Hi Eddie, I agree, Milliput is too good a product to use on large areas. I think I'll get some myself and give it a test. How does the Polyfilla react to...
I personally use any of the structural gels intended for making oil like marks on canvas or as its more known, Impasto. My favorites have to be Golden's High...
I have found that, now stuff has settled down, there is a slight differenc in finish, which as I discovered can be, quite literally "Glossed over"!! No effects...