Most of the Urethane Poured in Place Gym Floors installed in the 1960's and 1970's contained traces of mercury. As time goes by it becomes more and more costly to abate this type of Flooring, which is one of the circumstances related to replacing these Floors. Schools are shut down for minimal time and with our cost effective solutions, it's no wonder contractors look to go with what works and that's Surf Prep Inc.