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Five Star Structural Concrete VO 50 lb Bag
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
$69.01
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 pail.
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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 |
| Length change at 28 days (wet / dry) | +0.04% / -0.13% |
Product documents: Structural Concrete V/O Technical Data Sheet
Frequently Asked Questions
Can Five Star Structural Concrete V/O be troweled on vertical and overhead repairs?
Yes. Five Star Structural Concrete V/O is a rapid-setting, one-component repair for vertical and overhead structural work.
How strong is Five Star Structural Concrete V/O at three hours?
Five Star Structural Concrete V/O typically reaches about 2,500 psi at three hours at 70 F.
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.
Is Five Star Structural Concrete V/O used on load-bearing walls and ceilings?
Yes. Five Star Structural Concrete V/O is used for rapid repair of load-bearing walls, ceilings, and other structural members, including shutdown work.
Does Five Star Structural Concrete V/O resist freeze-thaw?
Yes. Five Star Structural Concrete V/O has a typical ASTM C666A relative durability modulus of 95 percent.
Does Five Star Structural Concrete V/O include migrating corrosion inhibitors?
Yes. Five Star Structural Concrete V/O uses migrating corrosion inhibitor technology and very low chloride-ion permeability to protect reinforcing steel.
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