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Five Star Structural Concrete ES 50 lb bag 29400
Five Star Structural Concrete ES is a high early strength, single component, permanent concrete repair material which provides a 60-minute working time. The extended set facilitates deep/large volume pours up to six cubic yards in a single lift. Five Star Structural Concrete ES produces a repair which is dimensionally stable and develops an integral bond to existing concrete.
- 60 minute working time
- High six-hour strengths
- Pumpable
$65.88
Five Star Structural Concrete ES
Five Star Structural Concrete ES is a high-early-strength, single-component repair mortar with a 60-minute working time for deep, large-volume pours. Migrating corrosion inhibitors and very low chloride permeability protect reinforcing steel while the mix bonds to existing concrete. Pumpable placements, high six-hour strength, and coating as early as 6 hours support machinery foundation rebuilds in under 24 hours.
Key Features
- 60-minute working time for deep, large-volume pours
- High six-hour compressive strength
- Pumpable, one-component mix
- Migrating corrosion inhibitor technology
- Coarse aggregate extension up to 80%
- Coat grouts and epoxies as early as 6 hours
Applications
- Deep, large-volume repair of concrete structures
- Machinery foundation rebuilds
- Concrete floor toppings and overlays
- Hot-weather concrete repair
- Heavy industrial repairs and retrofits
Technical Specifications
| Property | Value |
|---|---|
| Type | Single-component extended-set repair mortar |
| Working time at 70°F (21°C) | 60 minutes |
| Placement depth | 1/2-2 in neat; thicker with aggregate extension |
| Compressive strength (6 hr / 1 day / 28 day) | 3,000 / 4,500 / 7,700 psi |
| Bond strength (1 day / 7 day) | 2,000 / 2,500 psi |
| Chloride permeability at 28 days | Very low (<1,000 coulombs) |
| 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 |
| Scaling resistance | 0 after 50 cycles |
Product documents: Structural Concrete ES Technical Data Sheet
Frequently Asked Questions
When should a contractor pick Five Star Structural Concrete ES instead of Five Star Structural Concrete?
Pick Five Star Structural Concrete ES when the pour needs about 60 minutes of working time for deep or large-volume work. Standard Five Star Structural Concrete is the faster 15-minute set with about 2,500 psi at three hours.
How strong is Five Star Structural Concrete ES at six hours?
Five Star Structural Concrete ES typically reaches about 3,000 psi at six hours at 70 F.
When can coatings go over Five Star Structural Concrete ES?
Cement grouts, epoxy grouts, and epoxy coatings can go over Five Star Structural Concrete ES as early as 6 hours after placement, depending on site conditions.
Is Five Star Structural Concrete ES pumpable?
Yes. Five Star Structural Concrete ES is pumpable, which helps on deep or large-volume repairs.
Can Five Star Structural Concrete ES rebuild equipment in under 24 hours?
Yes. Five Star Structural Concrete ES is written for equipment rebuilds in under 24 hours, using the 60-minute working time at 70 F for deep or large-volume work.
What in-service temperature can Five Star Structural Concrete ES take?
Five Star Structural Concrete ES has a maximum in-service temperature of 400 F.
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