SikaGrout 928 is a precision-grade, hydraulic cement-based mineral aggregate grout designed to deliver reliable structural support in industrial grouting, equipment mounting, and anchoring applications. Engineered for demanding environments where machinery requires stable load-bearing support, this high-strength formulation provides consistent performance and long-term durability. With excellent flowability and extended working time, it can be placed from fluid to damp pack consistency over a wide temperature range of 45 to 90°F, making it suitable for diverse installation conditions without compromising performance.
This grout achieves impressive compressive strengths of 7,500 psi at 7 days and 9,000 psi at 28 days in plastic consistency, while maintaining non-shrink properties that ensure maximum effective bearing area for optimum load transfer. Its low-dust formulation enhances worker safety and comfort, while the extended working time allows for precise placement in complex grouting operations. Ideal for both interior and exterior applications, SikaGrout 928 combines freeze-thaw resistance with sulfate resistance, making it suitable for marine, wastewater, and other challenging environments.
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Key Features of Sika SikaGrout 928
Extended Working Time
Provides 30-minute working time at fluid consistency, allowing for precise placement in complex grouting operations.
High Compressive Strength
Achieves 9,000 psi compressive strength at 28 days in plastic consistency, ensuring reliable structural support.
Low Dust Formula
Reduces airborne dust by 50% compared to standard grouts, improving worker safety and comfort.
Non-Shrink Properties
Hardens free of bleeding, segregation, or settlement shrinkage to provide maximum effective bearing area.
Wide Temperature Range
Can be mixed and placed in temperatures from 45 to 90°F (7 to 32°C) for versatile installation conditions.
Freeze-Thaw Resistant
Maintains structural integrity in exterior applications with durability factor greater than 90% after 300 cycles.
Sulfate Resistant
Withstands exposure to marine, wastewater, and other sulfate-containing environments.
Multiple Consistency Options
Can be mixed from fluid to damp pack consistency to meet specific placement requirements.
Recommended Applications for Sika SikaGrout 928
SikaGrout 928 is engineered for professionals tasked with grouting critical industrial equipment, structural components, and anchoring systems under challenging conditions. Its extended working time and high-strength properties make it especially suitable for precision grouting applications where accuracy and reliability are paramount.
Ideal Applications Include:
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- Equipment grouting for compressors, generators, and pump bases
- Drive motors, tank bases, and conveyor systems
- Anchor bolt, rebar, and dowel rod grouting
- Precast wall panels, beams, and columns
- Curtain walls and concrete structural systems
- Concrete repair including void filling and rock pocket grouting
- Marine and wastewater facility applications
- Food processing environments (NSF/ANSI 61 approved)
Technical Specifications – SikaGrout-928
Low dust, high-precision mineral-aggregate grout with extended working time for critical industrial applications.
9,000 PSI Compressive Strength
45-90°F Application Range
ASTM C1107 & CRD C621 Certified
30-minute Working Time
ASTM C1107 & CRD C621 Certified
Low-Dust Formula (50% reduction)
NSF/ANSI 61 Approved
Extended Working Time
Freeze-Thaw Resistant
Pumpable Formula
Frequently Asked Questions
What is the recommended mixing ratio for SikaGrout 928?
Mix one 55 lb bag with 10.5 lbs (1.26 gallons) of potable water for fluid consistency. Water requirements may vary based on mixing efficiency, temperature, and desired consistency.
How long is the working time and set time?
Working time varies by consistency: 4:30 hours for fluid, 3:00 hours for flowable, and 2:30 hours for plastic. Final set times are 6:00, 5:00, and 4:00 hours respectively.
What compressive strength does it achieve?
At fluid consistency: 3,500 psi at 1 day, 6,500 psi at 7 days, and 7,500 psi at 28 days. Higher strengths are achieved with stiffer consistencies.
Can it be used in food processing environments?
Yes, SikaGrout 928 is NSF/ANSI 61 approved for use with potable water and food contact applications.
What surface preparation is required?
Surfaces must be clean, saturated surface dry (SSD), strong, and roughened to CSP 5-9. Concrete should be ponded with water for 24 hours before grouting.
What is the shelf life and storage requirements?
55 lb bags have a 1-year shelf life when properly stored. 3,300 lb bulk bags have a 3-month shelf life. Store in unopened containers in cool, clean, dry conditions.
Can it be pumped?
Yes, SikaGrout 928 is pumpable and can be transported by wheelbarrow, buckets, or pump systems for efficient placement.
What temperature range is suitable for application?
Application temperature should be between 45 to 90°F (7 to 32°C) for both mixing and placing. For precision grouting, aim for 70°F mixed-product temperature.
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