Tips on Oil Painting - Oil Painting Supports

A ground or support for oil painting is any kind of surface you can paint on with oils. The choice of ground is quite important because it determines in part how your painting will be perceived by the viewer.

Your oil painting support must satisfy a minimum number of conditions. It must accept the paint well (i.e., the paint must stick on the support surface in one stroke) without absorbing too much of the pigment.

The least expensive oil painting ground is treated paper. It is very useful for practicing your skills and even for doing certain types of commercial work.

You can also buy canvas pads. These pads usually contain 10 sheets of medium tooth 5-oz cotton canvas paper that has been triple-primed with acrylic gesso.

The tooth of paper or canvas paper is the degree of roughness or smoothness of the paper or canvas paper. You can tape the oil paper or canvas pad paper to a drawing board. Make sure it is secure and does not shift when applying brushstrokes.

Next in line are the popular canvas boards or panels which are sheets of cardboard covered with inexpensive white painted cloth. These panels are very popular because they are inexpensive (particularly when bought in bulk), easy to store, and easy to carry outdoors. They are however not permanent, i.e., they will deteriorate over time.

Good results can also be obtained from un-tempered Masonite or 3-ply chipboard prepared with three coats of gesso on the front and one coat on the back to prevent warping.

You can also use so-called museum board which is on the order of good-quality mat board. This board is quite absorbent but is inexpensive to practice on.

The ultimate ground for oil painting is canvas stretched over a wooden frame. It has wonderful elasticity and resilience, and history has shown that it has very good permanence. Canvas is of course more expensive but when you are ready this will be your ground of choice and you probably will never want to go back to anything else.

You can buy commercially pre-stretched canvas. In fact, there are plenty of brands, sizes, weights, and qualities to choose from. Only experience will teach you which type of canvas is best suited to your style and subject matter.

Canvas cloth is made of either cotton or linen. The finest canvas and most expensive is made of linen, which stretches better and has, all things being equal, a better tooth. Cotton can be a bit difficult to size and prime.

Look for cloth with an even weave. The canvas texture can be tightly woven and smooth to fairly coarse with an open weave. That means the tooth of the canvas can be fine or coarse and anything in-between. The proper choice, again, is a matter of personal preference and also depends on the subject of your painting.

If you paint a lot, even commercially pre-stretched canvas can become expensive. If so, you can buy rolls of primed or unprimed (raw) canvas. Then with stretcher bars you can create a support of any size you need. If you bought unprimed (raw) canvas which is the most inexpensive, you still have to size and prime the canvas with an oil-based primer. This must be done to prevent the possible occurrence of canvas cloth rotting.

Sizing means treating the canvas cloth with a glue or gelatin solution. After the canvas fabric has dried it must be primed. This means it must be coated with a mixture of white lead in oil and turpentine, using a wide brush. This results in a brilliant white surface ready to be painted on.

To save money you may be tempted to work on small canvases. This is not recommended. Unless you are an experienced artist, working on a small ground can easily result in tight, overly controlled paintings. So use supports of at least 16" x 20".

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