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Five Star Structural Concrete VO 50 lb Pail
Five Star Structural Concrete VO is a high strength, rapid setting, one component, permanent concrete repair material for vertical and overhead structural repairs. Produces a repair which is dimensionally stable, develops an integral bond to existing concrete, and restores structural integrity within hours of placement.
- High 3-hour strength gains
- Can be troweled vertically or overhead
- Outstanding corrosion resistance
$82.87
Five Star Structural Concrete V/O
Five Star Structural Concrete V/O is a high-strength, rapid-setting, one-component mortar for vertical and overhead structural repairs. It trowels in place, bonds to existing concrete, and restores integrity within hours, with migrating corrosion inhibitors for reinforcing steel. High three-hour strength and freeze/thaw durability cover thin and thick patches on walls, ceilings, and marine members. Also available as the 50 lb bag.
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Key Features
- Trowel vertically or overhead
- High three-hour strength gain
- One product for thin and thick placements
- Migrating corrosion inhibitor technology
- Excellent freeze/thaw resistance
- Coat grouts and epoxies as early as 8 hours
Applications
- Rapid repair of load-bearing walls, ceilings, and structural members
- Shutdown repairs
- Marine and hydraulic structure repairs
- Vertical and overhead patches
Technical Specifications
| Property | Value |
|---|---|
| Type | Rapid-setting vertical/overhead repair mortar |
| Working time at 70°F (21°C) | 15 minutes |
| Minimum repair depth | 1/4 in |
| Compressive strength (3 hr / 1 day / 28 day) | 2,500 / 3,500 / 5,800 psi |
| Bond strength (1 day / 7 day) | 1,500 / 2,200 psi |
| Chloride permeability at 28 days | Very low (<1,000 coulombs) |
| Freeze/thaw resistance | 95% relative durability modulus |
| Mixing water | 3-4 qt per 50 lb unit |
| Yield | Approx. 0.44 ft³ per 50 lb unit |
| Shelf life (pail) | Two years unopened in dry storage |
Product documents: Structural Concrete V/O Technical Data Sheet
Frequently Asked Questions
Is Five Star Structural Concrete V/O used on marine and hydraulic structures?
Yes. Five Star Structural Concrete V/O is used on marine and hydraulic structure repairs as well as shutdown repairs.
How strong is the bond of Five Star Structural Concrete V/O at one day?
Five Star Structural Concrete V/O typically develops about 1,500 psi bond strength at one day when tested to ASTM C882.
Can Five Star Structural Concrete V/O handle thin and thick placements?
Yes. Five Star Structural Concrete V/O is one product for thin and thick vertical or overhead placements.
When can coatings go over Five Star Structural Concrete V/O?
Cement grouts, epoxy grouts, and epoxy coatings can go over Five Star Structural Concrete V/O as early as 8 hours after placement.
Does Five Star Structural Concrete V/O have very low chloride-ion permeability?
Yes. Five Star Structural Concrete V/O is typically very low at 28 days (under 1,000 coulombs).
How long is the working window of Five Star Structural Concrete V/O at 70 F?
Five Star Structural Concrete V/O typically has about 15 minutes of working time at 70 F, which matches the rapid vertical and overhead set.
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