In case there are any visible defects in the board/wood that can not be avoided. If you’ve done the previous coats accordingly, then after the last coat, you shouldn’t sand the last coat as it might abolish the smoothness. It removes the debris from the surface and makes your project smoother.īut, what can you do after the last coat? The answer is NOTHING. That’s why sanding after each coat is important. Sanding between coats of polyurethane is important because any uneven surface, debris, or dust will create roughness in the surface, which is distressing. How can you properly do it? It is described above. It’s not unusual to think if it is necessary to sand the final coat of polyurethane? Usually, people add three coats of polyurethane to their project.Īfter each coat of polyurethane, they sand the surface of the board/wood. Is It Necessary To Sand The Final Coat Of Polyurethane? Now, repeat the application drying and sanding process the second time.įinally, apply a third coat and let dry to help protect the finish from fading moisture and scratches. After 24 hours of the first coat, sand the surface with a 180 grit sanding block.Īffined the 220 grit sanding block to remove any bubble drips or uneven spots. A wipe away any visible drips with the lint-free towel. Now, with the bristle paintbrush, paint the wood with polyurethane in the direction of the grain. Because the dust is still in the board, they will carry through to the end and make the board’s surface or wood imperfect. Clean The BoardĪfter the second step, clean it with a vacuum cleaner. If you skip this part, the finish you are expecting from the project might not be achieved in the end. If there is, then make sure to sand the board properly remove them. here is a list of tools you need-īefore you apply polyurethane to the board, check out if there are any uneven surfaces, previous paint, or any kinds of stain that exists or not. The first thing you need to do before sand between coats of polyurethane is gather your required tools and materials. To get the ultimate result by sanding between the coats of polyurethane, you need to follow these steps accordingly. It clears away the dust from the applied polyurethane that dried out with the coats of polyurethane.It helps you to remove the imperfections from the woods and makes it smoother.Because sanding in between the coats of polyurethane accomplish two thing. To get the best possible result from polyurethane, you need to sand in between the coats of polyurethane. Also, adding a layer of water-based polyurethane to the wood goes on without creating any reddish color. In terms of popularity, water-based polyurethane is more popular than oil-based polyurethane.įor various reasons, water-based polyurethane, such as for its less noxiousness and smell. It’s available in both water and oil-based option. Polyurethane is a kind of plastic that comes in the form of liquid. #Rejex wait between coats how to#How To Sand Between Coats Of Polyurethane? Sanding makes the wood smooth and clears away its roughness. To make your wood active like this, you have to coat five layers of polyurethane max.Īpplying coats of polyurethane is time-consuming as it takes 24-48 hours to dry and 30 days to cure fully!īut before you apply coats of polyurethane in the woods, sanding is the first thing that needs to be done properly. So, why sand between coats of polyurethane?Ĭoats of polyurethane add a layer to the wood that resists scratch, heat, and water from getting inside and gangrening the wood. To get rid of such distress, sanding between the coats of polyurethane will help to make your project smooth and perfect. The roughness of your project can be distressing if the finish is not good.
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