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Five Star Instant Grout 55 lb bag
Non-shrink grout for supporting machinery requiring precision alignment and quick turnaround. Fast turnaround time - achieves 4000 psi compressive strength in 4 hours. Nonmetallic, positive expansion, meets ASTM C1107-02.
- Fast turnaround time
- Non-shrink, nonmetallic
- Great cold weather performance
$174.40
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Five Star Instant Grout, 55 lb Bag
Five Star Instant Grout is a rapid-setting, non-metallic, non-shrink cementitious grout engineered for emergency repairs and fast-track construction. It develops high early strength (4,000 psi in 4 hours) and provides permanent support for machinery requiring precision alignment. The product offers superior cold-weather performance, 95% effective bearing area, and meets the requirements of ASTM C1107 Grades A, B, and C as well as CRD-C 621.
Key Features
- Rapid strength gain: 4,000 psi in 4 hours at 70°F.
- Non-shrink from the time of placement.
- 95% Effective Bearing Area.
- Superior cold-weather performance.
- Meets ASTM C1107 Grades A, B, and C and CRD-C 621.
- Air Release technology per ACI 351.1R.
- Fast turnaround for emergency and time-critical work.
Applications
- Emergency and rapid repairs.
- Fast-track construction projects.
- Grouting of machinery baseplates requiring quick return to service.
- Low-temperature placement applications.
- Precision support where minimal downtime is critical.
Technical Specifications
| Property | Value (at 70°F / 21°C) |
|---|---|
| Compressive Strength – 4 Hours (ASTM C942) | 4,000 psi (27.6 MPa) |
| Compressive Strength – 1 Day | 5,500 psi (38.0 MPa) |
| Compressive Strength – 7 Days | 6,500 psi (44.9 MPa) |
| Compressive Strength – 28 Days | 7,000 psi (48.3 MPa) |
| Bond Strength (ASTM C882, 28 Days) | 2,500 psi (17.3 MPa) |
| Effective Bearing Area | 95% |
| Early Height Change (ASTM C827) | 0.0 to 4.0% |
| Hardened Height Change (ASTM C1090) | 0.00 to 0.30% |
| Working Time | Approximately 10 minutes |
| Placement Depth (neat) | 1 inch to 3 inches (25–76 mm) |
| Application / Material Temperature Range | 35°F to 80°F (2°C to 27°C) |
| Maximum Operating Temperature | 400°F (204°C) |
| Unit Size | 55 lb (25 kg) bag |
Product documents: Five Star Instant Grout Technical Data Sheet (PDF)
Frequently Asked Questions
How fast does Instant Grout gain strength?
It reaches approximately 4,000 psi in 4 hours and 5,500 psi in 1 day at 70°F.
What is the working time?
Approximately 10 minutes at 70°F. Plan placement carefully due to the short working window.
Is the product suitable for cold weather?
Yes. It offers superior cold-weather performance and can be placed at temperatures as low as 35°F.
What is the effective bearing area?
95% when proper placement procedures are followed.
What is the recommended placement depth?
1 inch to 3 inches neat.
Does it meet ASTM C1107?
Yes. It meets the performance requirements of ASTM C1107 Grades A, B, and C and CRD-C 621.
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