Procor is a two component, synthetic rubber, cold vulcanized and fluid applied waterproofing membrane. It cures to form a resilient, monolithic, fully bonded elastomeric sheet. Procor will protect below ground structures against water and water vapor ingress. The Volatile Organic Compound (VOC) content of Procor waterproofing membranes is less than 75 g/L. Architectural and Industrial Maintenance Regulations limit the VOC content in products classified as Architectural Coatings.