Dear Mitra community,
i have an oil painting dries 3 years old, so i want to do a major retouch on top of it, what will be the best practice to ensure the new added layer bonds well with existing layer.
the old painting is oil rich as it contrains multiple glazing layers, but oil doesnt bleed up though. but what is the way to ensure the new layer adheres well?
can anyone help to advice from conservation point of view, what is the best practice to retouch a portion of it on top?
does the new paint layer need to be more fatter than existing layer to follow fat over lean rule or it can be applied straight of tube since exisiting layer is well dried?
thanks.
When painting over on older oil painting it is still advisable to follow the general advice of ‘fat over lean’.
If there are areas in your painting that are very smooth or glossy, it can help to sand then with fine sandpaper, to help provide some tooth for subsequent layers to grab onto. If the painting has overall matte to semi-matte appearance, sanding shouldn’t be necessary.
If you are painting into a specific area, then oiling out with just a small amount of Linseed, or Stand Oil with some odorless mineral spirits, can be helpful in terms of paint handling and color matching. Just make sure to thoroughly wipe off any excess oil before painting, leaving just the thinnest and barest of oil layers to work into.
Warm regards,
Mirjam Auf der Mauer, she/her Golden Artist Colors
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