Mediums + Gesso

Rublev Colours Sun-Thickened Linseed Oil is made by exposing raw, cold-pressed linseed oil to sunlight in shallow tanks covered with clear glass and exposed to the atmosphere for a period of one month. Exposure to sunlight lighte…

Canada Balsam is the pale yellow oleoresin with a faint greenish cast of the balsam fir tree. It is dries to a clear transparent film. It is used as a plasticizing resin for varnishes and paints. Canada balsam is amorphous when dr…