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Five Star Structural Concrete 50lb Pail
High early strength, single component, permanent concrete repair material containing migrating corrosion inhibitors. Produces a repair which is dimensionally stable, develops an integral bond to existing concrete, and restores structural integrity within hours of placement.
- Pour up to 12 inches
- Contains corrosion inhibitors
- Bonds to existing concrete
$70.40
Five Star Structural Concrete
Five Star Structural Concrete is a high-early-strength, single-component repair mortar for permanent structural patches. Migrating corrosion inhibitors and very low chloride permeability protect embedded steel while the mix bonds to existing concrete and restores integrity within hours. Place neat from 1/2 inch to 2 inches, or extend with aggregate for thicker pours, then coat as early as 4 hours. Also available as the 50 lb bag.
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Key Features
- High three-hour compressive strength for fast turnaround
- Single-component mix for consistent field batches
- Migrating corrosion inhibitor technology
- Very low chloride ion permeability
- Excellent freeze/thaw resistance
- Coat with cement or epoxy grouts as early as 4 hours
Applications
- Repair of concrete structures
- Rapid machinery foundation rebuilds
- Concrete floor repairs and overlays
- Construction joint repair
- Marine and hydraulic structure repairs
- Tanks, sumps, and curbs
Technical Specifications
| Property | Value |
|---|---|
| Type | Single-component high-early-strength repair mortar |
| Working time at 70°F (21°C) | 15 minutes |
| Placement depth | 1/2-2 in neat; thicker with aggregate extension |
| Compressive strength (3 hr / 1 day / 28 day) | 2,500 / 5,000 / 8,000 psi |
| Bond strength (1 day / 7 day) | 2,000 / 2,500 psi |
| Chloride permeability at 28 days | Very low (<1,000 coulombs) |
| Freeze/thaw resistance | 95% relative durability modulus |
| Maximum in-service temperature | 400°F (204°C) |
| Mixing water | 2.5-3 qt per 50 lb unit |
| Yield | Approx. 0.42 ft³ neat per 50 lb unit |
| Shelf life (pail) | Two years unopened in dry storage |
Product documents: Structural Concrete Technical Data Sheet
Frequently Asked Questions
Can Five Star Structural Concrete repair floors and overlays?
Yes. Five Star Structural Concrete is used for concrete floor repairs and overlays as well as tanks, sumps, and curbs.
How strong is the bond of Five Star Structural Concrete at one day?
Five Star Structural Concrete typically develops about 2,000 psi bond strength at one day when tested to ASTM C882.
Does Five Star Structural Concrete have very low chloride-ion permeability?
Yes. Five Star Structural Concrete is typically very low at 28 days (under 1,000 coulombs) so it helps protect reinforcing steel.
Can Five Star Structural Concrete be used on marine and hydraulic structures?
Yes. Five Star Structural Concrete is used on marine and hydraulic structure repairs as well as construction joint repair.
Does Five Star Structural Concrete contain migrating corrosion inhibitors?
Yes. Five Star Structural Concrete contains migrating corrosion inhibitor technology to help protect reinforcing steel in the repair.
Does Five Star Structural Concrete restore structural integrity the same day?
Yes. Five Star Structural Concrete is a high-early, single-component repair that develops an integral bond and restores structural integrity within hours of placement.
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