TUFF-POXY SYSTEM “S-HD” is a chemical resistant epoxy topping which consists of 100% solids epoxy resin combined with a cycloaliphatic amine hardener and properly sized quartz aggregate to form a minimum 1/8 inch thick self-leveling “seeded” flooring system. TUFF-POXY SYSTEM “S-HD” cures completely at ambient temperature to form an acid and alkali resistant topping which is intended for use in institutional, industrial and commercial facilities. This system is suitable for heavy traffic and moderate forklift traffic.