International Association of Geosynthetics Installers

IAGI strives to provide a forum for geosynthetics installers to advance installation and construction techniques and to strengthen the knowledge, image, and communication within the industry.  IAGI works to increase the industry's awareness of and appreciation for the professional geosynthetics installers.

Founded in 1995, the International Association of Geosynthetics Installers is the professional association representing geosynthetic material installers and their industry partners. The founding members of IAGI were passionately committed to promoting the level of professionalism for geosynthetic installers. These founders created an active organization that has evolved and continues to serve the needs of the industry since then.

Working Together to Advance the Industry

IAGI is a  member-driven trade association representing the global geosynthetics installation industry. We provide a Certified Welding Technician (CWT) program for geomembrane welding and an Approved Installation Contractor (AIC) program.

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Certified Welding Technician

IAGI's Certified Welding Technician Program (CWT) program recognizes the knowledge, experience and skill of those technicians who hold the certification. The CWT exam consists of a written and a hands on test for seam quality. The seams are tested by third party laboratories. Many companies who have invested resources in training and testing their welding technicians take pride in the skill of their welding technicians. The learn more, click the button below.

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