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SikaHyflex®-250 Facade

Verified by manufacturer over a year ago

Sika Limited

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

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+44 (0)1707 394444 Website

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

Color

Finish

Smooth

Material

Polyurethane

Shape

Formless

Length

320 mm

Width

50 mm

Height

50 mm

Uniclass

Pr_30_31_76_65 Polyurethane (PUR) construction joint sealantsPrimary

CAWS

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

Sealant
Sealing & Bonding / Joint Sealing
Sealing & Bonding / Curtain Walling and Glazing

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%.

Sustainability data

Contains Red List materials

No

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

0 kg·CO₂e/kg

Self declared

Recyclability

0

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

0 %

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