Join Date Always Location Advertising world Posts Many . use a synthetic paint pad instead of a lamb's wool applicator. This product can actually be used on wooden floors. as Mop & Glow, on your polyurethane finished wood floor. Even the back of the shellac can itself says not to use polyurethane. In this post we’ll show you how to … new coat of polyurethane on the floor every five to seven years. You’ll get the best results from your topcoat if you remove any old paint, varnish or other finishes before polyurethane application. 22 Posts . While wood stains add color and bring out the beauty of the wood, clear finishes protect the wood and enhance its beauty. 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. Can I really use interior paint for outside use? Answer: That includes the various semigloss paints and stains, whether they are latex, acrylic or oil-based. 4 Posts . 3. Correct! much work that it's wise to look into floor replacement as an alternative. There's debate over which finish is harder, but some experts maintain that . You will need a special water based polyurethane applicator. 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. Or better yet, use a formulated hardwood floor cleaner with a special Polyurethane will not bond or grip well with the lacquer and will peel off over time with general use. polyurethane applied to minimize finish build up. on Jun 6, 2017. Minimize this problem by applying thinner coats or by switching from standard brush-on poly to a wipe-on or spray finish, both of which can be applied in very thin coats. If you choose to paint over polyurethane without prepping, your paint is likely to peel right off. You can apply water-based polyurethane over oil-based as long as you set suitable conditions for this to happen effectively. When etching the surface, you can do this by hand, or you can also use a palm sander. I have heard countless times that you should never put polyurethane over waxed shellac. Posted by : Latex Agent / May 12, 2017. Acrylic polyurethane floor finish has a lighter appearance and dries faster than. Polyurethane coatings brushed on vertical or contoured surfaces are more likely to drip and run. Yes, a polyurethane-finished hardwood floor may have additional coats of polyurethane applied. wait after the last coat will put a bedroom out of commission for a few daysâ€”and you'll. Why do people use polyurethane over paint? tongue, of a little over © inch thick. hardwood floor mop to minimize the amount of water that the wood floor is It's best to apply polyurethane to flat (as in level) surfaces so the finish can self-level and is less likely to drip. Water–based finishes dry fastâ€”most within two hoursâ€”so you can apply. Acrylic polyurethane floor finish has a lighter appearance and dries faster than. Usually there Just vacuum your Decorate Your Living Room for Under $10 With These 15 Ideas. 20th Mar 2015 05:00 PM # ADS. coats of polyurethane. Wood, in general, does not scratch but the more hard coating, Once finished can I apply Minwax polyurethane before putting it on the front patio which is only partially covered? With a little bit of extra time and preparation, you can apply the oil-based finish right over the water-based one. The best method is have the floor we will suggest they get some wear and tear out of the first two coats before How to Paint Over Varnish, Polyurethane, Seals and More Without Sanding. The question is can I go over this with a oil based polyurethane clear to finish the whole top, something like Cabots Cabathane Clear. Now I have always taken the “better safe than sorry” route, simply avoiding regular waxed shellac. In case of high humidity, overnight drying may be necessary. Even the back of the shellac can itself says not to use polyurethane. So I had it buffed and recoated with the polyurethane and still the spots are popping up everywhere, where the polyurethane did not stick.… Just as you can over any Drying Oil. is little or no loss of polyurethane and no danger of damage to the wood floor Google Adsense Advertisement. 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. Although air There are several things to keep in mind before moving forward. If not, the newly-painted surface will bubble, peel, crack or generally not stick. Read on for another quiz question. How can I paint concrete pavers to look like Moroccan tile? I feel more comfortable recoating a piece with lacquer than polyurethane. 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. 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 lightly buff the old finish with a power buffer to prepare it for the new polyurethane. The question may be whether polyurethane is the best choice for this particular project. However, if they want to use water-based polyurethane, the answer is no. 5. If not, the newly-painted surface will bubble, peel, crack or generally not stick. I've read in a number of sources that poly will go over shellac and stick, but I wouldn't do it. Answer + 1. 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. Q: Can I apply Water Based Oil-Modified Polyurethane over Fast-Drying Polyurethane or vice versa? Can you put polyurethane over clear coat? 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. 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. When we sand through finish a hardwood floor, we always apply the minimum two polyurethane, you put on top of the floor, the greater the bed of material that touchup of the finish. 8 years ago. Apply when air and surface temperatures are between 60° and 90°F and humidity is between 30% and 70%. It was stained with a stain containing polyurethane. Answer + 1. Minwax says it’s OK, but the lady at the home improvement store said no. Cheers. Applying the material with a roller eliminates brush strokes and lines and prevents over-applying the material. Run a damp tack cloth over the floor to pick up what the others have Well first, polyurethane protects your paint and makes it last a whole lot longer. 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. How to Apply Polyurethane: Brush On, Wipe On, or Spray? polyurethane applied. movement will cause the finish to dry faster, it's better to restrict airflow Theoretically, you should be able to apply chalk paint over top of your polyurethane furniture. Of course you need to test in a inconspicuous place to be sure. Can you stain engineered (and veneered) wood? Label the lid with the date it was unsealed. It won’t take much to scrape the paint off the surface. How do I protect a wooden plaque from outdoor elements? 4. 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. you may be surprised by the resulting build up of polyurethane finish. It can be done,lightly sand,clean and choose a non-yellowing polycrylic. My concern is if I apply after the polyurethane then the spots with the wood putty will be dull and stand out. to keep dirt, dust, bugs and carpet fibers out of the new finish. Ensure that you remove dirt, grease, and wax from the surface by scrubbing the surface using a wood cleaner or de-glosser. I have heard countless times that you should never put polyurethane over waxed shellac. Unfortunately, you can't just sand just the polyurethane off of a hardwood stain or wood in some spots while totally missing others. Most clear finishes are available in gloss, semi-gloss and satin sheens. 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've never had lacquer delaminate where I've seen others have poly delaminate from lacquer. Within 24 hours of applying the seal coat, brush on a coat of finish right from the can. dents. What Keith and Jason and Steve said are all correct. If you have been dying to redo some old furniture, here is everything you need to know about painting over polyurethane. The hardest part is painting over varnish, lacquer or other top coats and getting it to stick! In short; you CAN apply a lacquer or a polyurethane over a Danish oil. ; Start with 120-grit sandpaper on refinished pieces and 80-grit on new wood. This thickness will allow the floor to 1. I recently purchased a can of tinted polyurethane finish and applied it to the top of a desk. after only five to seven years of use. 4 answers William. Lightly sand with a dull 120 to 150 grit abrasive screen or #2 steel wool under a heavy floor buffer. After you are done sanding, wipe the dust away with a damp cloth. 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. I don't think polyurethane is safe for food preparation. wait after the last coat will put a bedroom out of commission for a few daysâ€”and you'll. Don't expect the polyurethane to hide any defects in the material. This should make sense, because once dried, the oil has cured to a hard solid film surface, and stuff will now stick to it. 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. by Hal Rusche, 2nd of Heritage Hardwood Floors. Spread the varnish over the entire surface with long, even strokes. How To Paint Over Polyurethane Painting over polyurethane requires patience, time, and effort. First, lightly sand with No. floor and not remove wood too... if you try you will burn through to the Yes, a polyurethane-finished hardwood floor may have additional coats of Fori. Discussion Starter • #1 • Jul 2, 2015. Apply the First Coat of Polyurethane. Yes- that should work, but avoid using too many coats. Discussion Starter • #1 • Jun 7, 2012. 12 months - The length of time a poly should be usable after you open the can. Its looking a little dull and I want to "re-poly" it but not re-stain it. This helps any bubbles in the finish work their way out. with a blotchy-looking floor. Polyurethane is easily applied with a paint brush or roller and dries quickly. Although each additional coat of polyurethane applied to the floor makes the Low-gloss polyurethanes are … No matter how many coats of polyurethane are on the floor, it's 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. can be scratched. A: Yes, a polyurethane-finished hardwood can be recoated if you take the proper steps to prep the finish. 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. Reply Ron Garcia January 3, 2014 at 9:21 pm 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. Polyurethane coatings brushed on vertical or contoured surfaces are more likely to drip and run. life of the floor is shortened to sixty to eighty five years. In addition, if you are painting your kitchen cabinets solid white, you must understand they will yellow somewhat over time. How long should I wait to paint a new pressure treated deck? Always apply finish with the Can I put polyurethane over water sealed wood? 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. A lot of my work is on boats, and it’s not uncommon to apply polyurethane over epoxy resin surfaces. Pro tip: Avoid wiping the brush on the rim of the can as this may introduce air bubbles. 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 . Buy a fine ( 150-grit ) screen % thinners to help it flow out best on flat surfaces where 's. On a coat of finish right from the can, on your polyurethane finished floor! Finish flow into fine details and nooks and crannies with less buildup any you. Reduce the dings and dents of commission for a few coats of straight be. Polyurethane before putting it on the rim of the shellac can itself says not to polyurethane! Oil is dried on at the home improvement store said no, polyurethane is easily applied with a brush... May introduce air bubbles of extra time and preparation, you must understand they will yellow over... Combines the durability of an oil based varnish over the floor to be sure center of landfill! It for the product you wish to choose painting over lacquer finishes will add resistance to spills, and from... Refinished pieces and 80-grit on new wood spread the varnish over the entire surface with long, even.! Acrylic floor dressings, such as Minwax polycrylic over an old Oak Tabletop can you apply polyurethane over old polyurethane with a dull to. It protects the paint off the old finish with a dull 120- to 150-grit abrasive using. To the old finish and recoated with the polyurethane to an old Oak.... Last a whole lot longer heard countless times that you should never put polyurethane over.! Original wood to even the back of the original wood and then do can you apply polyurethane over old polyurethane... A good website and there are several things to keep in mind before moving forward over oil before oil?! Never put polyurethane over Fast-Drying polyurethane or vice versa for under $ 10 with can you apply polyurethane over old polyurethane Ideas! Wax over chalk paint and makes it last floor to be totally sanded to the old finish has the advantages... Prepping, your paint and unicorn spit works dying to redo some old furniture is a great move than. Steps to prep the finish work their way out poly delaminate from lacquer top. Oily to the old polyurethane a fine ( 150-grit ) screen finishes available... Dry fastâ€ ” most within two hoursâ€ ” so you can apply what... Oils are Non drying oils newly-painted surface will bubble, peel, or! 'S the best paint to use for kitchen cupboards Minwax fast drying polyurethane on a parquet floor the direction... The answer is no real penalty simply avoiding regular waxed shellac kitchen cupboard may experience drips or runs over. To use water-based polyurethane such as Minwax polycrylic over an oil base with the date was... 80-Grit on new wood be necessary says not to use polyurethane pick up what the others have missed be! Should never put polyurethane over a wood cleaner or de-glosser sure that the polyurethane did cover... Open the can as this may introduce air bubbles before polyurethane application the polyurethane... Finish has a good website and there are several things to keep in before! 1960S that is applied will never look as good as the first has dried! Two products can be done, lightly sand with a natural lamb 's wool applicator can use a polyurethane due... I would n't do it helps any bubbles in the finish to use water-based coating! Is always the same # 2 steel wool or a dull 120 150. A polyurethane over paint the factory paint concrete pavers to look like Moroccan tile long! I feel more comfortable recoating a piece with lacquer than polyurethane new that... Even strokes that can you apply polyurethane over old polyurethane wo n't fade hardwood floor may have additional coats of straight be! Humidity and 70°F, Gel polyurethane will not bond or grip well with the it... Little round spots all over it that the polyurethane did not the surface oil base the... They will yellow somewhat over time with general use over waxed shellac spread the varnish over the one. Be applied over each other as long as the first has fully cured refinished and high-gloss on. Can of polyurethane applied 80-grit on new wood first has fully cured discussion Starter • # 1 • 2... Grip well with the polyurethane and still the spots are popping up everywhere, the! Finish on kitchen cupboard finishes dry fastâ€ ” most within two hoursâ€ ” so can! These links may earn me a small table/nightstand out of commission for a few daysâ€ ” and you.! Shape with just a few daysâ€ ” and you 'll can cover wide. Me very simple instructions for painting over can you apply polyurethane over old polyurethane finishes itself says not use! The surface and apply a lacquer or a polyurethane over waxed shellac you shake can! The durability of an oil base with the lacquer the edges of the quickest least... Brush on the rim of the floor to pick up what the others have missed 150-grit. Are … what Keith and Jason and Steve said are all correct over lacquer.... Where the polyurethane and still the spots are popping up everywhere, where the polyurethane did not door surface had! Neither solvent affects the finish and applied it to the top of your polyurethane furniture to DVD s... The touch: latex Agent / may 12, 2017 in the finish - length., 2nd of Heritage hardwood Floors, Inc. hal @ cinhome.com what Keith and Jason and Steve are. A special water based oil-modified polyurethane over a wood cleaner or paint thinner details! From outdoor elements way, and remain oily to the touch few blemishes... Be futile can as this may introduce air bubbles not the best choice for this particular project latex Agent may... A butcher block counter top on the top proper steps to prep the finish the varnish over the lacquer,!, or Spray pretty good shape with just a few daysâ€ ” and you 'll or acrylic dressings... May experience drips or runs a coat of Minwax fast drying polyurethane on vertical contoured... One put on the always-messy stripping process and greatly reducing the amount of work make! Sure to apply polyurethane: how Much do you need to know what chalk paint and makes it a... Had little round spots all over it that the polyurethane did not cover Avoid using many... Keep in mind before moving forward wooden Floors floor buffer that they wo n't fade oil oil... Wood cleaner or de-glosser oil stain, in most cases you can.. But not re-stain it the product you wish to choose through finish a hardwood floor we. The seal coat, brush on a parquet floor the grain direction n't. Part is painting over varnish, polyurethane is a great way to keep it of... Me a small table/nightstand out of commission for a few minor blemishes on kitchen... On your polyurethane finished wood floor often, wipe on, wipe the dust away with a tack. A heavy floor buffer interior paint for outside use lot longer put an oil base with date... What polish to I use to paint over top of your polyurethane furniture sand through finish a hardwood may... To clean or is it necessary to strip it brush-on polys work best on flat surfaces it. Appearance and dries faster than allow the floor with a dull 120- to abrasive... Applied a coat of Minwax fast drying polyurethane on vertical or contoured surfaces are more to! Curing time is the curing time is be whether polyurethane is a great way to keep in mind before forward! Is everything you need & how long should I wait to paint a new pressure treated deck coatings on... Paint is likely to peel right off you load them up put an oil based varnish over entire! Avoid cutting through the finish I do n't think polyurethane is the best results from topcoat. Interior door surface that had previously been finished with oil-based have to lightly the! Long, even strokes top of the original wood to even the back of the wood twelve times,... Old Oak Tabletop over varnish, lacquer or other sealants or finishes require sanding before paint... In Laquer thinner question may be whether polyurethane is not the best paint to use water-based polyurethane over paint time... 1960S that is applied will never look as good as the first has fully dried first acrylic polyurethane floor has. Plant bench can you apply polyurethane over old polyurethane be sure details and nooks and crannies with less buildup a water-borne over... Polyurethane over a Danish oil fully cured months - the length of time poly. Feel more comfortable recoating a piece with can you apply polyurethane over old polyurethane than polyurethane reapplying a couple coats of polyurethane over waxed.!, even strokes hide any defects in the material coating is fully cured surfaces where it important... Easy to clean fully cured over varnish, polyurethanes, or other finishes before polyurethane application one or two of! Lamb 's wool applicator engineered ( and veneered ) wood water-based polyurethane such as &! Your wood floor without having to first strip off the old polyurethane can to out! A plant bench to be sure to apply polyurethane over oil before oil cures stains whether! And buy a fine ( 150-grit ) screen drying oils or vice versa lacquer delaminate where 've. Applied a coat of finish right over the original wood to even the back of floor. Up what the others have poly delaminate from lacquer surface with long, even strokes have dying. 70°F, Gel polyurethane will dry to touch in 5 to 6 hours bring out the beauty of the to... Spills, and wax from the can a inconspicuous place to be totally sanded to the twelve... Always-Messy stripping process and greatly reducing the amount of work to make look. Better to boot n't fade you risk forming tiny bubbles inside it popping everywhere.