Sika Sikadur Crack Fix

Sikadur Crack Fix is a 2-component, 100 % solids, moisture-tolerant, low-viscosity, high-strength, multi-purpose, epoxy resin adhesive. It conforms to the current ASTM C-881 and AASHTO M-235 specifications.

Formulation identical to popular, high strength adhesive Sikadur 35 Hi-Mod LV
Five times stronger than concrete
Convenient easy to use, single tube cartridge - fits standard caulk guns

$33.88

Availability: In stock ( 33 Available )

SKU

17725

Sika Sikadur Crack Fix – 10.7 oz Cartridge

Sikadur Crack Fix is a two-component, 100% solids, low-viscosity epoxy adhesive designed for sealing and bonding cracks in concrete and masonry. This high-strength system penetrates deeply for effective repair of hairline to moderate cracks and delivers structural-grade performance. With a convenient cartridge that fits standard caulk guns and self-mixing nozzles, Sikadur Crack Fix allows for clean, efficient crack filling by gravity feed or low-pressure injection.

Key Features:

Low-viscosity formula for deep crack penetration
High bond and tensile strength – over 7,000 psi
Cartridge fits standard caulking guns for easy use
Self-mixing nozzle reduces mess and setup time
Moisture-tolerant and suitable for damp substrates
Conforms to ASTM C-881 and AASHTO M-235 standards

Applications:

Gravity feed of cracks in horizontal concrete slabs
Low-pressure injection in vertical and overhead cracks
Repairs in concrete, masonry, wood, and similar materials
Interior or exterior structural concrete repair

Technical Specifications:

Property	Value
Mix Ratio (A:B)	2:1 by volume
Viscosity	375 cps
Tensile Strength (7 day)	7,000 psi
Compressive Strength (28 day)	13,000 psi
Flexural Strength	11,000 psi
Bond Strength (14 day)	1,350 psi
Elongation at Break	6.9%
Heat Deflection Temperature	121°F
Coverage	10.7–11.0 in³ per cartridge
Pot Life	~25 minutes (60g mass)
Tack-Free Time at 73°F	3–3.5 hours
Color	Clear, amber
Packaging	10.7 oz cartridge with static mixer

Frequently Asked Questions:

Can Sikadur Crack Fix be used for vertical crack repairs?
Yes, it can be injected into vertical or overhead cracks using low-pressure techniques.

What is the minimum application temperature?
Do not apply below 40°F. The concrete surface must be clean, dry, and at the correct temperature before application.

Can I use this on wet cracks?
Sikadur Crack Fix is moisture-tolerant but should not be applied to visibly wet or glistening surfaces.

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