Sikaflex 291

SIKAFLEX® 291 | Marine Adhesive Sealant

Multi-purpose marine polyurethane adhesive sealant

  • Excellent adhesion to all common materials used in marine environments
  • Suitable for service above and below the waterline
  • Excellent weathering, resistant to sea water and fresh water


Sikaflex® 291 is suitable for making elastic, vibration-resistant joint seals, and can also be used for a variety of interior and exterior sealing applications. Sikaflex® 291 bonds extremely well to the materials commonly used in marine construction like wood, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics (GRP, etc.)


  • 1-C formulation
  • Elastic
  • Low odour
  • Resistant to ageing and weathering
  • Non-corrosive
  • Can be overpainted
  • Can be sanded
  • Bonds well to a wide variety of substrates
  • Electrically non-conductive


100ml Black & White Tube
310ml Black & White cartridge


White, Black

Available Colour
  • White
  • Black