SikaHyflex®-250 Facade

Third party certifications:

BSI Kitemark
Certificate type
QA Certificate
Certificate type

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

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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

Uniclass 2015	Pr_30_31_76_65 Polyurethane (PUR) construction joint sealantsPrimary

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