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Very soon I begin experimenting with a new idea for what I hope to be the ideal substrate for oil painting and therefore a keeper in my studio. I’m keeping the old world rabbit skin glue (because acrylic doesn’t allow for the same subtleties); linen canvas; oil primer, and ditching everything that is exposed to the elements from the rear that is flexible and wooden. Can you see anything wrong with this picture before I get started? Do you have any questions?
Several 22 x 28 aluminum
AlumaComp sheets will be prepared and a canvas will be attached to each one.
I will clean the brushed surface with alcohol.
I will soak the canvas in rabbit skin glue, paint a layer of RSG onto the brushed side of the aluminum, wring canvas dry, apply wet canvas to wet aluminum surface. But first, I will cook RSG only once in a double boiler and not bring it to a boil. This sizing recipe keeps the oil in the primer and oil paints from rotting the canvas.
I will smooth canvas to aluminum with a brayer and
fingers, clean up excess, and allow to dry under compression.
Finally, I will add
an oil primer and let that dry--about a week-and-a-half per application. I will add oil paint to tone the last layer of primer with a 'Carder Brown.'
It’s ready to paint with Geneva paints now.
In 6 months, I will apply a glossy varnish to the finished painting.
P.S. I am also going to compare my custom made aluminum substrate with two aluminum products sold with linen already attached.