About Us

SOPREMA Outside Wadsworth #2 006SOPREMA offers a comprehensive line of roofing, waterproofing, wall protection and civil engineering solutions combining superior products and systems with decades of proven performance. Our solutions include industry leading SBS-modified bitumen membranes, polymeric PMMA/PMA liquid applied membranes and synthetic single ply PVC membranes. For applications as diverse as roofing, below grade waterproofing, plaza deck and balcony waterproofing, air and vapor barriers and bridge and parking structures, SOPREMA has the solution. SOPREMA’s relentless pursuit of technological advancement, sustainability and product quality has been known and respected around the world for over 100 years.

SOPREMA was founded in 1908 as Charles Geisen, while seeking to develop a fully waterproof fabric which would also be flexible and easy to install, found the solution by soaking jute fabric in hot bitumen. The result gave a lightweight but strong screed which came to be known as “MAMMOUTH®” Please click here to lean more about our company history.

Today, the company operates over 40 manufacturing plants and has a presence in more than 90 countries across the world. In the U.S, we manufacture in Wadsworth, Ohio and Gulfport, Mississippi. SOPREMA continues to operate with core values of integrity, respect, commitment to excellence, and a focus on sustainable development to minimize our impact on the environment.

Quality lies at the heart of our business, from our mission statement to our daily operations. Our commitment to excellence in quality is proven by our ISO 9001, 14001, and 18001 certifications. Additionally, on a global basis, the company operates a worldwide standardization process meaning you get the same quality product at any SOPREMA location. Our Quality Compliance Certificate program allows product data to be pulled straight from the manufacturing line to ensure consistency every time. Simply put, with SOPREMA, consistency is built into our processes every day, everywhere.

BSI Assurance Mark ISO 9001 KEYB (1)Globally, SOPREMA’s R&D capabilities are quite extensive, with research and product development coming from state of the art laboratories in 7 facilities operated with an emphasis on sustainable development. In the US, our R&D chemists are responsible for working closely with SOPREMA experts, architects and contractors to develop innovative, cutting edge advancements and technologies.