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TOWER TECH²™ 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 Tech²offers 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 -18°C
  • 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
  • Lifetime Warranty
image of a tube of Tower Tech caulkContact Us


White variant of tower sealants logo
2095 Memorial Park Rd.Gainesville, Georgia 30504
FAX: 866-897-7569
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