Every time the poly seems to pull off some of the paint on the edges and corners. SATIN SHEEN Give your wood projects a sleek finish with a satin clear varnish. A cheap brush (like a foam brush) is likely to cause bubbles. Allow sufficient drying time between coats and sanding it after two hours is recommended. However, it should be cleaned off right away as it isnt a pleasant sensation. Yes, Minwax recommends you do. Polycrylic is a water-based finish and dries to a hard, durable finish that is resistant to smudges, scratches, and water. If the polycrylic has dried, wait 2 hours and then lightly sand with 220-grit sandpaper to take the tops off the bubbles and smooth the finish. Regular readers will know that I have over 40 years of making every mistake possible in woodworking. It is, however, slower to dry than water-based polyurethane so it is sure to factor this in, especially if you are working on a large project that may need a few coats. Polycrylic and polyurethane: are they the same? You could go with polyurethane, which can be oil-based, whereas Polycrylic is only water-based. It provides protection against dirt and dust, and it enhances the color and beauty of wood, but it will not waterproof your project. Polycrylic has a slight odor, but it doesnt have strong, stinky fumes like oil-based polyurethane. How to Apply Polycrylic (No Streaks or Brush Strokes) | Saws on Skates In order for polyurethane to cure, the oxygen in the air needs to interact with the chemicals in the coating. You do not want any dust, dirt, or other debris getting stuck under it. Can be difficult to apply on vertical surfaces because of its runny consistency. This is my pink beauty with a stenciled chandelier design. Polycrylic is often used as a finish for things like doors, cabinets, furniture, and other pieces of wood. If you are working with unsealed wood, ensure you use enough to seal any open joints and edges. Check the cleanness of the sprayer and the polycrylic brand's instructions whether it needs 10% thinning to the liquid. Apply Polycrylic Clear Sealer Using A Paint Sprayer. Then, shake the can well and hold it 8-10 inches away from the surface. If the brush strokes have a texture, I would sand them down to remove the texture, then apply a fresh coat of paint. Polyurethane is more durable than polycrylic. Yes, Polycrylic can be applied over vinyl decals. If you're painting over a finish, it is important to allow enough drying time between coats. If you can, set your thermostat for at least 70 degrees Fahrenheit. Lets quickly go over exactly how you need to prepare a surface so you can apply Polycrylic. Be aware that the drying time will extend if the ambient temperature is colder than 77oF or damper than 50% relative humidity. It DOES yellow over time. A Complete Guide For Spraying Polycrylic I use Miniwax Polycrylic to seal one of my wood signs. When you want to apply a protective finish to a project, its important to know which one is best. Store-bought pre-stain conditioners are available, but I like to use natural, DIY versions instead.