What is the proper ratio? Monica P. April 09, 2020 19:34 Updated The Ratio is 1:1 or 2:1 ratio Countertop is 1:1 Casting and Flooring is 2:1 Related articles Can I do more than one color coat? What do I do if there is high humidity moisture in air? Can I use conversion varnish on top? What type of gas for torch should I use? What is the curing temperature for countertops cold temperature? Comments 0 comments Article is closed for comments.