Liquitex offers the broadest range of acrylic mediums to inspire creativity at every stage of the painting process. Surface Prep Mediums are used to seal prime and add tooth (for color adhesion) to all surfaces such as canvas wood paper and metal. This same preparation is used for both acrylic and oil paint. Our professional gessoes usually take just one coat and adding Liquitex Soft Body color to any gesso creates customized tints and primers. Liquitex Super Heavy Gesso Surface Prep Medium is an innovative impasto acrylic gesso used to prepare painting surfaces for acrylic and oil paint. Creates thick sculptural applications. Excellent ground for acrylic and oil paint.Mix with acrylic color to have a tinted ground. Excellent base coat primer for many applications including murals; one coat is usually all that is required. Can be applied to any material or surface that will accept traditional acrylic media such as canvas paper wood etc.Liquitex Surface Prep Mediums are lightweight non-toxic and dry to a water-resistant non-yellowing surface. APPLICATION: For canvas paper wood or any clean porous non-oily surface. Tint color with Liquitex Soft or Heavy Body Artist Colors. Use with knife or brush.