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. Longer answer: if you wait for the oil-based stain to properly 'dry' (cure) it's no longer oily. There are no significant advantages or disadvantages of applying water-based polyurethane over oil-based. I haven't applied water based enamel over a previous oil based enamel painted surface but recommend you only buy a small can to start with. As previously mentioned, latex is flexible in nature. 3. Woodworking Myth: You should never put a water-based finish on top of an oil-based finish. There’s an ongoing debate over which is more durable & long lasting. Always read the labels, as many oil paints, stains, lacquers and varnishes are extremely toxic. Polyurethane originally was an oil-based varnish with more plasticity than older varnishes or paints . Some still insist that durability is the main deciding factor between water based & oil based polyurethane. Emerald is a modified oil hybrid. Enamel traditionally refers to oil-based paint which dries very hard and will not rewet. This is because the curing process for oil is polymerisation, and polymerised oil is akin to resin. Warning Many of the products involved in this process have strong fumes. It will go over oil based enamel, but I would clean and sand as usual. A Drying Oil is one that will harden to form a solid film after exposure to the air over time. Keep in mind that polyurethane, both the water based and solvent based is one of the worst adhering finishes you can use. Reply. However, if you sand the surface and apply a sealing coat such as primer between the different layers, you can get by applying oil-based paint over latex. Get contact details and address | ID: 21641891830 You can apply "oil" based polyurethane over "oil" based enamel, you can also apply "water" based polyurethane over "water" based enamel, never mix the two, there's to much of a chance for problems. Oil based polyurethane will amber the paint, so use either water based polyurethane, or acrylic lacquer over your latex paint. Oil-based enamel hardens faster than water-based enamel but it has more odor and takes more time to dry. That includes the various semigloss paints and stains, whether they are latex, acrylic or oil-based. It is very likely that you will be using a chemical to etch the polyurethane. I needed to just put a clear water-based polyurethane over the paint. Varathane® Premium Polyurethane Oil-Based Wood Finish is specially developed to let wood’s natural beauty show through with the highest clarity over other oil-based polyurethanes. Epoxy paints are two-part paints which, unless mixed, will never cure. Enamel traditionally refers to oil-based paint which dries very hard and will not rewet. Alkyd is the resin used in almost all varnishes and oil-based paints. YMMV. Polyurethane originally was an oil-based varnish with more plasticity than older varnishes or paints. What's the best top coat? 1. Choose between oil-based and water-based polyurethane. I tried a few different water based enamels on some new doors, architraves and skirting and found it very difficult to achieve a good finish. Reactions: PaintStud. Spray lacquer is commonly used on new furniture and in new construction. You would be better off using a water based polyurethane. However, there is one thing that you need to have at the back of your mind before doing so. Oil based used to be unquestionably more durable. Can I apply water-based polyurethane over an oil based stain? 2. Save Share. To get unlimited color choices, all you need to do is buy a high gloss regular indoor oil based paint and cover it with a top grade clear urethane. Pros/Cons of Applying Water Based Polyurethane Over Oil Based. The stain was color matched to our new hickory floors, which are stained a medium-dark true brown (no yellow). Located in Hughesville, PA, RT Machine Company is a stocking distributor of new and used industrial woodworking machinery, offering over 600 woodworking machines within their 80,000 square foot warehouse, as well as parts, service, in-house staff and 5 traveling service technicians to troubleshoot machinery problems. If you are going to then use a water-based poly since it doesn't yellow like the oil based. What is Polyurethane? The advantages definitely outweigh the disadvantages of oil-based polyurethane. Polyurethane originally was an oil-based varnish with more plasticity than older varnishes or paints. The urethane protects the paint finish. This resin is hard but doesn’t provide the same protection as the oil-based resin which is … It’s common alkyd varnish made with some polyurethane resin added. Some of these water-based finishes are not for use over lacquer or shellac. Depends why you want to apply the poly over the enamel. Among the three, alkyd-based enamels are the best to use on furniture because they are more durable and more elastic so the finish can expand or contract in different temperatures. Durability of Water Based vs Oil Based Polyurethane. Source(s): put water-based poly on concrete floor and oil-based in living room and it looks like pee stains all over the place. Jim Carroll explains why it’s not only acceptable to use a water-based finish over and oil finish – provided you do it correctly – but that it can be the best solution when you want to … Can I use it over paint? In addition to this, oil-based polyurethane has a stronger scent to it and tends to dry slower than water-based polyurethane. Water-based polys use an acrylic resin just like water-based paints. Be careful when you go … You can get universal tint at any art supply, and should mix with any medium. I'd like to use a water-based polyurethane over a staircase I stained last night with a Sherwin Williams oil-based stain to avoid yellowing. Read about company. simply put, yes. I would not put an oil based polyurethane over latex paint or oil based paint for that matter. It will add resistance to spills, and a bit of resistance to scratching. Last time I used Rust-Oleum water-based matte polyurethane. Short answer: yes. If your latex paint color is light or white, don't use polyurethane. Some examples of drying oils include tung oil, linseed oil, and walnut oil. Oil-based enamels are ideal for polyurethane treated surfaces that must remain resilient in the face of duress. You can put an oil based varnish over the lacquer. Enamel traditionally refers to oil-based paint which dries very hard and will not rewet. So in actuality they “cure” rather than dry. I might test the Krylon clear spray paint … Water-based polyurethane works very well, dries faster and is non-yellowing. The oil hardens through a chemical reaction called cross-linking, or polymerization by intaking oxygen. Oil-based polyurethane is simply a type of varnish. A great finish to try is ZAR brand ULTRA Max – a waterborne oil modified polyurethane. Polyurethane originally was an oil-based varnish with more plasticity than older varnishes or paints. Polyurethane can be oil- or water-based, and you can use either kind over latex paint; however, oil-based polyurethane tends to yellow as it ages, whereas water-based varieties stay transparent. Well, I much prefer a true satin or matte finish, but having gone through this before, I knew exactly what I needed to do. Do I sand between coats? The water based poly will remain clear. When painting over polyurethane is important to provide excellent ventilation [set up a fan] and ALWAYS wear a respirator. 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. You might also put a coat of Zinsser Sealcoat on the wood before using the Polyureseal. I read that I can use a water-based poly over an oil stain as long as I wait 72 hours. Enamel traditionally refers to oil-based paint which dries very hard and will not rewet. There are excellent water-based polyurethanes to be used as clear wood finishes. If you don't do an overkill stripping the mineral oil off the finish is likely to peal on you. To successfully apply oil-based paint over latex, follow the steps below: Step 1: Sand the surface. Water-Based vs. Oil-Based Polyurethane Floor Finish Family Handyman 6/18/2020 US coronavirus: California reports more than 45,000 new coronavirus … It was fine, but I wasn’t impressed enough with it to use it again. But a non-polyurethane varnish would have better properties that way, and look better to … If time is an issue, substitute the oil-based enamel paint with a high-quality 100% acrylic paint. Preparation is key. Just like a polyurethane. Keep out of reach of children. Do not apply water-based polyurethane over the top of gloss latex and acrylic enamel. Dolphin Paints Industries - Offering High Gloss Enamel Oil Based Polyurethane Paint, Packaging Type: Can, Packaging Size: 500 Ml To 20 Liter at Rs 300/litre in Pune, Maharashtra. Water-based polyurethane is well-suited for low-sheen flat, eggshell or satin latex paint. Water-based polyurethane has its own significant advantages over oil-based polyurethane. It is convenient because it dries fast; it is favorable in terms of scent and fragrant; and it is, most importantly, environmentally-friendly. Our premium oil-based finish gives wood a rich, golden glow that deepens with warmth over time. Enamel traditionally refers to oil-based paint which dries very hard and will not rewet. The polyurethane resin adds scratch, heat, … Acrylic Enamel Acrylic enamels are ideal for do-it-yourselfers who desire the durability offered by oil-based enamels, but want to avoid the unpleasant fumes. The real difference between these two polyurethanes is that oil-based polyurethane has an amber tint to it whereas water-based polyurethane is clear. They are compatible. An oil based poly will yellow over time and make the white paint yellow. Water-based polyurethane is technically a misnomer since polyurethanes are an oil-based product. But, I wouldn't use a polyurethane varnish due to concerns about how well it will adhere. You can apply polyurethane over any type of paint as long as it s clean and has been properly prepared. There are water-based polyurethanes not suitable for application over lacquer or shellac. 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