To build a structurally sound painting, it is best to overlie more elastic and finer particles over a coarser and a less flexible surface. Varnish – A layer of resin that protects the painting from dirt and dust and evens out the painting’s final appearance.Imprematur – Under painting in washes of Gamsol and Liquin.Ground – Acrylic Polymer Gesso or oil based.Sizing – PVA sizing or rabbit skin glue – Sizing is not needed if you are applying acrylic Gesso.Support – ie, canvas, wood, aluminum, etc.My paintings are broken into seven layers similar to the following: What is the Structure of a Painting?Ī painting is built in layers. You can find both White and Clear Gesso Ground on Amazon. *Acrylic gesso can be use as a ground for both acrylic and oil paintings, but oil ground can only be used under oil paint Oil Ground – Made from alkyd resin, titanium dioxide, and calcium carbonate *.Acrylic Gesso – Acrylic polymer mixed with Calcium carbonate (chalk) and a pigment (usually Titanium white)*.In that way, a ground can significantly alter how colors are perceived. A ground acts as a barrier that helps protect the paint film from impurities in the canvas, and reflects light that passes through the paint film back to the viewer. It adds rigidity to the support and a mechanical bond to help the subsequent layers of paint adhere to the surface. What is a ground?Ī ground is the foundation of a painting. Painting on unprimed canvas has archival and structural drawbacks that you should be aware of. The ground is a protective and a structural layer that adds stability to the paint film, no matter if it’s oil or acrylic. If you value the painting’s archival quality and if its longevity is your primary concern, then it is best to add a ground to your canvas.
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