Just make sure that you paint even strokes, and don’t rest the brush for too long on a specific area, as this will show through the varnish.Īlso, don’t keep your hand on the painting to keep it steady while applying it, as your fingerprints can damage the varnish. I personally use this one as well because the foam can soak up the varnish and help apply it evenly on your surface. There aren’t any required tools, but a paintbrush that is often cited to be good for applying varnish is a foam poly brush. Do I Need Special Tools To Apply The Varnish? The process of waterproofing a painting or canvas is very similar to the process I’ve laid out above - by applying a varnish like Krylon, you can protect your painting against water damage.Īpply several coats of varnish or polyurethane to achieve the desired look and feel while protecting your project. You’ll also want to prime the canvas or material you’re painting over if it doesn’t come “pre-primed.”Ī primer like Gesso Surface Preparation is particularly popular among painters. Varnish will help protect and enhance the look of your project. There’s another benefit to varnish: Many varnishes are UV resistant and prevent your paint from melting in the sun. When the varnish dries, the solvent evaporates and creates a transparent film that’s waterproof. Varnishes by nature are transparent, hard, and protective, usually having a glossy finish unless a matting or flatting agent is mixed in. Varnish is a combination of a drying oil, resin, and a solvent. If you are looking for an outdoor acrylic paint, I recommend Magicfly’s 30 color set. However, it’s no replacement for properly treating your paint project. This is the key difference between outdoor acrylic paint and other options - it’s more resilient to both weather and UV rays. However, outdoor acrylic paints have excellent UV protection, meaning the sun won’t destroy your art over time. Using a varnish or finish is one of the only ways to waterproof your project. Outdoor acrylic paints are not waterproof - instead they’ll use terms “weather resistant” because they can’t promise a waterproof paint. Liberty Art makes an awesome brush-on varnish that’s also UV resistant. I like this because it comes in a spray can, and it’s easier to apply than a regular painted on varnish. However, for some wood projects, I do like to use the brush-on varnish. I recommend this Krylon varnish from Amazon for your outdoor acrylic painted projects. This can be done with a varnish, which is a special type of acrylic gloss. While acrylics are a tough paint, it’s still good to waterproof your painting. You’ll need to apply a sealer, such as a varnish, to waterproof acrylic paint.Įven though acrylic paints will dry quickly and are known for being a “strong” paint that will practically stick to anything, if you don’t waterproof it before it’s dry, your hard work could instantly be destroyed from a little rain or small spill.

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