Description
Sikaflex 221 is a high-quality multi purpose non-sag 1-c polyurethane sealant that cures on exposure to atmospheric humidity to form a durable elastomer.
Features
- 1-C formulation
- Elastic
- Low odour
- Resistant to ageing and weathering exposure
- Non-corrosive
- Can be over-painted
- Can be sanded
- Bonds well to a wide variety of substrates
- NSF-approved for incidental food contact.
- Content 600ml
Applications
Sikaflex 221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are timber, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics.
Hazard Statements (CLP)

Signal word: Danger.
Hazard Statements (H-Sentences)
- H334: May cause allergy, asthma-like symptoms or breathing difficulties if inhaled.
- H373: May cause damage to organs (central nervous system) through prolonged or repeated exposure by inhalation.
Precautionary Statements (P-Sentences)
Prevention:
- P260: Do not breathe mist or vapour.
- P284: Wear respiratory protection if ventilation is insufficient.
Response:
- P304 + P340: IF INHALED: Move person to fresh air and keep comfortable for breathing.
- P342 + P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor.
Disposal:
- P501: Dispose of contents/container in accordance with local regulations.
Sika Deutschland GmbH, Kornwestheimer Str. 103-107, 70439 Stuttgart, GERMANY, +49 711 8009-0, [email protected], www.sika.com






Stéphane B. –
Delivery faster than expected. Very fast shipping. Impeccable service. Easy to assemble.
Lucy B. –
No unpleasant smell, which I really appreciate. Packaging was slightly damaged, but product is excellent. Pleasant to use at home.
Samuel Y. –
Perfect, nothing to say. Good quality at a fair price. Everything perfect and fast.
Alexandre L. –
No complaints. Everything perfect, would buy again.
tobias_s –
No issues at all so far. Everything as expected.
Leonardo Z. –
Super value for the money. Punctual service. Great customer support. Simple and convenient.