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SikaHyflex®-250 Facade

Third party certifications:
  • BSI Kitemark

    Certificate type

  • QA Certificate

    Certificate type

Sika Limited

High performance, professional joint sealant for concrete, masonry EIFS facades.

Jump to:
+44 (0)1707 394444 www.sika.co.uk
Application

  • Concrete.
  • Masonry.
  • Exterior Insulation Finishing System (EIFS) facades.

Consult manufacturer for information regarding suitable preparation and application methods for this product.

Description

One-part, moisture-curing, i-Cure Technology polyurethane based, low-modulus elastic joint sealant. Designed for the elastic joint sealing and waterproofing of movement and connection joints in building envelopes. Due to its very low modulus, SikaHyflex®-250 Facade is also suitable for EIFS Facades.

Features and benefits:

  • Very good weathering and ageing resistance.
  • Bubble-free curing.
  • Low stress to the substrate.
  • Very good extrusion and workability.
  • Good adhesion to a variety of substrates.
  • Solvent free and odourless.
  • Very low emissions.

Applications:

  • Concrete.
  • Masonry.
  • Exterior Insulation Finishing System (EIFS) facades.

Consult manufacturer for information regarding suitable preparation and application methods for this product.

General information
Specification data - Polyurethane (PUR) construction joint sealants
Product Reference

SikaHyflex®-250 Facade

Colour

Basalt grey

Black

Buff

Concrete grey

Cream ivory

Dark grey

Precast white

Rustic red

White

Standard product features

Chemical base:

i-Cure® Technology polyurethane.

Technical characteristics:

  • Service temperature: -40°C to +70°C.
  • Application temperature: +5°C to +40°C.
  • Density: ~1.35 kg/L.
  • Shore A Hardness (ISO 868): ~20.
  • Tensile Modulus at 23°C (ISO 8339): ~0.3 N/mm² at 100% elongation.
  • Tear Propagation Resistance (ISO 34): ~5.0 N/mm.
  • Movement Capability (ISO 9047): ± 25%.
  • Elastic Recovery (ISO 7389): ~80%.
  • Resistance to Weathering (ISO / DIS 19862): 10.
  • Skinning time: ~70 minutes.
  • Curing rate: ~3.5 mm/ 24h.
  • Sag flow (ISO 7390): 0 mm.
  • Elongation at break (ISO 37): ~800%.

Third party certifications
  • EN 15651-1 F EXT-INT CC 25 LM
  • ISO 11600 F 25 LM
  • DIN 18540 F
  • ASTM C 920, class 100/50
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