SIKA Flex 221



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


Silicon Shape & Size

Cartridge & 300ml, Sausage & 490ml, Sausage & 600ml


Green, White

Pail (Black only)

23L, 4.5 US Gal