The typhoon struck and the rainy season continued. The exterior paints were under tremendous pressure. Several simple methods for exterior wall leak prevention projects:
First, clean up the basic part of the external wall, the key parts to be focused on the treatment, especially difficult to brush the exterior wall parts, we have to strengthen the treatment, brushing twice waterproof primer.
Second, distinguish the waterproof coating, base coating and waterproof material, improve the adhesion of the outer wall material and the base layer, must be uniform when brushing, fully into the concrete base layer, in order to improve the shear strength and bond strength.
Third, strictly according to the requirements of matching waterproof coating, the proportion should be accurate, do not cut corners.
Fourth, waterproof coating should be evenly stirred, stirring for five minutes, you need to mix the paint, stir until the liquid mixture is completely uniform.
5. Make sure that the waterproof coating is well-mixed and start applying the waterproof coating. The waterproof coating must not exceed 30 minutes from the end of stirring until the coating is completed.
Sixth, the first coating of the first coating is about four to eight hours after the completion of brushing, and then brushing the second and third sub coatings, the first, second and third brushing thickness are 0.5mm, must be painted before coating Wait until the paint is completely solidified before the paint can be applied again.
Seven, waterproof coating can be applied according to the situation of the external wall of the waterproof project, brushing multiple times, but must be brushing to complete.
In the case of leakage, as long as you follow the above seven points, you do not need to ask professional people!