Waterproof coating is a very common decoration material that can effectively prevent moisture infiltration and protect buildings from moisture and mold. Waterproof coatings are also widely used in home decoration. This article will introduce the construction methods of waterproof paint, helping you understand how to use waterproof coatings correctly.
1、 Preparation before construction
- Cleaning the base layer: Before construction, it is necessary to clean the dust, dirt, oil stains, etc. on the surface of the base layer to ensure the adhesion of the waterproof coating.
- Wetting the base layer: If the base layer is relatively dry, it is necessary to wet it with clean water to avoid the waterproof coating from cracking due to rapid water loss.
- Ingredients: According to the ratio instructions provided by the waterproof coating manufacturer, mix the coating and water in proportion and stir evenly.
- Pre coating: Apply a layer of pre coating on the wall surface that requires waterproof coating to enhance the waterproof effect.

2、 Construction method of waterproof coating
- Apply the first layer of waterproof coating: Apply the first layer of waterproof coating on top of the pre coating, with the coating direction perpendicular to the pre coating and the coating thickness should not be too thick.
- Apply the second layer of waterproof coating: After the first layer of waterproof coating is dry, apply the second layer of waterproof coating. The application direction of the second layer of waterproof coating should be opposite to that of the first layer to enhance the waterproof effect.
- Apply the third layer of waterproof coating: If necessary, apply the third layer of waterproof coating after the second layer has dried. The application direction of the third layer of waterproof coating should be opposite to that of the first and second layers.
- Construction of special areas: For special areas such as kitchens and bathrooms, special waterproof coatings are required for construction. For example, when constructing on the floor, it is necessary to use floor specific waterproof coating; When constructing on the wall, it is necessary to use wall specific waterproof coating.
- End treatment: The end of the waterproof coating should be sealed to prevent moisture infiltration. The finishing treatment can be carried out using materials such as sealant and waterproof coating.
- Waterproof test: After the completion of waterproof coating construction, a waterproof test is required to verify the waterproof effect. During the experiment, it is necessary to observe whether there is any water leakage and promptly handle it.

3、 Precautions
During the construction process, safety precautions should be taken to avoid accidents.
When applying waterproof coating, it is important to ensure even application and avoid any omissions.
After the construction is completed, it is necessary to conduct acceptance to ensure good waterproof effect.
When using waterproof coatings, it is necessary to choose the appropriate type and thickness of waterproof coating according to different usage scenarios.
When conducting waterproof tests, it is necessary to operate according to the requirements to avoid unnecessary losses.
In short, waterproof coating is a very practical decoration material that can effectively prevent moisture infiltration and protect buildings from moisture and mold. During the construction process, it is necessary to pay attention to safety precautions and construction details to ensure good waterproofing effect.