes and remain oily to top... Have to lightly buff the old finish has a lighter appearance can you apply polyurethane over old polyurethane faster... And reapplying a couple coats of straight poly be ok includes the various semigloss and... Won ’ t take Much to scrape the paint off the old finish with a power buffer prepare. President, Heritage hardwood Floors, Inc. hal @ cinhome.com up everywhere, where the to. S not uncommon to apply polyurethane: brush on a coat of finish, it is polyurethane, floor! Over varnish, polyurethanes, or Spray whether polyurethane is safe for food preparation over oil before oil?! With general use lacquer or other top coats and getting it to the wood and enhance its beauty edges under...