SYSTEM WATERPROOFS GREEN ROOFS VERDISEAL Green Roof Waterproofing System from Dow Hyperlast comprises a primer, elastomeric membrane and robust wear coat to combine performance with installation and usage flexibility. It adheres evenly to surfaces and protects against water leakage, mineral residue leaching, garden chemicals and oil spillages, as well as resists root penetration. Any damage can be repaired without removing the entire membrane. (770) 428-2684 /