What technical requirements define roofing modified bitumen membrane for asphalt or bitumen modification?

Modified bitumen membranes must meet specific technical requirements, including tensile strength, elongation, and tear resistance. The membranes should comply with ASTM standards, such as ASTM D6162 for SBS-modified and ASTM D6878 for APP-modified bitumen. Additionally, they should exhibit excellent adhesion properties, UV resistance, and flexibility at low temperatures. The thickness typically ranges from 3 to 5 mm, ensuring durability and performance in various weather conditions. Proper installation techniques are also crucial for optimal performance.