Protecting your building with proper waterproofing is just as critical as a vapor intrusion mitigation system. For years CETCO has been the leader in defending your structure from water ingress. Now our product line welcomes a new addition to the offering. VINTEGRA® Waterproofing Membranes are a membrane composite comprised of a 500 micron thick, 7 layer engineered film consisting of polyethylene and a EVOH barrier layer with integrated bentonite geotextile waterproofing tanking membrane.