At present, waterproofing of house is essential. How waterproof coating is used is a concern for everyone. Bathroom decoration and kitchen decoration will use waterproof coating. In recent years, waterproof materials have increased brand. JS composite waterproof material, polymer waterproof coating and so on are more common. Prices vary depending on the region. Here's a look at how to use waterproof and waterproof coatings.
How to use waterproof coating
First, the grassroots processing
Waterproof layer base layer (leveling layer): The surface of the base layer should be solid and have a certain strength, clean, clean surface, no floating soil, sand and other dirt, the surface smooth, smooth, no looseness, require smoothing calendering, for residual mortar block or protrusion The object should be flattened with a spatula.
Second, detail processing
1) Yin-Yang angle: A circular arc with a radius of 20mm should be applied at the connection between the floor and the wall.
2) Pipe root: After the wall pipe is positioned, the floor slab is closed with cement mortar. The joints around the pipe root and the ground are sculpted with cement mortar.
3) Pipes and fittings that penetrate the wall shall be securely installed with tight joints. If there is rust, oil stains should be cleaned with wire brushes, sandpaper, and solvents.
4) After the primary treatment, there should be no significant water accumulation above the grassroots.
Third, waterproof layer construction:
1. Stirring: firstly pour the liquid into the container, then add the powder slowly, and stir it thoroughly for 3-5 minutes to form a homogenous slurry with no powder group and particles; (preferably using a stirrer )
2, brushing: Brush or brush brush directly on the base surface, intensity of use, can not miss the brush; generally need to brush 2 times (according to the use requirements), each brushing thickness does not exceed 1mm; Slightly dry before the first time and then after the brushing (just not sticky, usually interval 1-2 hours), before and after the vertical cross brushing, brushing the total thickness is generally 1-2mm; if the coating has cured, coated When you brush the other layer, moisten with water.
3. Maintenance: After 24 hours of construction, it is recommended to use a damp cloth to cover the coating or spray water to cure the coating.
4. Protection: Please protect yourself from trampling, rain, sun exposure, and sharp damage before construction.
5. Check (closed water test): After the water-proof layer is dried (at least 24 hours in summer and at least 48 hours in winter), toilets, pools, etc. should be filled with water for 48 hours to check whether the waterproof construction is qualified. Lightweight walls must be tested for watering.
The amount of waterproof coating used: usually 1.5-2.0 kg square meters; the actual amount is determined by the use, the use of the site, the roughness of the base surface, and environmental factors.
Waterproof coating precautions
First, when using this kind of product, the temperature at that time must not be lower than 5 degrees Celsius, and it is required that no construction work can be carried out in rainy weather or in the construction site.
Second, when using this kind of product, be careful not to see the eyes and mouth. Once it is splashed in, it should be handled in a timely manner. For example, it can be cleaned with clean water. If it cannot be handled, it should be promptly taken to the hospital for medical treatment. Therefore, it is best to wear masks and glasses during construction.
Third, after the waterproof coating is brushed, wait until it is completely dry and then perform other constructions that can be used as the surface layer.
Fourth, we must know that the time for the film to dry completely takes approximately 3 days. If the environment is relatively humid, the time will increase. Once completely dry, be alert to experiments on water storage. Acrylic waterproof coating can be diluted with fresh water after use, but the amount of water should be controlled within 10%.
Editor's summary: The precautions on how to use waterproof coatings for waterproof coatings are introduced here, and we hope to help everyone. If you want to know more related information, you can pay attention to this website information.
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