have a chuckle ! In my opinion, this is the largest benefit of water based polyurethane. It takes oil-based polyurethane 24 hours and water-based polyurethane 6 hours to dry enough to be able to walk on it in socks and proceed to the next step of the application process (sanding or applying the next coat). I specifically asked that company for waterbase. And, at those points in time, the water based poly looks way worse than the oil based - in fact, it's usually peeling off and the hardwood is starting to look gray. Once the poly is dry, there is no difference in smell, off-gassing, etc. While exterior polyurethane is available in both oil and latex versions, Coastal Contractor finds that the water-based versions just don't hold up as well as the oil versions. Click to see full answer Also question is, how do you apply Minwax fast drying polyurethane spray? Shellac, though, can go bad in under a year. (For out of state customers, please call 914-407-3899.). 12 months - The length of time a poly should be usable after you open the can. Slower drying may be an advantage for the do it yourselfer because it gives time to correct mistakes. I applied each successive coat after lightly sanding between coats with 400 grit sandpaper and achieved a finish I'm pretty content with. Polyurethane takes hours, not minutes, to dry; that's a lot of time for dust to settle or bugs to land on the surface, marring the final product. The final Coats were bona Mega. Polyurethane does not make hardwood waterproof, but it does provide a strong protection layer to make wood water resilient and protect your floors from scratches. Don’t confuse dry time with curing time which can take up to 1 month depending on conditions. As you can see from this picture, the difference is pretty dramatic. A good polyurethane, if maintained well, can last you decades. Can you speed up polyurethane drying time? A water-based polyurethane only takes 4 to 12 hours to dry. What is the difference between an air dry lumber and a kiln dry lumber? In my opinion, this is the largest benefit of water based polyurethane. And, yes, I did validate this with the manufacturer - and they offer both water and oil based (and they make more money on the water based so they have no reason to mislead here). I wasn't there to witness what that company put down with the first coat of finish. The St. Regis Residences, Rye Announces Partnership with BMW, Montfort Academy Junior Wins Regional Art Exhibition, The Greek Orthodox Church of Our Saviour Preschool Registration, Westchester To Begin Making Picnic Reservations For Parks, Felony DWI Charge; St. Patrick's Day Parade Canceled; Food Drive, New Standards Will Help You Choose An Effective COVID-19 Face Mask, Larchmont-Mamaroneck Pets Up For Adoption: Meet Lavender, Matilda, Kahlua & More. 2. Water based poly can have the same longevity. Remote paid study for both! The amount of UV protectant contained in the polyurethane affects durability. Water base can be walked on within 24 hours and will be much more quickly ready for high level traffic, whereas some oil base products can take up to 30 days. You need to move all the furniture out and often go away for a week. It gives off less fumes during application, has a clear finish, is non-yellowing and has different sheen levels. As they were sanding they realize that they were sanding off oil based Polyurethane and not water. 5 Onion in a Saucer of Water Solution. If you want to use a spray gun, hold it closer to the surface; if you use an air assist airless, hold it further from the surface. Can I apply polyurethane if stain is tacky? 48 … Sand down the brush marks lightly with the fine-grit sandpaper. Among water based polyurethanes, most experts agree that Bona is the best brand, and specifically Bona Traffic line. You also have the option to choose between different types of finishes as well. What happens if you don't sand between coats of polyurethane? To get the best finish when spraying polyurethane, you should try to apply a thin coat (as thin as possible). Well, usually it is a simple decision, but there certainly are some exceptions and different customers have different needs. What is the difference between a dry martini and an extra dry martini? In high traffic areas, water-based polyurethane varnish may be less durable. For customers already living in their home, I recommend that they do this while they will be away for a while. It cleans easily with water and will not yellow with age. What' s also interesting is that almost all of my customers who have had water based polyurethane tell me they would NEVER do it again. Water-based polyurethanes provide a clear, neutral finish and have low odor. Water based polyurethane doesn't smell as bad. Can I use it over paint? Water-based coatings and paints can also be viable longer than three years. Water based polyurethane dries faster. Do you sand the final coat of polyurethane? Since water based polyurethane has lower VOC's (Volatile Organic Compounds), it is a bit better for the environment. I rely on happy customers who recommend me to their friends and come back to me years later for the other flooring in their home. If you start early enough in the day, you can apply the recommended four coats and sleep in the room that night. Can you change the color of your hardwood floors? How do you apply polyurethane without brush marks? Different polyurethane formulas have a varying dry time. For this reason water base finish requires a higher level of skill to apply. I've stained and applied 4 coats of Varthane water-based polyurethane in matte finish. I live in NZ , and just bought a Pint size can of CABOT’s High Gloss Polyurethane based Varnish….as it was NZ $ 33 (! If you live in Westchester County NY, and you would like advice on refinishing your floors, please give The Flooring Girl a call at 914-937-2950. The other issue when it comes to appearance is that over time the polyurethane amberizes and darkens a bit...usually giving it a richer look while the water based poly just continues to get duller over time. How do you finish the final coat of polyurethane? Want to post on Patch? Product Recommendations. How long does polyurethane take to dry? The initial curing time of the polyurethane after it has been applied to a large portion of your home’s floor can be up to 5 to 7 days. Please note that these times are estimates and times can vary, especially based … So, if you're going to go though the hassle of refinishing your floors, I recommend doing it right so it last longer. Is it better to spray or brush polyurethane? Water based polyurethane has lower VOC's - which is a bit of an environmental benefit (more about that in a moment) - but because it has lower VOC's (Volatile Organic Compounds), it doesn't last as long. Pros: Easy to apply and touch up; little odor or … What's the best top coat? If you live in Westchester County and need to refinish your hardwood floors, feel free to give The Flooring Girl a call at 914-937-2950 or visit our website. It has a more depth - both in color and shine and it looks the way we expect hardwood to look. For purposes of this post, this timeline is from the time the last coat of polyurethane is applied. You can recoat them in two hours and clean your tools with water. I think this is a bit of a shame, but I understand it due to all the neighbors. The water based polyurethane (left) is lighter and duller than the oil based poly on the right. The polymers within liquid, Sand lightly with 240-grit sandpaper between, The floor should be mostly cured (enough to live on) in the first 5-7, And, make sure your pets (who usually have bare feet) do not walk on the floors during this time. Wax. Water-based polyurethane can have less of an offensive odor when compared to oil-based products, but floors require at least four coats to achieve the desired level of protection. These are both oak natural (no stain, just polyurethane). Both water-based and oil-based products give off strong fumes as they dry (although oil-based is decidedly worse), so proper ventilation is a must. Water-based coatings and paints can also be viable longer than three years. That same polyurethane with 4 coats = 21 -33 days (now we are into huge DISADVANTAGE). 3. Polyurethanes were invented in the 1930s and have found their way into many home improvement products like foams, glues, finishes, and caulks. Curing time can take anywhere from days to weeks, depending on whether you used water- or oil-based polyurethane, how you applied the product and … This product definitely costs extra, but if you are going to use a waterborne polyurethane, Bona is the way to go. Click the window above to watch an overview of the power buffing process. If they don't, they will spend more time and money paying for this later. So, I will point out that while water based is a bit better for the environment, remember that it doesn't last as long and the floors will need to be redone in a few years, thereby eliminating that benefit. Yes, it is possible. Additionally, can you spray on polyurethane? Also, how long does Polyurethane last in the can? For a regular house, it will not make much of a difference to your neighbors, and I will also point out that both water based and oil based poly smell, and I still recommend that customers go away or stay somewhere else while this work is being done. Start by peeling and slicing an onion. Restoring polyurethane treated floors The views expressed in this post are the author's own. High quality water based polyurethanes is considered by many homeowners & flooring professionals to be equally durable. Oil-based polyurethane requires more drying and curing time than water-based finishes and is the more durable option. Because water based polyurethanes only contain 30-35% solids (vs. oil based contain 45-50%) solids, you will need to add more coats of water based poly. Oil based polyurethane takes longer to dry than water based poly. They felt mislead by their previous flooring contractor. Finally, water-based poly dries a lot faster, giving dust less time to settle out of the air into your finish. But, on top of the initial cost, you also need to consider that you will need to redo the whole job sooner...you will probably redo them almost twice as often. What cars have the most expensive catalytic converters? 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