Garrison Consulting Group (GCG) was founded by industry-veteran and professional engineer Jeff Garrison, PE, RRC, RWC, CCCA, CEI, CIT. Garrison has more than 20 years of experience in evaluating, testing, and designing enclosure systems for new and existing commercial buildings. We have extensive knowledge related to the design, construction, and rehabilitation of building enclosure systems (i.e., roofing, waterproofing, and exterior wall assemblies). Whether you are a developer, building owner, architect, or contractor, we can assist you with the design or condition assessment of your building enclosure systems to mitigate or alleviate the impact of the elements to the building and its occupants.