TREMproof® PUMA is a cold-applied, waterproofing system that utilizes polyurethane-methacrylate (PUMA) technology. PUMA waterproofing systems offer superior elongation over traditional MMA/PMMA technology systems. TREMproof PUMA is composed of a primer (Tremco PUMA Primer) and a base coat (Tremco PUMA BC or Tremco PUMA BC LM). All system components are cured using Tremco PUMA Initiator+