BLOCK C902 TERRA XPRESS is a long lasting sealing of leaks and water intrusion in concrete, masonry and natural stone structures. Upon contact with the product, the flow of water is stopped within seconds. Can also be used as a second step in combination with BLOCK C901 TERRA SPECIAL and BLOCK C903 TERRA LIQUID.
Applications: sealing of leaks in basements, underground car parks, tunners, dams, sewers, sewage treatment plants, and many other places where sealing from the outside is not possible.