Solmax

Highly Engaged Employees

Solmax is the world's leading manufacturer of geosynthetics for civil and environmental infrastructure, headquartered in Varennes, Quebec, Canada. Founded in 1981, Solmax produces geomembranes, geotextiles, geonets, geosynthetic clay liners, geogrids, and GEOTUBE marine and dewatering containers. The company is a world leader in sustainable constru... ction solutions, with pioneering products that separate, contain, filter, drain, and reinforce essential applications in a more sustainable way. Solmax has grown through the acquisition of major industry players including GSE Environmental in 2017, TenCate Geosynthetics in 2021, and Propex in 2021, becoming the largest geosynthetics company in the world. The company has factories in North America, Europe, Asia, and the Middle East, with products sold in over 60 countries and subsidiaries and operations across the globe. Solmax provides polyethylene and prefabricated polyvinyl chloride geomembranes, concrete protection liners, and related products for applications in construction, transportation, mining, waste management, landfills, water containment, and environmental protection. In 2025, Solmax launched its new Performance Materials platform, integrating the long-standing legacy of TenCate Geosynthetics and Propex to offer innovative, durable, and reliable solutions for agricultural, recreational, and specialty markets. The company is at the forefront of sustainable engineering solutions and is helping decarbonize the construction industry with cutting-edge technology. Solmax has experienced rapid expansion through a combination of organic growth and strategic acquisitions, with sustained support from investors including Caisse de depot et placement du Quebec and Fonds de solidarite FTQ.Read More