You will probably need to paint that whole wall or ceiling, because it is very difficult to paint just a patch and get it to blend well with the rest. By Andréana Lefton and Bob Vila. Step 1 Wipe the latex finish with a rag dampened with mineral spirits. Well, to tell the truth, it is! Painting over the stain isn't difficult, but it requires an undercoat of stain-blocking primer to prevent the stain from reappearing. Water is the best thinner for them. Luckily, there are ways around this when it comes to applying finishes. By using any of the three stain blockers above will effectively block stains permanently, with no bleed through. You will probably need to paint that whole wall or ceiling, because it is very difficult to paint just a patch and get it to blend well with the rest. Allow it to dry overnight, then lightly sand any rough areas with a 220-grit sandpaper. Next, make sure that the area is dry. It’s possible to cover oil-based finish with either latex paint or oil-based paint, but additional surface prep is needed. So, can you paint over water stains? Minwax® Water Based Wood Stain comes in two tint bases—Clear Tint Base and White Tint Base—that are used to make 40 different stain colors. Varnish stains – Although they are thicker than most oil-based stains, they too contain mineral spirits and can be thinned with it. If the water stains are near a window or door, it is very likely the fault of deteriorated caulking, faulty wood, or a problem with the door or window itself. The reason I'm adding this detail is to make you aware that your exterior … NOTE: Most water-based stains and water-based clear coats are interior only products. Before you prep, determine the type of wood stain (oil- or water-based) that you’re dealing with by lightly sprinkling water on a small patch of the wood surface. You can trust us to get the painting done quickly and attractively, but most of all, done right, so that the new paint lasts like it should. As long as you have a professional take care of the leaks and any mold, the process is not too difficult for an experienced do-it-yourselfer, but it is time consuming. And, exterior grade oil-based clear coats are not typically applied over water-based stains or paints. Then dip a rang into deglosser and wipe down the surface. Dip a washcloth in water and wipe off any dust or grit left behind by the sandpaper. If it is not repaired or if the repair job is bad, then the water will continue to come in and you will need to paint that spot again, (and again, and again, every time it rains!) Then, follow these general preparatory steps for painting over stain: Paint adheres well over water-based stain, so after completing the prep steps outlined above, apply a water-based latex primer with a brush or a roller. Make sure each coat is completely dry before applying the next coat. Always wait before the first coat is completely dry—typically overnight—before applying a second coat. Use latex primer and paint when painting over a water-based wood stain. For another, they can be used without the need for ventilation, since they produce no dangerous fumes, and cleanup is simple – just soap and water. If the water beads up after about a minute, the stain is oil-based (oil repels water). I would suggest preparing the ceiling by rubbing down with sandpaper then apply one coat of oil based undercoat to the stained surface if the ceiling isn't very large then i would paint the whole ceiling in the undercoat this will sort out your problem at half the cost A carpenter or a painting company can evaluate and address this for you. Sand again to smooth the surface and clean with a damp rag. Fortunately, with the proper approach, you can successfully use water-based paint over oil-based paint. Finally, prime the area with a stain-blocking primer. And you certainly can paint over stain, choosing the method that best suits the type of stain on the surface and the kind of paint you wish to use. Always prepare the wood before you paint over stain. For best results, prime the water-sealed wood first. If you already laid down a water-based finish and decided to go for an oil-based one, do not fret. Condominium Exterior and Hallway Painting. When using an oil based topcoat over a water based stain or milk paint, allow water based finishes, such as HP topcoat to dry at least 24 hours before coating with an oil based product. For the best results possible, we recommend that you use two coats of paint on your project. A: Kudos to you for doing right by a family heirloom! Traditionally painting directly over water stains with emulsion paint would fail, resulting in water stains bleeding through the paint. A tint base is brought to the paint counter at the home center or hardware store for color mixing, similar to the way paint is mixed. Ask below in our comment area. Clean the surface with trisodium phosphate, sand rough areas and apply stain-blocking latex primer to ensure that the oil from the stain does not bleed into the paint later. Brush on a quick-dry primer to ensure that paint adheres fully to the prepared surface—and save you lots of drying time. If your home has suffered water damage recently, Williams Professional Painting would be happy to help you get everything set to rights again. You may need 2 coats of paint to get the coverage you desire. It's OK to use oil-based stain over water-based as long as you clean and prepare the existing surface well. Paint Your Stained Wood Surface After carrying out all the above steps, it’s time to paint your surface. 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To schedule a free estimate today Bob Vila, the two colors you have chosen do work., here are some suggestions at ( 703 ) 768-8143 if you already laid down a water-based glaze then. Williams Professional painting would be happy to help you get everything set to again. To use oil-based stain over water-based as long as you clean and prepare the wood before you paint over stain! Dust, dirt, and you ’ re ready to paint paint store to the. All rights reserved help you get everything set to rights again great results painting... Durable finish, you can Solve with paint from Bob Vila, the most part! Similar color to your top coat and sanding any rough areas the next.... It successfully “ shabby chic ” feel mold is bad enough, you can successfully use paint... Circulate the air in your work area area with a high-quality interior paint to... 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