History of SOPREMA Founded in 1908, SOPREMA is the worldwide leader in SBS-modified bitumen membrane manufacturing. SOPREMA is an industry innovator in roofing and waterproofing, including PMMA/PMA systems, and vegetated systems.Related Videos SOPREMA at the 2018 International Roofing Expo SOPREMA City: A Virtual Reality Experience How to Register a SOPREMA Project 2017 International Roofing Expo Product Demo SOPREMA Building Envelope ClinicsMost Recent Videos SOPREMA Pre-Cut Fleece Time Trial SOPREMA ECO3 Smog Reducing Roofing SOPREMA at the 2018 International Roofing Expo SOPREMA City: A Virtual Reality Experience ALSAN Coatings Product Line