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SikaHyflex®-250 Facade

Name: SikaHyflex®-250 Facade
Brand: Sika Limited
SKU: txy4WxRif8upz6UpbKHNgG

Verified by manufacturer 17 days ago

Sika Limited

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

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+44 (0)1707 394444 Website

Application

The Product is used for sealing and weatherproofing joints in the building envelope where reliability and durability is required. The Product is used for the following application areas:

Interior or exterior joint sealing.
Around window and door frames.
Around facade elements.
Around precast elements.
EIFS facades.

Description

SikaHyflex®-250 Facade is a 1-part polyurethane joint sealant. It is used for durably sealing movement and connection joints in concrete, masonry and EIFS facades.

Features and benefits:

Easy to extrude and tool.
Very high movement capability of +100 % / -50 % (ASTM C 719).
Monomeric diisocyanate content <0.1 %: no user safety training needed (REACH restriction 2023, Annex XVII entry 74).
Odourless.
Very low emissions.
Good adhesion to many construction materials.
Good resistance to weathering.

General information

Color	Grey Black Ivory White Red Beige Show more
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

SKU Code	435543, 435614, 435616, 435632, 443564, 443569, 443600, 443604, 625900, 443674, 502565

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

Specification data - Polyurethane (PUR) construction joint sealants

Classification data
Standard	To BS EN ISO 11600. Manufacturer guidance CE marking and declaration of performance based on EN 15651-1:2012 Sealants for non-structural use in joints in buildings and pedestrian walkways — Part 1: Sealants for facade elements. ISO 16938-1 non staining on marble.
Third-party certification	ASTM C 1248 non staining on marble.
Material	One-part polyurethane.
Class	F-25LM.
Colour	Grey. Black. Ivory. White. Red Beige.
Service temperature	-40°C to +70°C.
Application temperature	+5°C to +40°C.
Density	~1.35 kg/L.
Hardness (shore A)	To ISO 868, ~20.
Tensile Modulus	To ISO 8339, ~0.3 N/mm² at 100% elongation. Manufacturer guidance At 23°C.
Tear resistance	To ISO 34, ~5.0 N/mm.
Movement	To ISO 9047, ±25%.
Elastic recovery	To ISO 7389, ~80%.
Weathering resistance	To ISO / DIS 19862, 10.
Cure time	~3.5 mm/ 24 h. Manufacturer guidance Skinning time: ~70 minutes.
SAG	To ISO 7390, 0 mm. Manufacturer guidance Sag flow.
Elongation at break	To ISO 37, ~800%.

Sustainability data

Contains Red List materials	No
Country of material origin	Germany
Country of product manufacture	Germany
Material	Polyurethane
Carbon dioxide equivalent
Carbon dioxide equivalent, as defined in BS EN 15804 Self-declared
Stage Normalised unit (kg CO₂ eq/kg) Declared unit (kg CO₂ eq/kg) Stage:A1–A3 ('Production stage') Normalised unit : 4.79 (kg CO₂ eq/kg) Declared unit : 4.79 Lower emissions
Recyclability	0
Recycled content As defined in clause 7.8 of BS EN ISO 14021	0 %