You can usually mark the surface with your fingernail. Its chemicals allow it to form a protective barrier that prevents your surface from moisture infiltration and its related effects. You may also find the adhesion is compromised, with the finish not lasting. The durability ability of oil paints has made them popular for use in metals, walls, doors, windows, and stained surfaces. Its unique formula is fortified with UV blockers and absorbers, which help to maintain the integrity of the coating. 18 Results Color/Finish: Exterior Polyurethane. Using the foam brush work the sealant outwards from the corner. Lightly wipe down the painted wood to remove oils, dirt, and other heavy residues. ft., recoat after 8 hours, Expands and contracts with wooden surface. This explains why you commonly see polyurethane on garage floors, warehouse settings, and driveways. Minwax Helmsman Spar Urethane is specially formulated as a protective clear finish for exterior or interior wood exposed to sunlight, water, or temperature changes. If you are yet to achieve your desired smoothness on this level, repeat the sanding, clean, and apply another poly layer by following steps 5,6 & 7. By creating an account you agree to the Hunker. Good luck. Youll need to strip off everything and start again. Is Manufacture Wood Good In 2023? No, you dont need to put exterior polyurethane over interior poly directly. If you're applying polyurethane to a painted floor, scuff the floor with a floor buffer and a 120-grit sanding screen. some of the differences are: Interior polyurethane dries hard and remains that way forever, while exterior polyurethane maintains a bit of rigidity. However, there are some oil-based paints when coated with polyurethane have been known to turn a yellowish color overtime. Can you put water-based polyurethane over oil-based paint? Acrylic paint will mix with water-based polyurethanes, just as oil-based paints will mix with oil-based polyurethanes. This will get air bubbles in your finish; thus, your project wont have the desirable perfect finish. First, most woodworkers love the addition of polyurethane to paint because it protects that paint and increases its durability. Therefore, it is important to select an exterior polyurethane based on where you want to use it. If the wood grain is visible, brush in the direction of the grain. Modern Masters is a reputable manufacturer of innovative water-based wood finishes and wood care products in the United States. Oriented Strand Board Pickup 34 in stock at South Loop Delivery Scheduled Add to Cart Compare 619 $1334 Limit 90 per order ( 255) Model# 445789 Handprint Besides this, I wouldnt complain more about this otherwise reputable brand. There are many factors to consider when looking for the best exterior polyurethane, and we will get to that later, but this one deserves its own space. If applied over a color like white, you will see the light yellow tinge, which may detract from the look you wish to achieve. PROTECTIVE CLEAR FINISH Minwax Helmsman Spar Urethane is specially formulated as a protective varnish for wood for interior and exterior projects. It is also electricity, weather, water, and corrosion resistant. Sanding is crucial before applying any finish on your surface. Tyron is an avid woodworker and writer. Exterior polyurethane has resin that absorbs Ultraviolent rays, while interior poly doesnt. His goal is to help you become a successful woodworker, whether as a hobbyist or as a professional. Polyurethane is generally easy to . If you have allowed the acrylic paint to cure fully, the water has evaporated, and the resins and the pigments will have hardened using a cross-linking process. You can dip your rag into polyurethane and coat the furniture with it. You can apply polyurethane over any type of paint, as long as the painted surface is clean and has been properly prepared. Once your painted surface is dry, then youll want to equip yourself with a 320-grit sandpaper, so you can scratch the surface. Top Sellers Most Popular Price Low to High Price High . However, a synthetic brush is perfect for water-based poly, while a natural bristle works best with oil-based poly. However, the best exterior polyurethane is the Rust-Oleum 9341 Ultimate Spar Urethane Oil Based. Most people think of paint as the color on their home walls, cars, bought, or caravan. Amid all the great reviews we saw, which included favorable comparisons to other brands like Minwax and Varathane we comment on yellowing. Its recommended that you use either a brush or spray it on. Can you put polyurethane over spray paint? Using Polyurethane On Painted Metal You can use polyurethane over painted metal to protect the paint and surface from scratches, water, and rust. A brush, roller, or spray would work just as fine. Water-based polyurethane has exceeded oil-based poly in many ways. For a very long time, oil-based polyurethane was more impervious than its watery cousin. The chemical sealant forms increase the durability and value of your furniture or whatever painted surface you are working on. Another problem with painting directly over polyurethane is that the resins in the wood can influence the overall color of your project. Use a water-based product if you're concerned about color because it won't yellow as much as an oil-based one. Exterior oil-based polys offer longer-lasting protection, something Rust-Oleum essentially admitted in their own descriptions. I used flotroel to help in leveling the paint and will sand flat when dry. It does this by serving as a highly resistant barrier which protects your paint from rain, dirt, mud, fungus, and mold. Lightly sand the surface with 120 to 180 grit sandpaper. Use a brush or any other applicator available to apply the polyurethane. We try our best to keep things fair and balanced, in order to help you make the best choice for you. Paint also comes in a variety. Polycrylic Clear Satin Water-Based Polyurethane Aerosol Spray (11.5-oz) Model # 33333000. How much spray paint is in the Stops Rust with Custom Spray 5-in-1 can? Very rarely will you ever need a 3rd. Paint alone could crack or get scratched for various reasons. Unfortunately, this price may be beyond the purchasing ability of most DIY paint enthusiasts. Weve discussed that you can apply any polyurethane over the top of properly cured paint. Best Exterior Polyurethanes in April, 2023 1. It keeps buildings warm during winter and cools during summer. Ideally, we recommend applying a paint coat first, allowing it to dry, then adding the polyurethane. Once a base coat has fully cured, you can apply whatever form of polyurethane you wish. Latex paint will be dry in 24 to 48 hours. . Yes, you can apply both oil-based and water-based polyurethanes over paint - for the best possible results add 2 to 3 drops of the same color paint into the polyurethane, this prevents a cloudy-looking poly finish. This gives it the lowest coverage area so far, of only 87 sq. Water-based polyurethanes are a great choice for internal use. How do you use Rust-Oleum Stops Rust with Custom Spray 5-in-1? Note I said cure, not dry. The name of this finish often is used generically for a finish or top coat. The paint would also mix with the polyurethane, interfering with the intended clear coat. 4. If you painted your cabinets with any of these paints, apply a water-based poly over the top to prolong the life of the finish. Remember that you need to allow your paint to cure fully before applying the polyurethane coat. In which case, it immediately turns yellow and not the type of amber glow people appreciate with oil-based finishes. Besides enriching your paints appearance, polyurethane will also protect your painted surface, giving it improved durability and resistance from scratches. However, youll only know how long the coating lasts when it starts to fail. Worst case, the finish is muddy, or the surface will be rough. So, to properly apply polyurethane over paint: Grease stains, dirt, dried mud, and any sort of other filth needs to be washed off before you can apply the first coat of polyurethane. Since it is resistant to corrosion, aluminum paint is preferred for use in water tanks, hot pipes, masonry, and oil storage tank, among others. Each coat provides rich color and lasting protection while enhancing the wood grain. For instance, water-based paint cures faster than oil-based paint. Note: Check the concentration of your green dye, you can dilute it and test it on small area on your fence before applying. Best Exterior Polyurethane Spray. Lets clear this up. Using either a natural bristle brush or a spray, you need to apply at least three coats. They are polyurethane used to bind different materials. Do this until your surface is as smooth as you want it. When using a sprayer, you can apply subsequent coats in 1.5 hours. Minwax Polyurethane. If youre considering mixing paint and polyurethane, ask yourself why you want to. Remember to use gentle strokes and follow the grain. Because the mixture is thinner, you may want to apply an extra coat. Hold the brush at a 10 to 15-degree angle in the direction of travel using just the tip of the brush applied lightly to the surface. Your email address will not be published. Benefits of Using an Exterior Polyurethane Protection from Weather Elements Improved Durability Enhanced Appearance Increased Resale Value Easy to Clean Environmentally Friendly Tips for Using Exterior Polyurethane Use Quality Brush or Roller Apply in Thin Coats Sand Between Coats Avoid Over-brushing Use Proper Ventilation Follow the Product Label Do I Need to Sand Paint Before Polyurethane? Minwax Helmsman Indoor/Outdoor Spar Urethane - Best Polyurethane for Exterior Wood Photo: Amazon This is a clear coating meant to be used anywhere, whether indoors or outdoors, and we can see that it was formulated for that purpose. This will save you both time and money. Check out our review and guide below to help you avoid the mistakes many of us have made in the past. The only exception, in this case, is with the water-based Varathane, which is significantly cheaper than the oil-based alternative. It is also used in making parts that have strength with low weight. For example, interior and exterior polyurethanes are different. Polyurethane, one of the most diverse forms of synthetic resin in the market, is used in unlimited household and commercial products worldwide. You can find the paint or polyurethane doesnt dry properly, remaining soft. A completely dried-up surface will give you outstanding results. Can you put oil-based polyurethane over water-based paint? Nevertheless, things began to change a few years ago, and now, water-based polyurethanes are just as durable, if not more durable. It is mainly used in industrial products for protection from rust. Dont forget your safety mask and goggles when doing this! Also, note that different paint types have different curing periods. Clean this up using a vacuum cleaner or a tack cloth. Of the products reviewed so far, this has the fastest drying time. But with the right materials, and a little bit of elbow grease, you can paint over the polyurethane. Its durable and waterproof, making it an excellent choice in harsh conditions like rain or snow. Peeling Deck Varnish Deck stains are meant as a protective finish for exterior wood. You may want your painted surfaces to look as attractive as possible. You can use acrylic paint on a variety of painting surfaces. Not quite. Since you can add a pigment, you can achieve any color of your choice. Even though this is an interior/exterior product, it is not meant for large surfaces such as decks, fences, or indoor flooring. Water-based polyurethane does not need thinning. This variety of chemicals produces polyurethanes with different chemical structures used for different applications. Unlike epoxy, polyurethane is UV resistant. Once you are done, you can clean your tools easily with just soap and water. Again, allow it to dry before adding the second polyurethane layer. Both varieties of polyurethane are water-resistant not waterproof. However, despite being an excellent choice, the only gripe I have against it is the costly price tag. It also features a fast-drying formula that dries within 30 minutes of application. Use light even pressured strokes. Interior polyurethane does not need that feature because that is almost never a problem unless there is serious water damage. But is it all words and no action, or does this exterior poly meet expectations? How long should paint dry before polyurethane? Some water-based polys are almost odorless, like the Varathane Ultimate Spar Urethane. It dries quickly to an ultra-clear finish, delivering a durable coating that protects wooden surfaces from damaging elements. Wait for three hours before adding another coat of water-based polyurethane. Whichever product you buy will be relatively easy to apply. Afterwards, I would like to spray on waterbased poly to help in protection of the tables. Failure to properly clean your surface will prevent the polyurethane from adhering. To keep the polyurethane free of bubbles, stir it with a paint stick rather than shaking it, and use a natural-bristle brush rather than a foam brush. This is because exterior poly has resin, a flatting agent that helps reduces gloss, and absorbs Ultraviolent rays. How do you know when the paint is dry enough for polyurethane? Save my name, email, and website in this browser for the next time I comment. Tips for applying polyurethane over paint, Polyurethane adds a layer of protection against weathering and UV damage, Depending on your choice of polyurethane, colors can be enhanced and deepened, Your surface is more resistant to scratching, impact, and general wear, When applied correctly, you can extend the time between repaints. So, if you have an oil-based paint that you need to be covered up, you have two options: Option 1: First, cover the surface with an oil-based primer, let it dry, then paint with a water-based paint. The water-based Varathane requires at least four coats, and you also need to sand between coats. You are likely to have an imperfect finish after your first coat. We love aluminum paint for its silvery finish and durability. Rigid polyurethane foam is all-weather tolerant. Three Reasons Why Oak Furniture Is So Expensive, Your email address will not be published. Clean surface with a damp cloth to remove sanded particles The poly coating also forms a barrier that makes your paint resistant to mud, fungus, dirt, and mold, thus increasing its life span. Allow the paint to completely dry before applying a second coat. However, interior polyurethane cannot handle heavy rain. And the Kilz website states that latex and oil based paints can be used over their oil based primers. Polyurethane is one amazing product, but the question that a lot of people what to know is, can you polyurethane over paint? To sand painted metal, use fine-grit sandpaper (240-grit) and above. It is significantly used in North America as it makes up approximately 30% of polyurethane sales in the region. But don't use interior polyurethane outside. However, the time may vary depending on factors such as climatic conditions, the number of paint coats applied and the type of paint used, among other things. Sort by: Top Sellers. However, there are a few tips and tricks to get the quality finish you seek. Applying polyurethane as a topcoat to paint is not difficult if you observe some basic steps. Can we get the best of both worlds by mixing the paint and polyurethane? All of the options we provided can be used on doors, window frames, and outdoor furniture. The more important question is whether you should mix polyurethane with paint. If you are using oil-based products, thin it with mineral spirits at a 75/25 ratio of polyurethane to thinner. ft per quart. Get free shipping on qualified Exterior Polyurethane products or Buy Online Pick Up in Store today in the Paint Department. Applying polyurethane over paint saves you from the need to repaint your surface often. It also shouldnt be used on white-painted surfaces. Dark wax is a way to add a bit of antiquing or to bring out the details on a piece. Yes, you can put polyurethane over chalk paint. The competition isnt even close for this one. So if you need the best exterior polyurethane that will dry in less time, water-based is the way to go. The two terms are very different. Use the aerosol polyurethane. This will help you achieve solid protection. You can always add a pigment to achieve a color of your choice. They protect your walls from climatic conditions, domestic situations, and typical wear and tear. I'm a technical writer who writes in-depth articles for readers wanting uncomplicated explanations for creative topics made difficult by industry jargon. Use a damp, lint-free cloth as it eliminates every fine unwanted detail on your workpiece. As a result, you often need three or four coats to get a smooth finish. Its protective coating will last for years. Well, in this case, lightly scratch your work surface to create a keying surface that will enhance the adherence of polyurethane. Whichever brush you choose, use a high-quality one with a fine tip and bristles. If you are using oil-based polyurethane, two coats are fine, maybe three if you need strong protection. Polyurethane is not only good for outdoor items but can also be considered if the wood items are moved around and touched . This may not be enough for some people as they may also want to give their surface a smooth finish and make it outstanding. Apply oil- or water-based polyurethane with a brush or a paint sprayer. For example, oil-based polyurethane is an excellent option when looking for a smooth finish, though you'll have to wait longer for it to dry. It also protects your surface from salt corrosion and oil stains, among other factors. These elements of exterior polyurethane will protect the outside. It is a fast-drying paint with a pigment suspended in acrylic polymer emulsion and silicon oils, plasticizers, stabilizers, or defoamers. The general thumb is obvious! What sets them apart is if you need to sand between coats, how many coats you need, and the tools you can use. Be sure to roll back and tape down any loose canvas on the back to get thorough coverage. This polyurethane comes in a spray version as well though I have never tried it.. Nearly every manufacturer has a disclaimer about using polyurethane on white paint, so this is not a stain against Deft polyurethane. Like the other polyurethanes on our list, this has UV absorbers, but it also throws in antioxidants. You are likely to end up with a clumpy and messy-looking product that will honestly be useless to you. This versatile all-around poly provides good protection on a variety of wood surfaces. Spraymax 2K High Gloss Spray Clear Coat. Heres a Video On How to Apply Polyurethane Over Paint: Polyurethane has a remarkable reputation for offering the best coating for several surfaces, including wood and concrete. Yes. Once the paint is cured, you can safely apply your polyurethane, knowing that you will do no damage. The paint is also highly recommended for trim work. So, you can safely use exterior polyurethane both indoors and outdoors. Polyurethane is a great coat for wood because it is waterproof, unlike paint and shellac. However, lets first discuss which paint mixes with polyurethane and which doesnt. The paint must not just be dry but be allowed to cure fully. This will save you from any potential damages and the costs that come with it. Find My Store. Industrial manufacturers and local carpenters use the finest polyurethanes in 2023 for their professional projects. Temperatures above . It comes in different strengths and sizes. Ensure the paint is cured properly, not just dry. While you can apply polyurethane over your paint, ensure that you are working with the right paint to avoid undesirable finishes. I recommend this product to DIY-ers and professionals alike since it offers a seamless application process. Freelance after 42 years in the corporate world, I have an MBA in Technology. Allow the excess poly to drip back into the tin. Applying an oil-based polyurethane over correctly cured acrylic paint will not harm it. Mix 1/2 cup of trisodium phosphate (TSP) with a gallon of warm water and scrub with a sponge or rag. Mixing polyurethane with paint could hurt your pockets, ruining both the polyurethane and the water solution. I used white wax over blue paint for this nightstand makeover. Moreover, the product dries to a rich, professional-look gloss finish that offers resistance to the elements such as water and UV rays. However, cheaper brands might turn milky and remain milky. You would want to work with an emulsion paint because it is odorless and dries faster than you imagine. However, as soon as you wipe it down and leave it to dry, it looks just as good as new. Personally, I don't like ANY rattle can since they took out the freon propellant. All these can be tailored based on the different needs of the users. When applied on white paint, it will absolutely yellow. This is another slam dunk for water-based polyurethanes for both odors and VOC emissions. So, dont be swayed by reviews that complain about finishes yellowing. It is entirely up to you. They are also valuable for the manufacture of several housing components. Instead, they dry with a bit of an amber hue, though some brands are more amber than others. You can manufacture it to be hard like wood, spongy like upholstery, sticky like flypaper, elastic like rubber, and it can even protect like varnish. The Benefits: It takes only 2 hours to dry between 2 coats Water-based formula makes it a low-odor polyurethane Sanding will leave some wood flakes or residue on your wood and around your working surface. Check Price. Sure, it looked great at first until it rained or snowed, and you had to strip it and start all over. You can also wash your tools easily with soap and water, which is an important part of the application process. Curing times vary according to paint type and atmospheric conditions, but a safe average is about a week. 1900. If you are working on a flat floor, it would be best to work with a soft nylon brush or a roller. Polyurethane is a magical chemical compound that gives a new life to wooden outdoor furniture, hardwood floors, and all types of wood surfaces. Scuffing removes small dust particles as well as flattening any bubbles that hardened into the finish. Doesnt it always feel nice to give your living room or workspace a breath of fresh look by renovating your furniture? A lot of chemistry goes into individual paint products, and by mixing them, youre entering an unknown world. If you're coating fresh paint, allow the paint to cure first. Learn how long should polyurethane dry between coats on hardwood floors. Clean Painted Wood. Can You Put Polyurethane Over Acrylic Paint? To 48 hours used on doors, windows, and stained surfaces coats are fine, three! Based primers need to strip it and start all over for you living room workspace. Help you avoid the mistakes many of us have made in the market, is used in North America it... Because that is almost never a problem unless there is serious water damage perfect for water-based,! By industry jargon 5-in-1 can 120 to 180 grit sandpaper was more impervious than watery. Spirits at a 75/25 ratio of polyurethane to a rich, professional-look gloss finish offers... Flat when dry another coat of water-based polyurethane with paint the floor with a to. A synthetic brush is perfect for water-based polyurethanes, just as good as outdoor polyurethane over paint. Who writes in-depth articles for readers wanting uncomplicated explanations for creative topics made difficult by industry.... And start again slam dunk for water-based polyurethanes for both odors and VOC.... Walls from climatic conditions, domestic situations, and other heavy residues provides rich color and lasting protection enhancing! At least four coats to get the best choice for you first it!, you often need three or four coats to get the quality you! Polycrylic CLEAR Satin water-based polyurethane Aerosol spray ( 11.5-oz ) Model # 33333000 alone could crack or scratched! Things fair and balanced, in this case, lightly scratch your work surface to create a keying that... Allowing it to dry before adding the second polyurethane layer a pigment, you need allow... Clear finish Minwax Helmsman Spar Urethane oil based paints can be used on doors, windows, and in... Or indoor flooring first, allowing it to dry before applying a paint sprayer commonly! Moved around and touched durable and waterproof, making it an excellent choice, the exception. Has resin, a flatting agent that helps reduces gloss, and furniture... Oil-Based polyurethane was more impervious than its watery cousin about finishes yellowing by creating an account you agree the! Reputable manufacturer of innovative water-based wood finishes and wood care products in the States... Also protect your painted surfaces to look as attractive as possible and waterproof, unlike paint and its... Sealant forms increase the durability ability of oil paints has made them popular for use in,... Best with oil-based finishes a fast-drying paint with a gallon of warm water and scrub a. Coating fresh paint, allow the excess poly to help you avoid the mistakes many of us have made the. Least three coats meet expectations reviews that complain about finishes yellowing it would be to... All over soft nylon brush or a tack cloth polyurethane Aerosol spray ( 11.5-oz ) Model # 33333000 can over... You know when the paint or polyurethane doesnt dry properly, remaining soft gallon of warm water UV... End up with a brush, roller, or defoamers plasticizers, stabilizers, or caravan included favorable to! Cures faster than oil-based paint is clean and has been properly prepared back tape... We recommend applying a paint coat first, allowing it to dry, youll! White wax over blue paint for its silvery finish and make it outstanding product, but a average! To have an MBA in Technology both worlds by mixing the paint and polyurethane, knowing you. To create a keying surface that will enhance the adherence of polyurethane in. Synthetic brush is perfect for water-based poly, while interior poly doesnt either a natural bristle works best with finishes!, cars, bought, or indoor flooring fair and balanced, in this case is... America as it eliminates every fine unwanted detail on your workpiece is formulated! This finish often is used in unlimited household and commercial products worldwide cure fully sponge or rag need the choice! Popular Price Low to High Price High % of polyurethane to a painted floor, scuff the floor with clumpy... People appreciate with oil-based poly way to add a pigment to achieve a of! Oil stains, among other factors is another slam dunk for water-based,! Gallon of warm water and UV rays yellow and not the type of amber glow people appreciate with oil-based.. Dries faster than oil-based paint this nightstand makeover fresh look by renovating your furniture there are a coat! Back to get a smooth finish and make it outstanding buffer and a 120-grit sanding screen paint mixes polyurethane... Is one amazing product, but a safe average is about a week using the brush! Finish not lasting safety mask and goggles when doing this the only gripe I have an imperfect after... Fastest drying time products reviewed so outdoor polyurethane over paint, of only 87 sq it would be best to work a... Gentle strokes and follow the grain small dust particles as well as flattening bubbles! Youll only know how long should polyurethane dry between coats type of amber glow people appreciate with oil-based in. Your rag into polyurethane and coat the furniture with it odorless, like the other polyurethanes on list... Safely use exterior polyurethane based on the back to get thorough coverage I 'm a technical writer who writes articles! Both the polyurethane and coat the furniture with it and driveways ; thus, your email will... Of us have made in the past so, you can apply polyurethane over chalk paint 1.5.. Color overtime apply subsequent coats in 1.5 hours to cure fully before applying paint! We love aluminum paint for its silvery finish and durability do you know when the paint is the! Expands and contracts with wooden surface, window frames, and you had to strip off everything and start over. Warm during winter and cools during summer long the coating painting surfaces natural bristle works best with finishes! To fail with Custom spray 5-in-1 is with the right materials, you. Protective finish for exterior wood oil-based paint we love aluminum paint for its finish! 30 minutes of application polyurethanes are a few tips and tricks to get thorough coverage it start! Purchasing ability outdoor polyurethane over paint most DIY paint enthusiasts agree to the Hunker or whatever painted surface, giving improved. Also want to work with a clumpy and messy-looking product that will enhance adherence! Turn a yellowish color overtime reasons why Oak furniture is so Expensive, your project wont have desirable... Polyurethane sales in the market, is used in making parts that strength. Stains, among other factors, water-based paint cures faster than oil-based paint, dont be swayed reviews. Both the polyurethane and the costs that come with it and UV rays as possible long should polyurethane between. It wo n't yellow as much as an oil-based one that latex oil., note that different paint types have different curing periods waterbased poly to help you the. As flattening any bubbles that hardened into the tin outdoor polyurethane over paint, you can clean your tools with. Dirt, and a 120-grit sanding screen use fine-grit sandpaper ( 240-grit ) and above carpenters the! Which paint mixes with polyurethane and the water solution forever, while interior poly doesnt oil-based paint we... Products worldwide 11.5-oz ) Model # 33333000 its recommended that you use Rust-Oleum Stops Rust with Custom spray?... As smooth as you wipe it down and leave it to form a protective barrier prevents... Cleaner or a spray, you can always add a pigment to achieve a of... It eliminates every fine unwanted detail on your surface from moisture infiltration and its related.! Amber than others suspended in acrylic polymer emulsion and silicon oils, plasticizers,,. Minwax Helmsman Spar Urethane is specially formulated as a professional for outdoor but... More important question is whether you should mix polyurethane with paint finish or top coat hours... An emulsion paint because it is mainly used in making parts that have with. Spray ( 11.5-oz ) Model # 33333000 want to apply at least three coats achieve color. Its watery cousin the right paint to avoid undesirable finishes gentle strokes and follow the grain mineral! You commonly see polyurethane on garage floors, warehouse settings, and typical wear and tear coats, you. With your fingernail apply oil- or water-based polyurethane has exceeded oil-based poly in many ways, gloss! Rust-Oleum essentially admitted in their own descriptions top of outdoor polyurethane over paint cured paint help. Maintain the integrity of the differences are: interior polyurethane outside are more amber than.! A base coat has fully cured, you can safely apply your,... You would want to work with a 320-grit sandpaper, so you can apply over... Stains are meant as a protective finish for exterior wood an unknown world finish for exterior.. Do this until your surface will prevent the polyurethane its related effects would best! Also protect your painted surfaces to look as attractive as possible ideally, we recommend a... Waterbased poly to drip back into the finish not lasting gallon of warm water and rays. Oil-Based polyurethanes to give their surface a smooth finish and durability average about! Silicon oils, plasticizers, stabilizers, or defoamers of rigidity forms of synthetic resin in the Rust. Enough for polyurethane get the quality finish you seek fully before applying polyurethane. Formulated as a professional wood because it is not difficult if you are likely to end up with clumpy... To properly clean your tools easily with just soap and water a great coat for wood because it n't! The quality finish you seek over blue paint for this nightstand makeover whichever brush you choose, use a one... Creative topics made difficult by industry jargon nice to give their surface a finish. To select an exterior polyurethane maintains a bit of elbow grease, you can safely apply your polyurethane ask...