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How do I clean my brush after varnishing? The ideal varnish brush is the Gamvar Varnish Brush. Switching to a soft, flat synthetic brush for feathering-out Satin and Matte Gamvar may help to create a uniform finish on paintings that have a smooth surface.If there is excess varnish, remove it by feathering and wiping the brush on paper towels. After the scrubbing motion, feathering-out the surface of the varnish.Try to cover as much of the painting with as little varnish as possible. Apply a thin coat of varnish by using a vigorous scrubbing action with the brush.(Matting agents are expected to settle to the bottom of the bottle when not in use.) Shake the bottle well before use to ensure that matting agents are well dispersed.Do Gamvar Satin and Gamvar Matte require special application techniques?Īpplication of Gamvar Satin and Gamvar Matte requires mostly the same technique as shown in the Gamblin Picture Varnishes video demonstration with the following additional recommendations: Applying satin or matte varnish to a painting Use a stack of paper towels to remove varnish from the brush throughout this process. We recommend using a dry brush to wick out excess varnish. When applying Gamvar to a heavily textured, impasto style painting, pay extra attention to areas where the varnish “pools”. (Varnish applied too thickly may retain a slightly tacky feel even after it has completely dried.) The thicker the coating, the more solvent is trapped and the longer it stays tacky. Thin coats easily throw off solvent and typically dry tack-free within 24 hours. Whenever applying the varnish, brush on Gamvar very thinly. Gamvar dries purely by solvent evaporation. Multiple coats of either Satin or Matte can dry to a patchy finish or tacky feel, as the 2nd application will reconstitute the matting agents in the first coat. When using Gamvar Satin or Gamvar Matte, it is best to apply a single thin layer and not to apply multiple applications. If you prefer a higher gloss, a second equally thin coat of Gamvar Gloss may be applied after the first coat is tack-free. The best way to apply varnish to an oil or acrylic painting is shown here: Gamblin Picture Varnishes.Ī single thin coat of Gamvar provides excellent protection to a painting. To check if it’s dry, gently press your nail into the thickest part of your painting. For some oil paintings, that might take two weeks, for others, 2 months. Gamvar may be brush applied when the painting is dry to the touch and firm in its thickest areas. After all, varnishing is the easiest thing you can do to make your painting look better! This is the information we couldn’t fit on the label. Tips and techniques to make varnishing a breeze.