I applied a coat of Minwax fast drying polyurethane on a bookshelf for my daughter's bedroom. "Completely" should be taken to mean a couple of months. Fortunately, you can paint over polyurethane as long as you follow these tips … The main thing is that you need to make sure you properly prepare the wood for the project. As long as you used an interior use product, once it's cured it's done off-gassing. 9. It is a little pricey, but it does get pretty good "mileage". Apply a second and even a third coat until you have achieved the effect you want. Thanks. After allowing the foam to harden and cure sufficiently, you can paint it any color you want to ensure that it blends with surrounding surfaces. Just read your comments about painting over pine, I'm wondering if one can do a whitewash treatment without sanding pine that has 25 year old polyurethane ....have a very large room that has yellowed pine, want to lighten it up. However my wood paneling is in the basement. 2. Curing typically takes 5 to 7 days, depending on temperature and humidity. Relax. Polyurethane can be used over enamel paint, which often provides a harder finish than latex-based paints. It doesn't take much effort (with an orbital sander and good dust collection) to remove that shiny coating. Since BIN is twice the price of ordinary latex primer. What Is 220 Grit Sandpaper Normally Used For? I could rub it off with my thumb. If you like the knotty pine (and many people do, see http://knottyisnice.com/), and you have the time and inclination to put in some elbow grease, you could sand down the whole thing and put clear poly on them and embrace the knottiness. Right now they have contracted because of winter and you can see painted and unpainted spaces in the grooves. Its looking a little dull and I want to "re-poly" it but not re-stain it. Which is very small and all the walls are pine! The amber color is still coming through.I'm wondering if it's old sap that which from the heat of the sun coming through the skylights. It sticks to ANYTHING - including vinyl and will adhere to varnished or polyed or whatever surfaces. I will be putting down new raised flooring to get rid of the old carpet but I want to update the walls first. In my contracting days, now 15 years ago, I primarily sprayed Benjamin Moore's oil based "Satin Impervo." Wash the walls with any decent wall-washing de-glosser that you can get locally. Could I put polyurethane over old polyurethane? The laundry room is an awkward space in general, and will likely require a lot of hand painting no matter what. The wax should be the last thing you apply to your cabinets or piece of furniture. I think I followed paint guys recommendations.I lightly sanded with a foam sanding block, then cleaned with vinegar water. If you don’t, all the paint you apply will end up peeling off your project. ... She wants the paint portion to be glossy. What you should NOT do is apply the poly AFTER you applied wax, especially if you are using an water-based poly. Answered. For best results enamel paint should be allowed to dry for three to seven days before applying the finish. Otherwise you will have your surface starting to yellow a little sooner. Start by cleaning the surface and filling in any cracks or imperfections. Step 7 – Polyurethane or Wax Over Chalk Paint (or skip to OPTIONAL color washing) You may want to use a wax and if so, please follow the manufacturer’s instructions. Mostly for telling me to RELAX ! Thanks David Jensen. I would prime everything with BIN and you would only have to sand lightly with fine or medium grit sanding blocks....just enough to dull the sheen down. Prime the walls with ZInnser 1-2-3 or Zinnser BIN primer. Allow to dry overnight. Does anyone have experience using this product on knotty pine? It would not be " a little over the top", it would be WAY over the top! You can apply polyurethane over any paint, as long as the surface is clean and prepared well to receive the polyurethane coat. I actually don't like TSP for general cleaning. Stir the polyurethane. , I to have a 1960 home and the kitchen and dinning room has tongue and groove all over. I used to carry a wrapped up BIN brush in my truck at all times. Ok. Any brand in particular that you can recommend for the de-glosser? Cheers. BIN is actually thinner than most paints and rolls out well, however, unlike most paints, being alcohol based, it sets VERY fast. I am overwhelmed by thought of sanding the whole interior since the whole 2500 sq ft is COVERED with it--or do I just suck it up? Not using #00 Steel wool on heavily waxed surfaces. THE KNOTS. Always use gloves, eye protection and a dust mask when working with TSP, especially in its powdered form. Yes, you can paint latex paint over polyurethane stain after applying an oil-based primer. Scrub the walls down - a nice mix of dish soap and vinegar will cut any grease. 7. If time is an issue, substitute the oil-based enamel paint with a high-quality 100% acrylic paint. Unfortunately, when many do-it-yourselfers apply polyurethane over a water-based latex or acrylic paint, they end up with rampant flaking. Apply a second coat of the primer. Hopefully the gun was put away clean the last time it was used. On very dark paneling, I would go around twice with the BIN, completely blanking out the dark wood. Let the wood air-dry before proceeding. Would darker color paint help with that problem. Oil-based polyurethane levels out to a smoother finish, although it takes several hours longer to dry. And difficult to use as well. Yes, you can use latex paint over poly but you have a few steps to do before you can apply it. i have knotty pine in my kitchen and dinning room. I understand that some people may like the knotty pine look and I respect that but, for us, it really has to go. It protects the paint from peeling and is easy to clean. When removed, the pine underneath is untreated or “virgin” pine. , I to have a 1960 home and the kitchen and dinning room has tongue and groove all over. Thanks @paint guy and @DavidJensen Do I clean the paint gun before with denatured alcohol as well? The problem is the protective coating over the paint. Need to know what I have to do to paint over the polyurethane on some of the walls. 8. It does not need a clear coat over it. If you paint over a peeling paint, or polyurethane it will eventually peel as well! Answered. We decided to paint the ceiling, including up in the recessed sky light areas. You can apply poly over the glaze to set seal it. Yes, you can use latex paint over poly but you have a few steps to do before you can apply it. Apply a thin coat of primer onto the wood. Wipe down to get rid of the soap. 4 Posts . Thanks Jenna. Sika has found that oil, water, and rubber based paints work best, however, we always recommend testing a small, inconspicuous area for compatibility. 1.) My answer and experience is different. When painting over finished paneling, prep is a very important first step. Do not pour your paint and solvent down the drain or leave it in the trash bin. You can use almost any type of paint on polyurethane. I have a butcher block counter top on the kitchen island. Can I paint over a polyurethane finish? © Copyright 2020 Hearst Communications, Inc. Beware. You can apply polyurethane over any type of paint, as long as it's clean and has been properly prepared. Always apply finish with the grain direction. Use denatured alcohol to clean your sprayer if you are using BIN. View Profile NO. When you make purchases from items I use and recommend, I may make a small commission at no additional cost to you. I can't imagine doing it with hand sanding. We want to paint over it with a light color so we can brighten up the place since we don't really get that much light. I would use a quality 1/4 inch roller and "back brush" it with a good natural bristle brush. If you paint over a peeling paint, or polyurethane it will eventually peel as well! 2 - Locate and sand any really rough spots, spackle and sand any holes. Yes, you can and even over polyurethane too! Also what is the best product to use to whitewash? they do not see rain or sun and are not exposed to extreme, rapid temperature changes. One way to hide the cracks in tongue and grove walls before painting is to caulk between the boards with a paintable caulk. We are desperate to paint over the walls. mineral spirit doesn't touch shellac, and alcohol does not touch oil paint. Let me answer this way. Now the surface can be treated like drywall so you can proceed with applying your preferred top coat. Were I to paint it today, I would use one of the water based enamels: Benjamin Moore's "Advance" is great product. It is important not to use a latex base because it would allow moisture to get underneath the paint, causing the paneling to swell and mildew to grow. The entire existing stain does not need to be sanded away, but the glossiness of the surface must be removed. Please let us know how it goes, we always love to see before and after photos. Thanks. ALL OF IT ! It requires some patient sanding and oil-based paint products to adhere to the plastic and polyurethane finishes on wood and commercial wood furniture. And, what type of paint should be applied over the BINs? Apply a second and even a third coat until you have achieved the effect you want. However, scuff sanding is never a bad idea. Let the first coat dry to touch before apply subsequent coats of paint. 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