Manufacturer of High Performance PVC T-Lock Membranes for Cut and Cover Tunnels, Immersed Tube Tunnels, Deep Basements and Foundations. Manufacturer of Re-injectable Hose systems for construction joints, and Re-Injectable Crack Inducer Elements for contraction joints in below ground construction, PVC Waterstops for construction and expansion joints, Dilation Tapes for expansion joints, Hydrophilic Polyurethane Sealant and Hydrophilic Rubber Strip Waterstops