Five Star Underwater High-Strength Grout 50lb Bag

Five Star Cementitious Underwater High-Strength Grout is an underwater pump grade, cement-based, non-shrink grout for pile restoration and similar applications. Exhibits positive expansion for shrink compensation.

Salt and Seawater Resistant
Non-Ferrous, Non-Corrosive
Non-Shrink from Time of Placement

$36.90

SKU

14452

Five Star Underwater High-Strength Grout – Cementitious Marine-Grade Grout

Five Star Underwater High-Strength Grout is a pump-grade, cement-based, non-shrink grout specifically designed for underwater and marine construction applications. Engineered for pile restoration, anchoring, and structural repairs, this grout delivers superior strength, corrosion resistance, and long-term durability. It meets ASTM C 1107 and CRD-C 621 specifications for non-shrink grout and contains migrating corrosion inhibitors for enhanced protection in freshwater, saltwater, and brackish environments. The material can be placed via tremie, pump, or pour, ensuring easy application even in submerged conditions.

Key Features:

Non-shrink, high-strength cementitious grout
Designed for underwater applications, including pile restoration
Corrosion-resistant with migrating inhibitors for enhanced durability
Can be placed via tremie, pump, or pour
Saltwater and seawater resistant
Non-ferrous and non-corrosive composition
Meets ASTM C 1107 and CRD-C 621 specifications
Provides positive expansion for shrink compensation

Technical Specifications:

Property	Value
Compressive Strength (1 Day)	3,500 psi (24.1 MPa)
Compressive Strength (7 Days)	8,000 psi (55.2 MPa)
Compressive Strength (28 Days)	8,500 psi (58.6 MPa)
Bond Strength (ASTM C 882, 28 Days)	2,000 psi (13.8 MPa)
Modulus of Elasticity (ASTM C 469, 28 Days)	5,200 ksi (35.8 GPa)
Early Height Change (ASTM C 827)	Positive Expansion
Working Time at 70°F (21°C)	60 minutes
Shelf Life	1 year in unopened packaging

Frequently Asked Questions:

What are the primary applications for Five Star Underwater High-Strength Grout?
This grout is ideal for pile repair, marine structure restoration, anchoring, and grouting areas exposed to freshwater, saltwater, or brackish water.

Can this grout be used for structural repairs?
Yes, it meets ASTM C 1107 and CRD-C 621 specifications, making it suitable for structural applications requiring high-strength, non-shrink properties.

How is the grout applied?
It can be placed via tremie, pump, or pour methods. Proper surface preparation and mixing according to specifications are essential for optimal results.

What is the working time of this grout?
The grout remains workable for approximately 60 minutes at 70°F (21°C), ensuring adequate time for placement.

For the latest technical specifications and application guidelines, visit Five Star Products.

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