Recently I bought good quality damar in Münster. With turpentine, I have made a syrupy varnish. This I used on this cloudless sunny day. After I cleaned the painting I have put the canvas into the sun behind the glass to warm it up a little bit. Heating the cloth has its advantages. Any moisture which might be present in the fabric, is reduced by this. As a result, the adhesion of the varnish on the oil layer is a much better and more durable.
After about an hour lying on the floor I could put the painting upright. In upright position I turned it after an hour upside down. Just to be save. A remarkable thing is that the varnish didn't smelled turpentin. Also with the doors closed there wasn't a smell of turpentine.
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