1. The powder and water ratio of the grout is slightly different depending on the width of the brick gap and the dryness of the environment. The narrow gap can be relatively thinner. The width of the brick gap should be 1.5~5mm (when using coarse sand grout, The width of the brick gap is 2~13mm).
2. Do not use acidic cleaners to clean the caulked tiles.
3. It cannot be constructed outside of 5-40℃ and under rainy conditions.
4. Special joint sealants such as neutral glue should be used at the expansion joints.
5. During the construction, try not to have too thick joint filler remaining on the brick surface, so as not to be difficult to clean after bonding.
6. Avoid pressing, scratching and raining on the jointed tiles and jointing agent within 24 hours.
7. After the construction of the black caulking agent, clean the base surface with a dry cloth as soon as possible (within 10 minutes). Wait for 24 hours to dry, then clean the remaining stains with water to avoid whitening of the caulk.
8. Expansion joints should be left during large-area construction. 5-6 hours after construction, it needs to be cured once, and after 24 hours, it needs to be cured for the second time.
9. The product is corrosive and should avoid contact with eyes. If it accidentally gets into it, rinse it with plenty of water immediately. In severe cases, it should be sent to the hospital immediately.