I started late in the hobby after discovering Sheps book on figure painting, it was the golden nugget that I had found and still continue to read.
Condolences to all his family and friends.
He will be sadly missed and an inspiration for modeller's, his book on figures is my bible. Condolences to his family and friends a great loss to the hobby.
Does this work http://www.dickblick.com/products/color-mixing-recipes-for-portraits/?AID=11424558&PID=6150884&SID=iayfs2at3i00jk41001ra&Ref=CJ&source=affiliate&CID=2470763&Publisher=VigLink&Blick_affiliate=2470763
Used to do Printed Concrete many years ago and thats what we used to seal them, complained about the problems with it (which I had heard about being Carcinagenic) and got the sack:(