Applied prior to painting, FAS™ Gesso Primer is a fast drying waterproof primer/sealer, preventing moisture loss through absorption which causes paints to dry too quickly. Ideal for canvas, board and most painting surfaces, can also be used to give texture or 'tooth' to the painting surface. Seals absorbent surfaces to an prevent uneven appearance and excessive fast drying, resulting from paint penetration. In an undiluted form Gesso may be textured, but dilute with a little water if only sealing is required. Now in black and white. USE FOR Gesso Primer is recommended for surface preparation and sealing. Use as a undercoat to intensify colours and the lasting durability of your work. Can be tinted to suit your back ground colour. e.g. Pink for sunset or light blue for cool scene. CHARACTERISTICS: Waterproof, flexible, permanent, opaque and fast drying, allowing the artist to work quickly. Both as a Sealer and Primer for most surfaces. Sands well and is used in gold leaf work. APPLICATION: Stir the bottle before use. Can be applied directly from the bottle/jar. CLEANING: Wash up equipment with soap and water. As a precaution suitable protective clothing should be worn. Gesso is permanent when dry.. SIZE: 375ml, 1 Litre and 4 Litre.