In my experience white pastel becomes transparent (almost invisible) with fixatives containing alcohol or solvent.
My best experience in securely fixing pastel chalks is 99% fat free skim… ((more))
If you live in a city, the large hardware stores supply sign panels and architectural cladding in aluminium composite.
Similarly, sign shops and the larger photo shops carry a bulk supply of … ((more))
Yes. Glazing is easy, flexible and reversible.
I have no access to Geneva paint. The W&N colors in the restricted palette are fine for glazing.
I guess you will be fine with aluminium and rustoleum in cold temperatures.
I posted a paper on lab study showing cracking patterns on traditional canvas paintings subjected to a range of col… ((more))