Underwater cementitious grout
CBGM-70 Underwater Anti-Washout Grout
A ready-to-use, high-strength, shrinkage-compensated cementitious grout for direct underwater placement in offshore foundations, ports, bridge piers and marine repair zones.
Recommended uses
Where this material fits.
- Underwater void filling and foundation grouting
- Offshore wind and marine infrastructure
- Bridge piers, ports, jetties and submerged concrete
- Zones exposed to flowing water during placement
Performance benefits
What the system is designed to deliver.
- Anti-washout behavior for direct underwater application
- High flow with retained workability
- Rapid early strength development
- Shrinkage compensation for reliable contact
Technical data
Requirements and reported values, separated.
“Requirement” is the stated acceptance threshold or range. “Actual result”, “typical value” and “published value” are not guaranteed minima unless the requirement column says so. Final acceptance must follow the approved TDS, report, test method and project conditions.
| Property | Minimum / specified requirement | Typical / reported value | Test method / source |
|---|---|---|---|
| Initial flowability | ≥290 mm | — | Published product requirement |
| 30-minute flowability | ≥260 mm | — | Published product requirement |
| 1-day compressive strength | — | Typical value23.9 MPa | Published product data |
| 3-day compressive strength | ≥30 MPa | — | Published product requirement |
| 28-day compressive strength | — | Typical value79.3 MPa | Published product data |
| Placement environment | — | Published valueDirect underwater application | Application statement; method trial required |
Technical brochures & references
Supporting product material.
These brochure and reference pages support technical review but are intentionally not used as product main images. Refer to the approved TDS and report for acceptance values.
Technical enquiry
Check whether CBGM-70 Underwater Grout matches your project.
Include foundation type, grout geometry and volume, strength ages, flow requirement, temperature, standards, placement distance and equipment.