SikaHyflex-250 Facade

High-performance over paintable 1-part professional weatherproofing sealant for concrete, masonry and EIFS facades


SikaHyflex-250 Facade is a 1-part, moisture curing, and low modulus elastic joint sealant suitable for movement and connection joints in commercial building envelopes.


  • Very good weathering and ageing resistance
  • Movement capability of +100/-50 % (ASTM C719)
  • Bubble-free curing
  • Low stress to the substrate
  • Easy to smooth and very good workability
  • Very good adhesion to many substrates
  • Solvent free and odourless
  • Very low emission

Click here to view the SikaHyflex-250 Facade video

Specification Compliances

  • Conforms to EN15651-1 F EXT-INT CC 25 LM
  • Conforms to ISO 11600 F 25 LM
  • Conforms to DIN 18540 F
  • Conforms to ASTM C920, class 100/50
  • EMICODE EC 1PLUS R, very low emission

Available in

600ml foil packs in the following colours:
Concrete grey
Dark grey
Cream ivory
Basalt Grey
Buff - made to order
Precast White - made to order


In dry conditions and protected from direct sunlight at temperatures between +5°C and +25°C.

Shelf life

15 months from date of production if stored in undamaged original sealed containers.