Details

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• The substrate should be clean and sound. Free from any contamination including oil, grease, laitance and dust. For maximum bonding, the surface should be roughened and dampen with clean water.
• Immediately prior to grouting remove free standing water.
• Metal surface must be free from rust, scale, oil or grease.
• Ensure voids and cavities are free from dust, water or any loose materials. Formwork should be well sealed to prevent leakage.