SIKA 1A is a premium-grade, high performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant.  Meets Federal specification TT-S-00230C, Type II, Class A.  Meets ASTM C-920, Type S, Grade NS, Class 35, use T, NT, O, M, G, I;Canadian standard CAN/CGSB 19.13-M87.



  • Eliminates time, effort, and equipment for mixing, filling cartridges, pre-heating or thawing, and cleaning of equipment.
  • Fast tack-free and final cure times
  • High elasticity-cures to a tough, durable, flexible consistency with exceptional cut and tear-resistance.
  • Stress relaxation



Contact a TB Philly Representative Online

Online Inquiry Form

or call us at: 610.482.6001

TBP Group Business Office Thoms Drive Suite 411  Phoenixville, PA 19460
Phone 610-482-6001  Fax 610-933-4910  email: