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cwoodliff
Posts:1
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| 09/16/2007 7:48 PM |
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I just built my first canvas that is about 2ft x 4 ft. I only put one layer of gesso because I wasn't sure how much to put on there until it was too late. I have already started painting and have my underpainting and about one more layer of paint ontop of that. Then I realized the paint was seeping through to the back and figured I had not put enough gesso on the canvas. I am using oil paints with turpentine and have not used mixed any oil medium with my paints yet. Is there any way to fix this without starting all over?? Someone suggested to me to put 2 layers of gesso on the back of the canvas. Will this prevent the oil from soaking into the canvas so much? It was taking a ton of paint to cover the whole canvas since it was being absorbed by the canvas. Please help!
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klippie
Posts:1880
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| 09/18/2007 1:51 PM |
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Gosh, I would think the Gesso on the back might help or maybe you should just stretch the canvas over masonite or hardboard after gessoiing it
I don't really have experienced that before.....
Maybe someone else has experienced that....
Retha |
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If at first you dont succeed.........don't ever give up! |
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Materese
Posts:123
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| 09/22/2007 8:36 PM |
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Unfortunately, the oil will eat and destroy the canvass over time, just can't get around it. Even if you mount the canvass on board, or add more to the back, the canvass will deteriourate over the next few years. The job of gesso is to protect the material (canvass or linen) from the oil. If this is a commissioned painting, definitly start over!
Next time try this: after stretching the canvass, apply a light coat of thined coat of gesso on (dilute the gesso with a bit of water, just enough to "loosen" the texture, but not so much to make it watery). Allow this to dry completely (about an hour). Then apply at least 3 more coats of gesso. Allow each coat to dry completely (you can use a hairdryer to speed the proces) and sand lightlty with sandpaper after each coat of gesso is completely dry. with this treatment, the canvass is well protected and you won't have the absorbtion problem.
For paintings that large, be sure to use a heavier canvass (12 oz weight). otherwise the painting will quickly sag and buckle on the stretchers. You may also want to use brace supports since this is a larger peice. |
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Materese
http://www.ghostwoodstudio.com
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connie
Posts:445
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| 10/03/2007 7:30 PM |
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Materese
Do you recommend this same procedure
with primed canvasses. |
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