Sikaflex 1a is a premium-grade, high performance, moisture-cured,one-component, polyurethane-based, non-sag elastomeric sealant. Used for all types of joints with maximum depth of 13 mm and a maximum expansion of 25%.

  • Excellent for small joints and fillets: windows, door frames, reglets, flashing, and many construction adhesive applications,
  • Suitable for vertical and horizontal joints.

Available Colours
Available in all standard colours

Available Sizes


Product Data Sheet
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