Terra-Petra specializes in environmental soil and soil gas characterization and remediation; and in the design and inspection of soil gas mitigation systems for buildings of all types—including commercial, multiple-family, single-family, industrial, institutional and retail. Our services include: Methane, Brownfield, Vapor Intrusion, Landfill, Oil Field, Site Closure, Geology/Hydrogeology and Radon. We also offer full service Waterproofing consulting and services through through our sister-company, Building Waterproofing Experts. We make it our business to understand any specific project “challenges” from the beginning to ensure that we engineer “sustainable systems” for our clients. We understand construction processes which in turn allows us to design the most cost-effective systems for any building and budget. We are now serving clients nationwide.