What is the mix ratio by weight for TotalBoat Penetrating Epoxy Cold Cure? Eric Boudreau April 01, 2022 14:54 Updated The mix ratio for TotalBoat Penetrating Epoxy Cold Cure is 2:1 by volume, or 100:46 (resin:hardener) by weight. Related articles Can TotalBoat Penetrating Epoxy be reapplied to itself while it is still tacky? How long should TotalBoat TotalFair cure prior to priming or painting? What is the difference between TotalBoat High Performance 2:1 and Traditional 5:1 Epoxy systems? What epoxy do I use to repair rotted wood? Can polyester resin be applied over a 2-part epoxy-based primer?