Eai, Inc

Since 1991, EAI has been the environmental industry's most trusted partner, protecting millions of square feet across demanding environments from New York to Washington state. We don't just install vapor barriers—we build confidence with every project we touch: CETCO Liquid Boot & GeoVent systems Sub-slab depressurization solutions Gas monitoring systems installation Design/build environmental services Waterproofing and air barriers Specialty contracting solutions : As a fully bondable, union contractor, we bring the financial backing and skilled workforce your project demands. Our turnkey approach means we handle every aspect of your environmental challenge—from initial assessment through project completion—delivering on time and within budget: We install all leading methane mitigation and vapor barrier systems—not just one. Our clients get the right solution for their site, because no single system fits all conditions. What matters isn't the logo on the roll—it's our ability to deliver gas-tight performance with flawless execution and unmatched field expertise. From pre-construction consulting to final inspection, we collaborate with developers, general contractors, and environmental consultants to ensure compliance, longevity, and peace of mind. Ready to discuss your project? Let's connect.