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Five Star Structural Concrete Underwater Hand Pack Pail
Five Star Structural Concrete Underwater Hand Pack is a rapid strength gain, single component, permanent concrete repair material intended for underwater application by hand or trowel. This concrete repair material allows small volume hand placements with minimal underwater washout.
- Rapid Set Underwater
- Saltwater Resistant
- Corrosion Inhibitor
$92.39
Five Star Structural Concrete Underwater Hand Pack
Five Star Structural Concrete Underwater Hand Pack is a rapid-strength, single-component mortar for small-volume underwater repairs by hand or trowel. Minimal washout, saltwater resistance, and migrating corrosion inhibitors make it a fit for tidal zones, piles, piers, and hydraulic structures. Place from 1/2 inch to several inches in one installation with about 10 minutes of working time at 70°F.
Key Features
- Hand or trowel placement underwater
- Minimal washout in tidal and submerged work
- Rapid set with high three-hour strength
- Saltwater, chloride, and sulfate resistant
- Migrating corrosion inhibitor technology
- One-component mix for small-volume repairs
Applications
- Underwater repair of tanks, dams, and hydraulic structures
- Piles, piers, seawalls, and marine structures
- Filling underwater cavities and voids
- Tidal-zone hand packs
Technical Specifications
| Property | Value |
|---|---|
| Type | Single-component underwater hand-pack repair mortar |
| Working time at 70°F (21°C) | 10 minutes |
| Application thickness | 1/2 in to several inches |
| Compressive strength (3 hr / 1 day / 28 day) | 3,000 / 4,000 / 5,500 psi |
| Underwater bond strength at 7 days | 1,150 psi |
| Length change at 28 days wet | +0.02% |
| Packaging | 36 lb pail |
| Yield | Approx. 0.35 ft³ per 36 lb pail |
| Shelf life | Two years unopened in dry storage |
| Placement temperature | 45°F to 90°F |
Product documents: Structural Concrete Underwater Hand Pack Technical Data Sheet
Frequently Asked Questions
When should a contractor pick Five Star Structural Concrete Underwater Hand Pack instead of Underwater PG?
Pick Five Star Structural Concrete Underwater Hand Pack for small-volume underwater repairs placed by hand or trowel. Use Five Star Structural Concrete Underwater PG when the repair will be pumped in large volume.
Can Five Star Structural Concrete Underwater Hand Pack be placed in tidal zones?
Yes. Five Star Structural Concrete Underwater Hand Pack is designed for tidal-zone and underwater placement with minimal washout.
How thick can Five Star Structural Concrete Underwater Hand Pack be placed?
Application thickness for Five Star Structural Concrete Underwater Hand Pack may range from 1/2 inch to several inches in a single installation.
How strong is Five Star Structural Concrete Underwater Hand Pack at three hours?
Five Star Structural Concrete Underwater Hand Pack typically reaches about 3,000 psi at three hours at 70 F.
Is Five Star Structural Concrete Underwater Hand Pack saltwater resistant?
Yes. Five Star Structural Concrete Underwater Hand Pack is saltwater resistant and is used on piles, piers, seawalls, tanks, dams, and other marine structures.
Does Five Star Structural Concrete Underwater Hand Pack bond underwater?
Yes. Five Star Structural Concrete Underwater Hand Pack typically develops about 1,150 psi underwater bond at 7 days when tested to ASTM C882.
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