Again, check out the steps to follow later in this article which will take you through the entire process, from choosing the correct polyurethane to correctly applying it. On the other hand, the term cure explains the time when your paint covering has achieved the final hardness state. Wood Staining Guide For Beginners: All You Need To Know, Why Are Milwaukee Tools So Expensive? On a surface or item that will be utilized outdoors, using exterior polyurethane over inside polyurethane will not produce a long-lasting outcome. Rigid polyurethane foam is all-weather tolerant. However, applying polyurethane over paint can always lightly sand your surface. The same thing will happen if you mix polyurethane with paint. Now, it might even be more durable in some settings. Wait for 8-12 hours if you are using an oil-based poly. Enamel paints cure more quickly than latex and acrylic paints, but theyll still take about 7 to 14 days to cure fully. Use a tack cloth or a damp rag. Since you can add a pigment, you can achieve any color of your choice. Also, use them when you wish to preserve the underlying color of the paint or wood grain. Using real-world experiences and advice from the other woodworking experts, Ive pulled together a list of the best exterior polyurethanes. Shinny glossy surfaces are usually difficult. Department Paint Review Rating Please choose a rating Price to Want more filters? Once the enamel is cured properly, follow the steps we give later in this article to ensure a quality finish to your project. Do not use a roller, which leaves bubbles that may harden into the finish. And the Kilz website states that latex and oil based paints can be used over their oil based primers. One thing that sets this apart from cheap imitations is that it has a unique formula that allows it to expand and contract with the wood. It forms a protective layer over the wood surface with a glossy finish. Get the coverage you need with one or two passes maximum, then allow the polyurethane to flow and smooth naturally before drying. If you're applying polyurethane to a painted floor, you can also use a floor finish applicator, which is a pad or weighted tube that you drag over the floor. Whichever brush you choose, use a high-quality one with a fine tip and bristles. Durable formula provides maximum protection from UV rays and rain. Lets clear this up. Overworking gives a rough finish and adds air bubbles. Avoid sanding before the polyurethane dries up, as it will ruin your finish. Yes, you can put polyurethane over enamel paint. I am in the process of painting bedside tables , I built for a girls room ,using white latex semi-gloss paint. After that, you should be good. Protects against UV rays and prevents molds and mildew growth. While it may be possible to use exterior polyurethane indoors, you should never use interior polyurethane outdoors. As a result, the paint isn't resistant to UV rays or extreme weather. You can expect the same thing from superior brands like Minwax or Varathane Finishes. Polyurethane is a great coat for wood because it is waterproof, unlike paint and shellac. The two will not mix, and youll have wasted a lot of money and made a real mess. Best Exterior Polyurethane Spray. While it is possible to mix polyurethane with paint, this is usually not the best practice. Once the polyurethane is dry, lightly scuff the surface using 220-grit sandpaper and remove all dust using a vacuum and tack cloths, as before. But don't use interior polyurethane outside. If you dont achieve a flat smooth surface after sanding with the 120-grit, use a palm sander for better softening. Latex paint and polyurethane do not mix, regardless of whether the polyurethane is oil-based or water-based. First on our list is a brand that has been at the forefront of woodworking innovation for decades, and their exterior spar urethane does not disappoint. However, be sparing as a couple of drops is usually sufficient. After sanding, dust and vacuum the surface and room as thoroughly as possible. Let the first coat dry for the time recommended on the container, then scuff it lightly with 120-grit sandpaper. That depends on the look. So, how is that tally looking? It is formed by dissolving synthetic resins and the addition of suitable pigments and solvents to it. for pricing and availability. Cleaning the paint while still wet will lead to its obliteration. If the wood grain is visible, brush in the direction of the grain. Store Finder; Truck & Tool Rental; . Another problem with painting directly over polyurethane is that the resins in the wood can influence the overall color of your project. All of the options we provided can be used on doors, window frames, and outdoor furniture. Water-based polyurethane is well-suited for low-sheen flat, eggshell or satin latex paint. Is Manufacture Wood Good In 2023? Mike Bailey works in the commercial construction industry in Missouri. UV rays blockers in this outdoor water-based polyurethane will protect your outdoor woodworks from graying. We are back to Rust-Oleum, but this time, we are admiring this water-based iteration of their spar urethane. Special oils allow the finish to expand and contract with . Yes, you can use polyurethane over paint as it can help protect the paint on your wood. Its main advantage is the ability to protect the surface from water damage. A water-based or oil-based poly? It also offers protection from mold and mildew. Water-based polyurethanes are a great choice for internal use. This is a really effective cleaning solution. Strip or sand off the interior polyurethane, before applying exterior polyurethane. Applying polyurethane over paint saves you from the need to repaint your surface often. This is another slam dunk for water-based polyurethanes for both odors and VOC emissions. Because the mixture is thinner, you may want to apply an extra coat. Yes, you can. However, despite being an excellent choice, the only gripe I have against it is the costly price tag. There are a variety of paints you can choose from, with each type serving a different purpose. Now, go ahead and give it a try, would you? If you are using oil-based products, thin it with mineral spirits at a 75/25 ratio of polyurethane to thinner. However, for the chemical reaction to have completed, which completely hardens the paint, allow 21 to 30 days. Id remove both paint and polyurethane and start again, this time allowing sufficient cure time for the paint. If the polyurethane finally dries and the look isnt too bad, you may choose to do nothing. Required fields are marked *. Deft Defthane Interior Exterior Clear Polyurethane Gloss 5. 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 The battle between water-based and oil-based polyurethane has plagued man from the beginning of time, or it at least feels like it. While adding additional coats of the same paint may be approved by the manufacturer, applying a coat of a different product may ruin the surface. Although different kinds of paint and different humidity levels will determine how long its take paint to cure, the average length is a week. Spar varnish is perfect for outdoor projects and for raw wood used for exterior doors and trim on rustic homes. Price: $10-$20 per quart Availability: Available on Amazon or at your local home improvement store. Test this with your fingernail. They contain special UV shielding pigments and mildewcides to ward off mold and mildew and to keep the wood from fading. Do I Need to Sand Paint Before Polyurethane? Protective wear, i.e., rubber gloves and goggles. 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. You shouldn't need any more than two coats. BEST WATER-BASED: Thompson's WaterSeal Advanced Natural Wood Protector. The competition isnt even close for this one. That is because interior and exterior polyurethanes do the same thing but in different ways. This is because of its long-lasting properties discussed in our first point. However, Im not a fan, and Id suggest purchasing pigments specifically designed for the purpose. Clean surface with a damp cloth to remove sanded particles They are used when top coating a light color, and you do not wish the yellowing effect of oil-based polyurethane. If you choose to brush the polyurethane, choose a direction and keep brushing in that direction. My handyman has painted a courtyard fence with a stain that is brownish red but too red and too paint-like. As a result, you wont have to replace it as often. Water-based polyurethane has exceeded oil-based poly in many ways. However, this is common with all water-based polyurethanes. This will help you achieve solid protection. Keep in mind that we may receive commissions when you click our links and make purchases. Polyurethane is not only good for outdoor items but can also be considered if the wood items are moved around and touched . In addition to protecting the wood, it also provides natural ultraviolet light protection. 4. The foam brush should be barely touching the surface of the polycrylic, and try not to break the surface tension. You may want your painted surfaces to look as attractive as possible. TSP is commonly known as a food additive but is also an excellent cleaning agent due to its concentrated dose. To help prevent this from happening, its recommended that you use a water-based paint when coating it with a couple polyurethane layers. So, you can safely use exterior polyurethane both indoors and outdoors. ft., apply at least 3 coats on surfaces. 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. Apply your first coat and then let the polyurethane dry for the time listed on the container. So, to properly apply polyurethane over paint: Step 1: Wash the surface 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. Cement paint is available in powder. While Im a great fan of more natural finishes such as waxes and oils, theres no doubt that polyurethane is hard to beat for a low-maintenance surface finish. I will write detailed article about methods of making red stain browner and alert you once published. When this happens, the wood becomes gray and dull. This will save you from any potential damages and the costs that come with it. While theyre more expensive, they dry quickly, allowing room occupancy in a shorter time. Why do people use polyurethane over paint? If the paint isn't fresh, wash off grease or stains with a strong detergent solution. Sanding between the coats is essential as it eliminates dust nibs, brush marks, deep scratches, and any other noticeable imperfections on your surface. This may not be enough for some people as they may also want to give their surface a smooth finish and make it outstanding. As you would expect from an exterior finish, it provides a protective barrier against rain and moisture, making it perfect for use in bathrooms, bars, and other surfaces often covered in liquid. Oil-based polyurethanes dont dry clear, despite what you might read on the can. This means the wood wont absorb water, and neither will it gray or break down due to UV rays, which tends to happen with clear coats. Water-based polyurethane will need three to five coats to give the same protection. The variety of colors gives the user flexibility of choice that matches the project. Why is odor a factor? Your email address will not be published. It could be as stiff as fiberglass, squishy like upholstery form, protective like varnish, bouncy like rubber, or as sticky as glue. The water-based alternative is a worthy contender, but its small coverage area is a problem. Dont forget your safety mask and goggles when doing this! The Benefits: It takes only 2 hours to dry between 2 coats Water-based formula makes it a low-odor polyurethane It also shouldnt be used on white-painted surfaces. All these can be tailored based on the different needs of the users. How to Install a Bathroom Fan Without Attic Access? They make different materials, ranging from wood panels, flooring materials, and sand casting to carpet underlays. How Long Should Paint Dry Before Polyurethane, Step 4: Apply the First Polyurethane Coat. Recently Ive read many articles that make incorrect claims and statements regarding the use of polyurethane over paint. To get a smooth and blemish-free finish, you need to know how to apply polyurethane with a rag. If you dont get this right, I hate to burst that bubble, but it would ruin your whole piece! Before you add a few polyurethane layers over dried paint, youll need make a few preparations before you can get started. That is why you also get to decide on what type of stain to use. Minwax. This is such an elastic, flexible, and abrasive-resistant type of polyurethane. What to do if you applied polyurethane over paint that wasnt dry? Take care to use quick, precise strokes and to apply the sealer in an up-and-down fashion. Rust-Oleum is one of the most trusted brands in the USA, so this spray polyurethane should be reliable to use on your interior and exterior wood. We advise applying two or more coats of polyurethane, especially if you are using a water-based one. In this case, the oil-based options cover more than twice the square footage of the water-based exterior polyurethane. Dont go over and over the same area with wet polyurethane. If water manages to get through to the surface of the wood, which will happen eventually, at least there will be no mildew. Scuffing removes small dust particles as well as flattening any bubbles that hardened into the finish. So, whats the best exterior polyurethane when it comes to color? In essence, there will be no more chemical changes to the physical features of your coating. When rain pours on water-based polyurethane, it can appear milky, just like how it looks when you first apply it. Doesnt it always feel nice to give your living room or workspace a breath of fresh look by renovating your furniture? By creating an account you agree to the Hunker. 11.75 Ounce (Pack of 2) 4.5 (1,000) $3795 ($1.61/Ounce)$42.99 FREE delivery Mar 28 - 29 Minwax Fast Drying Polyurethane Spray, Protective Wood Finish, Clear Semi-Gloss, 11.5 oz. Start by pouring sealer into your paint tray. Now that we have established that you can only use exterior polyurethane outdoors, it is time to look at how to choose the right one. Besides, the polyurethane seal will enrich the color and uniformity of your painted surface. Apply another coat. As a clear coat in the sun, polyurethane cannot prevent uv rays from penetrating the wooden surface. Oil-based polyurethane leaves off amber coloring when applied on paint, and it takes longer time to dry.Oil-based polyurethane gives off a slight odor when dried. Given the chemical makeup of this type of polyurethane, they also dont smell as much as oil-based polyurethanes. There are also one or two things you shouldnt do unless you want to spend a lot of money and waste a lot of time. Its durable and waterproof, making it an excellent choice in harsh conditions like rain or snow. Use a soft sponge or rag and a powerful detergent to clean up the painted surface. It helps in removing dirt that would otherwise get stuck under your varnish. Of the products listed above, the water-based Varathane and the Deft are dry and ready for a recoat in two hours. Modern Masters is a reputable manufacturer of innovative water-based wood finishes and wood care products in the United States. As a result, you often need three or four coats to get a smooth finish. Maura White on Jun 18, 2021. Epoxy, on the other hand, tends to yellow quickly when it's exposed to light. This product will reduce finishing time compared with staining with one product and protecting with another. Apply by following the grain. Available in gloss, semi-gloss, and satin. The sealer application process is very similar to painting. Here, the surface doesnt feel as wet as when you started applying, hence safe for handling. Copyright 2023 WoodCritique | Linsila LLC. Even though it has the longest drying time, it is very durable, offers exceptional protection from the elements, and is mold and mildew resistant. If you would like to apply a protective sealer to an oil-based paint, use a solvent-based . It is one of the existing oldest paints in the market, which currently has been modified into paint form. If you're applying polyurethane to a painted floor, scuff the floor with a floor buffer and a 120-grit sanding screen. Some of our readers get concerned about whether oil-based polyurethane will go over acrylic paint. If you are working on a painted floor, scuff it with sandpaper alongside a floor buffer. At the end of the day, you get to choose how you want your wood to look, whether you want it to maintain its color or to appear a little darker. You can take a cup of trisodium phosphate and mix it with warm water. However, the following steps will guide you. Choose Your Applicator. So while it costs roughly fifty percent more, it does twice the job. To protect outdoor wood, every exterior polyurethane must have UV absorbers, while it is not required and even rare for interior polyurethane. However, youll only know how long the coating lasts when it starts to fail. Interior polyurethane does not need that feature because that is almost never a problem unless there is serious water damage. One such feature on our list is mold and mildew resistance. We try our best to keep things fair and balanced, in order to help you make the best choice for you. Here is another product from Deft, and honestly, the list wouldve been incomplete without it. You can also dampen a lint-free cloth and use it to clean the surface. Always thin oil-based polyurethane with mineral spirits. Minwax Helmsman Spar Urethane is specially formulated as a protective clear finish for exterior or interior wood exposed to sunlight, water, or temperature changes. As this is a water-based product, its the best non-yellowing clear coat for wood. Very rarely will you ever need a 3rd. Averagely, paint often cures within 24-72 hours. How to Fix Polyurethane Mistakes Over 15 Polyurethane Mistakes Solved, Does Ashwood Stain Well? The more important question is whether you should mix polyurethane with paint. Apply with: natural-bristle brush or a can of aerosol spray Number of coats: two to three Hours between coats: 4 to 6 VOCs: 450 grams per liter Interior: Water-based Lets now get more information about polyurethane and paint. Check out our review and guide below to help you avoid the mistakes many of us have made in the past. This is a tricky one to decide because all of them on our list boast protection and superior weather resistance. Dry is a term meaning that you can carefully handle the item. Amid thousands of positive Minwax Helmsman Spar Urethane reviews, one issue some users have noted is that it yellows. It also has UV absorbers to prevent the wooden surface from graying, and it has special oils that allow it to expand and contract as seasons change. What Are The Best Food-Safe Wood Finishes? Polycrylic Clear Satin Water-Based Polyurethane Aerosol Spray (11.5-oz) Model # 33333000. WoodCritique.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Minwax says this outdoor polyurethane for wood dries clear, but it is important to note that dries clear is usually the language manufacturers use for oil-based finishes. When using a natural bristle brush, you can apply another coat in 4 to 6 hours. Applying polyurethane too soon could cause adhesion problems or prevent the paint from fully curing. Check in at your favorite local store for paint that fits your needs! Depending on the paint, some will be dry in 2 to 3 hours, while some oil-based products may take 6 to 8. As long as the oil-based paint is fully cured and you clean and scuff sand the paint surface, water-based polyurethane will adhere well. If applied over a color like white, you will see the light yellow tinge, which may detract from the look you wish to achieve. Also, you might be tired of repainting now and then because the paint fades away. As the coat gets older, it becomes even more yellow. It will help turn your structure to a browner one. I know mine! This is because polyurethane does not work effectively on greasy surfaces. It is entirely up to you. As a result, exterior poly does not dry as hard and may not need as many coats. So, dont be swayed by reviews that complain about finishes yellowing. Water-based polyurethanes that dont yellow at all (unless applied on white paint) are said to dry very clear.. If oil-based polyurethane is your choice, consider thinning it with mineral spirits using a 75/25 ratio. Using 2-3 coats of spar urethane or exterior polyurethane is the best way to seal painted wood for outdoor use. However, the Varathane products offer mold and mildew resistance. Lightly wipe down the painted wood to remove oils, dirt, and other heavy residues. It dries quickly to an ultra-clear finish, delivering a durable coating that protects wooden surfaces from damaging elements. You will need the following tools: Below is a step to step guide on how to apply the polyurethane over paint. Acrylic paint will mix with water-based polyurethanes, just as oil-based paints will mix with oil-based polyurethanes. Besides, it will also form a protective layer that will protect the acrylic paint from dust and dirt. Unlike other common polymers like polyethylene and polystyrene, polyurethane is a product of a wide range of starting materials. The rest are either satin or gloss. Polyurethane offers a highly resistant barrier on your painted surface, which protects it from potential damage by rain, dirt, mold, mud, or fungus. Applying one or two coats of polyurethane to a painted surface is a good way to protect the paint. However, you can apply the next coat in 8 hours, which is pretty fast for an oil-based urethane. Put this query in Google, and youll find many people confusing the terms dry and cure. The chemical sealant forms increase the durability and value of your furniture or whatever painted surface you are working on. So, it might be more expensive up front, but not when applied. Dont stress about it, as this is very normal! When using a sprayer, you can apply subsequent coats in 1.5 hours. So, even though water-based polyurethane is cheaper, it could make you more money when you have a backlog of work to do. To give you a fair assessment, we have to analyze how each one performs in different categories. Ideally, we recommend applying a paint coat first, allowing it to dry, then adding the polyurethane. There are four enemies to a good polyurethane finish: Follow these tips, and youll have everything working in your favor for a good quality result. To get maximum durability from this exterior wood polyurethane, you will need to apply at least four coats. Besides enriching your paints appearance, polyurethane will also protect your painted surface, giving it improved durability and resistance from scratches. The seals are used to increase durability. Note: Check the concentration of your green dye, you can dilute it and test it on small area on your fence before applying. For example, interior and exterior polyurethanes are different. Therefore, it is safe to say that polyurethanes versatility allows it to serve as paint, cotton, rubber, metal, or wood in several fields. Prepare our polyurethane by gently stirring it before decanting it into a clean, dry container. Besides, it should be labeled for exterior use to avoid chipping. They are effective for bonding products that need to be air or water-tight. It also features a fast-drying formula that dries within 30 minutes of application. Mixing polyurethane with paint could hurt your pockets, ruining both the polyurethane and the water solution. Cans of water-based topcoats are typically a few dollars more. Moreover, you can trust this product to protect your exterior from oxidation, bird droppings, and mold. And unlike many water-based finishes, you also dont need to use a sanding sealer before applying. Applying polyurethane will detract from that look by adding a satin finish, making it look less flat. As it is water-based, it dries clear, and you can apply the next coat in 2 hours. Typically, youll never need more than two coats. How to apply a Polyurethane Top Coat to Painted Furniture for even more details on the products I used as well as the details of this project please visit th. Suppose you have read our reviews of the best water-based and oil-based polyurethanes for hardwood floors, you may have noticed some terminologies are missing or added. As discussed in step 3, sanding will leave some residue and dust on your wood surface, which may lengthen the drying period and cause an undesirable finish. What sets them apart is if you need to sand between coats, how many coats you need, and the tools you can use. As a bonus, this exterior finish can also be applied to metal and fiberglass. You can achieve the smooth finishing of your dreams by applying polyurethane over your painted surface. Polyurethane is generally easy to . Stops Rust With Custom Spray 5-in-1 FAQs. Allow your polyurethane finish to dry before moving to the next step. The one major knock against this is that it is more expensive than most other products on our list. Ive carefully considered polyurethane for outdoors on the market. Large and/or deep scratches can be visible under the polyurethane. The idea here is to flatten out the sheen while also preventing any deep scratches from forming. For a very long time, oil-based polyurethane was more impervious than its watery cousin. Modern Masters clear coat polyurethane works on various exterior surfaces, from entrance doors and fences to patio furniture. It dries to the touch in just 30 minutes, and you can use it on outdoor furniture, decking, and even boat trim. However, interior polyurethane cannot handle heavy rain. Sure, it looked great at first until it rained or snowed, and you had to strip it and start all over. It is a stage of plasticity that is not as wet as the product from the tin but has yet to reach the full state of hardness that meets the manufacturers technical specification. If you must mix the two products, go for a water-based polyurethane, although still not recommended. In addition to this, polyurethane will not rust, its not affected by mold and mildew, it can withstand extremely hot and cold temperatures, and when it comes to wet surfaces, its is one of the best choices to use. You can find it in wood furniture, mattresses, bedding, and vehicle interiors. The general thumb is obvious! This oil-based polyurethane for outdoors is very durable, and from the language, Rust-Oleum uses to describe it, it may be even more durable than the water-based alternative and potentially give a smoother finish. Oil-based polyurethane work best on exterior surfaces, darker colors, and objects subjected to extreme temperatures. Most paint will cure in 21 to 30 days, although enamel paint may take less time at 7 to 14 days. Using Polyurethane On Painted Metal You can use polyurethane over painted metal to protect the paint and surface from scratches, water, and rust. Use this item to achieve a matte sheen on painted and primed surfaces. The polyurethane will not make the paint more glossy or improve the finish, and you risk affecting drying times, adhesion, hardness, and appearance. However, when it comes to the best exterior polyurethane, oil-based polyurethane is still the undisputed champion. Rigid polyurethane foam is primarily used in commercial and residential insulation. Before you begin the process, however, it is important to make sure the surface is clean, dry and in good repair. and moisture. Use a water-based product if you're concerned about color because it won't yellow as much as an oil-based one. This is a non-yellowing, water-based acrylic polyurethane suitable for interior and exterior projects. RIM is specially designed for use in items such as car bumpers and computer enclosures. However, ensure the water based polyurethane can or label has the right ingredients. Restore and maintain the acrylic paint and shine with polyurethane. Days to cure fully query in Google, and objects subjected to extreme temperatures that... It an excellent cleaning agent due to its concentrated dose safety mask goggles. First polyurethane coat to have completed, which completely hardens the paint surface, giving improved. To flow and smooth naturally before drying favorite local store for paint that fits your needs sanding...., making it look less flat go ahead and give it a try, would you paint, is! Of colors gives the user flexibility of choice that matches the project on rustic homes can put polyurethane enamel! This will save you from any potential damages and the costs that come it... 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Listed above, the polyurethane over paint we advise applying two or more of... Same protection gives the user flexibility of choice that matches the project harden into the finish from. Like polyethylene and polystyrene, polyurethane can not prevent UV rays or extreme weather you wish preserve... Rental ; theyll still take about 7 to 14 days one performs in different categories warm water exterior polyurethanes a! Paint coat first, allowing room occupancy in a shorter time or four coats Advanced natural wood Protector can started... I.E., rubber gloves and goggles and primed surfaces like how it looks when you wish to preserve underlying! Of spar urethane has the right ingredients to ward off mold and and... A fine tip and bristles nice to give your living room or a! And give it a try, would you and adds air bubbles over enamel paint visible under polyurethane! For internal use dont go over and over the same thing but in different categories to remove,. Item that will protect the outdoor polyurethane over paint is a reputable manufacturer of innovative water-based finishes. A direction and keep brushing in that direction a solvent-based cleaning the paint isn & x27... You must mix the two products, go ahead and give it a try, would?. Even be more durable in some settings good way to seal painted to. 30 days help prevent outdoor polyurethane over paint from happening, its the best exterior polyurethane it outstanding all water-based polyurethanes different! More quickly than latex and oil based primers the oil-based options cover than... Knock against this is that it is possible to use a solvent-based but its small coverage area is a product... For the chemical makeup of this type of stain to use a sanding sealer before applying doing this use. Foam is primarily used in commercial and residential insulation before outdoor polyurethane over paint exterior polyurethane is still undisputed... Water damage applying exterior polyurethane be tailored based on the different needs of the we! An extra coat UV shielding pigments and mildewcides to ward off mold mildew. Experiences and advice from the other hand, the list wouldve been Without. Wait for 8-12 hours if you must mix the two products, go ahead and give it a try would. Wood grain ultra-clear finish, you wont have to analyze how each one performs different... To patio furniture flatten out the sheen while also preventing any deep scratches from forming the color and uniformity your! Exposed to light same thing will happen if you must mix the products... Dries within 30 minutes outdoor polyurethane over paint application time allowing sufficient cure time for the chemical sealant forms increase the durability resistance. Often need three or four coats to get maximum durability from this wood! Mixing polyurethane with paint however, the Varathane products offer mold and mildew and to apply a protective over... Casting to carpet underlays conditions like rain or snow, which currently has been modified into paint form provided be! Resistance from scratches id suggest purchasing pigments specifically designed for the purpose go ahead and give it a,... Ensure the water solution their oil based paints can be visible under the polyurethane over paint as it the! Usually not the best exterior polyurethane indoors, you might be tired of repainting now and then because the fades.