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Five Star Structural Concrete Underwater PG 50lb Bag
$85.38
Five Star Structural Concrete Underwater PG (pump grade) is a high early strength, single component, permanent concrete repair material designed for pumping underwater. This concrete repair material features excellent pumping properties and minimal washout during large volume placements underwater and is designed for placement in tidal zones and underwater.
- Large Volume Placements
- Saltwater Resistant
- High 6 Hour Strength
SKU
19393
Five Star Structural Concrete Underwater PG – High-Strength Pump-Grade Concrete Repair
Five Star Structural Concrete Underwater PG is a high-performance, pumpable concrete repair material designed for large volume placements in underwater and tidal zone applications. Engineered for excellent pumpability and minimal washout, it offers high early strength and superior corrosion resistance. This advanced repair mortar contains a migrating corrosion inhibitor to enhance protection for steel-reinforced structures, making it ideal for marine and hydraulic infrastructure repairs. It is formulated for extended working time, ensuring ease of placement and durability in submerged conditions.
Key Features:
- Pumpable, high early-strength concrete repair mortar
- Minimal washout for superior underwater performance
- Designed for large volume placements
- Saltwater and sulfate-resistant formulation
- Adjustable working time for various applications
- Provides outstanding corrosion protection for steel reinforcement
- Compatible with coarse aggregate extension up to 80%
- Ideal for marine structures, dams, and tidal zone applications
Technical Specifications:
| Property | Value |
|---|---|
| Compressive Strength (6 Hours) | 2,500 psi (17.3 MPa) |
| Compressive Strength (1 Day) | 5,000 psi (34.5 MPa) |
| Compressive Strength (7 Days) | 6,000 psi (41.4 MPa) |
| Compressive Strength (28 Days) | 7,500 psi (51.7 MPa) |
| Underwater Bond Strength (ASTM C882, 1 Day) | 1,000 psi (6.9 MPa) |
| Underwater Bond Strength (ASTM C882, 7 Days) | 1,500 psi (10.3 MPa) |
| Chloride Ion Permeability (ASTM C1202, 28 Days) | Negligible (<100 Coulombs) |
| Working Time at 70°F (21°C) | 20 minutes |
Frequently Asked Questions:
What are the typical applications for Five Star Structural Concrete Underwater PG?
This product is designed for underwater concrete repairs, marine and hydraulic structures, tanks, dams, and tidal zone restorations.
What is the recommended placement method?
It can be tremie poured or pumped into place. A positive displacement pump is recommended for optimal performance.
What is the shelf life of Five Star Structural Concrete Underwater PG?
The product has a shelf life of one year in its original, unopened packaging when stored in dry conditions. High humidity can reduce its effectiveness.
How should the substrate be prepared?
Surfaces must be free of marine growth, laitance, and contaminants. Concrete should be roughened to improve bond strength.
For the latest technical specifications and application guidelines, visit Five Star Products.
| Brand | Five Star Products |
|---|---|
| Manufacturer | Five Star Products |
