Applying multiple layers of different Gamvar varnishes (gloss, satin, matte) may result in a patchy appearance as the second layer will partially reconstitute the first layer. Gamvar is intended to be applied in a single thin application. If you want a different surface finish, it is best to remove the varnish and reapply with your preferred formula. We recommend testing varnishes on small areas of your painting or a sample piece first and allow the test areas to dry 18-24 hours before evaluating the results. Please visit Gamblincolors.com to see our varnish F.A.Q page and additional resources!
