Product Review

Sikaflex® 221 is a high-quality multipurpose non-sag 1-c polyurethane sealant that cures on exposure to atmospheric humidity to form a durable elastomer. Meets approvals ASTM C920 types and Federal Specifications TT-S-00230C. Sikaflex® -221 is tested and classified in accordance with ANSI/UL 723 "Test for Surface Burning Characteristics of Building Materials". Product Benefits - 1-C formulation - Elastic - Low odor - Resistant to weathering exposure - Non-corrosive - Can be overpainted - Can be sanded - Lower VOC's - Bonds well to a wide variety of substrates - NSF registered, Proprietary Substances and Nonfood Compounds (black, gray, and white) - UL listed for potable water