NBS Source
Sikaflex® Construction+


A one-part, i-Cure Technology polyurethane based, moisture curing, elastic joint sealant. Designed for movement and connection joints in concrete facades.

Features and benefits:

  • Very good resistance to weathering.
  • Bubble-free curing.
  • Good workability.
  • Good adhesion to many substrates.
  • Solvent-free.
  • Very low emissions.

General information

Uniclass 2015

Pr_30_31_76_65 Polyurethane (PUR) construction joint sealantsPrimary


H11/777 Weathersealing for structural sealant/ bonded glazing

H13/740 Sealant joints

L10/75 Sealant joints

L10/810 Sealant joints

L20/80 Sealant joints

L20/820 Sealant joints

Product range


Specification data - Polyurethane (PUR) construction joint sealants

Product Reference

Sikaflex® Construction+





Standard product features

Chemical base:

i-Cure® Technology polyurethane.

Technical information:

  • Density: ~1.45 kg/L.
  • Service temperature: -40°C to +70°C.
  • Application temperature: +5°C to +40°C.
  • Shore A Hardness (ISO 868): ~28.
  • Tensile Modulus at 23°C (ISO 8339): ~0.45 N/mm² at 100% elongation.
  • Tear Propagation Resistance (ISO 34): ~7.0 N/mm.
  • Movement Capability (ISO 9047): ± 25%.
  • Elastic Recovery (ISO 7389): ~90%.
  • Resistance to Weathering (ISO / DIS 19862): 8.
  • Skinning time: ~65 minutes.
  • Curing rate: ~3 mm/ 24h.
  • Sag flow (ISO 7390): 0 mm.
  • Elongation at break (ISO 37): ~800%.

Product Options


Other colours available to order: consult Sika for range and availability.

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