TOWER TECH ACRYLIC URETHANE ELASTOMERIC SEALANT 10.1 FL OZ (299ml) SOLD INDIVIDUALLY TOWER TECH is 1 component high performance, gun-grade, Urethane Modified Acrylic Sealant with exceptional strength and durability. Superior adhesion to most substrates with 800% elongation. It's internally plasticized, has reduced dirt pickup, won't yellow, and prevents paint shiners. Forms a permanently flexible, airtight, water-resistant seal in gaps up to 2" wide. Tower Tech offers 50% total joint movement, is UV and mildew resistant, and is VOC compliant in all 50 states. Performance Features: Exceeds ASTM C-920, Grade NS, Class 25. Use M, G, A, O NT Exceeds ASTM C-834, Type OP, Grade -18C Meets ASTM E84 Class A rating according to Flame Spread Index and Smoke Developed Index values Exceeds Fed. Spec TTS-00230C, Type II, Class A Up to 2” in properly designed joints 800% Elongation Superior Adhesion Internally Plasticized Exceptional Adhesion and Durability Cured UV Mildew Resistant Bead Interior / Exterior Vacuum Filled Tubes