Environmental Division -- Terra-Petra possess more than 80 years of collective experience in the environmental and soil gas mitigation fields. Our staff includes a Construction Manager, Civil Engineer, Registered Environmental Assessor, and a Registered Geologist/Certified Engineering Geologist. This experience gives Terra-Petra the ability to find compromise solutions for any environmental concern that may arise. Waterproofing Division - The Terra-Petra Waterproofing Division strives to provide a holistic approach to Building Envelope Consulting with a focus on “making our clients’ lives easier”. We achieve this goal by responding to our clients’ needs in a timely manner and serving as their single point of contact for any services they need. This approach has allowed the Terra-Petra Waterproofing Division a very steady and organic growth from the inception. We serve clients nationwide.