The joint is rubbed after it has dried
CAUSES
1. The grouting was done with 'very-diluted-with-water' material.
2. Completed by the technician and other material in the grout.
3. Moisture has grown due to poor storage before use.
CAUSES
1. The grouting was done with 'very-diluted-with-water' material.
2. Completed by the technician and other material in the grout.
3. Moisture has grown due to poor storage before use.