Sikaflex®-221

Sikaflex-221 is a high-quality, multi-purpose, non-sag 1-component, polyurethane sealant that cures on exposure to atmospheric humidity and forms a durable elastomer.

  • One-component formulation
  • Elastic
  • Low odour
  • Resistant to aging and weathering exposure
  • Non-corrosive
  • Can be overpainted
  • Can be sanded