A protective covering for the protection of surface seals against mechanical damage in building constructions and other civil engineering constructions which comprises a composite of an elastic, waterproof thermoplastic synthetic resin film sheet and/or synthetic resin layer and a lattice-like fabric...http://www.google.es/patents/US4295911?utm_source=gb-gplus-sharePatente US4295911 - Protective layer for surface seals in building construction, underground construction, and civil engineering construction
Protective layer for surface seals in building construction, underground ...
