PRO STRETCH™ is a high performance, acrylic urethane elastomeric sealant. Made with premium technology. PRO STRETCH™ is capable of spanning joints up to 2", with 50% total joint movement and 800% elongation. This sealants offers unsurpassed flexibility and durability, reduces dirt pickup, eliminates yellowing, paint discoloration and forms an airtight, water resistant seal. It can be painted and once cured the bead is mildew resistant. With lifetime durability, it exceeds ASTM C-920, Class 25, Fed Spec TTS-00230C and complies with AMMA 808.3 standards.