I needed to just put a clear water-based polyurethane over the paint. If you are using vinyl paint, then be certain you receive the ideal kind of paint, and then adhere to the aforementioned guidelines to paint and prepare the surface. Sure wish I understood “Take a bristle or preferable an ox hair brush, and brush the varnish on brushing in one direction going from dry to wet. A thin coat of bonding primer is going to be an essential ingredient to painting … There's nothing worse than putting hours of effort into painting a newly acquired piece of furniture, only to have it scratch and peel off at the slightest touch! Department. I used Minwax Polycrylic over pale grey Valspar Chalk paint and the Minwax Polycrylic left yellow streaks. With 1 coat it is possible you are seeing a combo of brush marks and unequal absorption of the varnish. Alternative Finish for Cornhole Boards. Always spot test on a hidden area to ensure satisfactory results. Wilson specializes in mental heath and wellness articles for various websites. I know, I know, no one likes to sand! Polycrylic typically refers to a water-based version of polyurethane. This product can actually be used on wooden floors. Don't attempt to use an interior polyurethane outside because the finish will peel off very quickly. Wish I had seen this post earlier…. If you choose to paint over polyurethane without prepping, your paint is likely to peel right off.It won’t take much to scrape the paint off the surface. Amazon.com: outdoor polyurethane spray - 1 Star & Up. Humidity slows down the curing, most likely this was the cause of your problem with the poly. I believe two coats is in sufficient.I always use 4-5.It will look better and last longer. Furthermore, polyurethane application is a very simple procedure that virtually any household handyman is capable of tackling—provided, of course, that they're armed with the proper set of … Depending on the object and how well you want to preserve it, you can try 3 main types of finishes for pine. I buy gallons of GLOSS marine varnish to put the first 3-4 coats of varnish on my doors.I do this because the gloss is totally clear.I use satin for the final coat if the client wants satin.They make all varnish in huge quantities in gloss then add cilia sand in increasing proportions to flatten it down to semi gloss satin or flat.The cilia sand makes a cloudy look that I don’t like.If the client want satin I use satin for the final coat.I use cone filters to strain the base coat and ladies nylons to strain the final.Use a bristle brush that has NEVER been used for paint because if there is old paint in the heel you will ghet paint specks in the fresh varnish.ALLWAYS USE MARINE/SPAR VARNISH EXTERIOR!!! I have not. While it may be possible to get the polyurethane to adhere to the original coating, there will never be a great mechanical bond. Instead, you should be using a different type of paint - you can use Minwax Polycrylic. A light sanding with fine paper or sanding sponge is needed. A polyurethane finish can prolong the life of paint and prevent ultra violet rays from causing it to fade. Thank you for sharing your years of experience. You can use either a brush or roller to apply, and it goes on the paint a lot easier than applying polyurethane to bare wood. To get the best result for your wooden pews, a really good sanding with a sander will be beneficial. For that, first strip off all of the paint, then apply the stain. It is not recommended and should really be avoided if possible as it will peel and blister. The amount of UV protectant contained in the polyurethane affects durability. Minwax 63205444 Helmsman Spar Urethane, quart, Satin. It’s up to you if you want to use 2 different sheens. My front porch is being renovated. I REALLY want to use the spars varnish on the floors we are redoing! Water based Spar Urethane or Marine Spar urethane. What would I need to use to fill gaps in tongue and grove caused by expansion and contraction due to heat and cold? Anti Slip Outdoor Polyurethane Floor Paint/ Playground Floor Resin , Find Complete Details about Anti Slip Outdoor Polyurethane Floor Paint/ Playground Floor Resin,Anti Slip Outdoor Polyurethane Floor Paint/ Playground Floor Resin,Polyurethane Floor Paint/ Playground Floor Resin,Anti Slip Outdoor Polyurethane Floor Paint from Building Coating Supplier or Manufacturer-Zhengzhou Dacheng Paint … The Hellman Spar you have is well suited and recommended over stains. It can come with a Satin or Gloss Finish. Believe it not, apply polyurethane over paint is incredibly easy to do, and creates a smooth, durable clear finish. Polycrylic is a clear acrylic product with polyurethane resins. View Author’s Profile – Dale Palmer’s Perfection Restoration. Click here for instructions on how to enable JavaScript in your browser. Lastly, should the stain be reapplied before varnish goes on? For best results, stick with a good brand and pay attention to the coverage and number of coats information on the label. Helmsman® Spar Urethane is not recommended for large exterior surfaces where maintenance would be difficult, such as decks and siding. I have a Therma tru fiberglass door I am using gel, oil based stain on. McCloskey’s Man-o-War marine spar varnish is the best to use. Do you ever sand in between marine varnish coats? Nothing else has the same shine, but I thought maybe putting down a couple of thick coats of some kind of oil based poly first might make it more even and durable? I don’t think putting it over polyurethane would make a difference for durability, although spar varnish can be applied over poly and stick fine. A link to YouTube video will solve the problem for DIY guys. Polyurethane lets you choose between ... making it the best choice for outdoor furniture or other wooden objects ... it can take on a milky appearance if applied heavily over dark wood or paint. Oil-based polyurethane levels out to a smoother finish, although it takes several hours longer to dry. I am making something for outdoor use and I've painted it with a matte exterior latex paint. They have some nice self leveling polyurethanes they self level and looks like a sheet of glass when dried. If you have an article that you would like to publish, then you may. Manufacturers guard this information, so you don't know if it is a generous amount or just a drop or two. Learn More. Some of the next coat as an exterior paint, they end damaging... By step advice then this is excellent advice based on my home owner.! 43210000 Helmsman Spar Urethane in an inconspicuous area before beginning my hands so i... 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