Sika Sikaflex 1A Colonial White 10.1oz Cartridge 91013

Sikaflex 1A is a premium-grade, high-performance, polyurethane-based, non-sag elastomeric sealant. Sikaflex 1A can be used in green and damp concrete applications and is readily placeable at 40°F.

Fast tack-free and final cure times
Excellent resistance to aging, weathering.
High elasticity - cures to a tough, durable, flexible consistency

$6.29

Availability: In stock ( 46 Available )

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SKU

18963

Sikaflex-1A Colonial White – 10.1oz Cartridge

Sikaflex-1A is a premium-grade, moisture-cured, one-component polyurethane sealant designed for a wide range of construction applications. This non-sag, elastomeric adhesive provides strong, flexible bonds and is suitable for use on green or damp concrete. It adheres to most common building materials without primer, making it ideal for sealing expansion joints, windows, doors, flashings, and precast panels. With excellent weathering and tear resistance, it performs well in both horizontal and vertical joints, offering ±35% movement capability and resistance to water, aging, and chemicals. Certified for potable water contact and jet fuel resistance, Sikaflex-1A is a reliable sealant for demanding environments.

Key Features:

One-component, non-sag polyurethane sealant
±35% movement capability
Adheres to green concrete after 24 hours
Can be applied to damp concrete after 60 minutes
Paintable with water-, oil-, and rubber-based paints
Jet fuel and potable water certified (NSF/ANSI/CAN 61)
Resistant to weathering, aging, and chemicals
High elasticity and tear resistance

Applications:

Expansion and control joints in concrete
Precast wall panels and architectural facades
Flashing, reglets, window and door frames
Roofing details and construction adhesive uses
Submerged joints like canals and reservoirs
Sealing joints with dissimilar materials

Technical Specifications:

Property	Value
Shore A Hardness	45 ± 5
Tensile Strength	175 psi
Elongation at Break	550%
Movement Capability	±35%
Tear Strength	55 lb/in
Service Temperature	−40°F to +170°F
Tack-Free Time	3 to 6 hours
Cure Time	4 to 7 days
Coverage (10.1 oz Cartridge)	Up to 24.3 linear feet (¼” x ¼” joint)
Color	Colonial White
Packaging	10.1 oz cartridge

Frequently Asked Questions:

Can Sikaflex-1A be used on damp or green concrete?
Yes, it can be applied to green concrete after 24 hours and damp concrete 60 minutes after water is removed.

Is Sikaflex-1A paintable?
Yes, it can be painted with water-, oil-, or rubber-based paints after full cure.

Is this product suitable for underwater applications?
Yes, after a full 7-day cure it can be used in total water immersion conditions.

What joint movement can Sikaflex-1A accommodate?
It supports ±35% joint movement in properly designed joints.

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