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What material is good for the external wall waterproof?What should the external wall be waterproof to do?

What material is good for the external wall waterproof?What should the external wall be waterproof to do?

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  • Time of issue:2021-11-22 15:21
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(Summary description)

What material is good for the external wall waterproof?What should the external wall be waterproof to do?

(Summary description)

  • Categories:Company News
  • Author:
  • Origin:
  • Time of issue:2021-11-22 15:21
  • Views:
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The external wall of the house has been blown by wind and rain for a long time, so the external wall must do a good job of waterproof, if the external wall waterproof is not good, it is easy to produce all kinds of quality problems, and even affect the internal wall wall of the residents, then what material is good for the external wall waterproof?How to do waterproof?

What material is good for the exterior wall being waterproof

1. Rigid waterproof mortar: also known as rigid mortar: water and mortar mixing ratio: for brushing: powder: water =25: (7-8), for stamping: powder: water =25: (6-7), after the coating does not need to be treated, can be directly tiled, more convenient.

2. JS polymer cement-based waterproof coating: the liquid material and cement are mixed with use. The active ingredients in the slurry can penetrate into the capillary holes of the cement substrate and integrate with the substrate to form a dense waterproof layer. The cost of this material is economical.For example, JS high elastic cement based waterproof slurry produced by waterproof material manufacturer.

3. Acrylic waterproof coating: there is no need to add other additives, easy to operate, direct brushing, coating with high bullet resistance, strong water resistance and weather resistance, construction in various complex bases, with remarkable effect.

4. Polyurethane waterproof coating: indoor and outdoor combination, after the brush is very thick, about 3 mm, the elastic tension in more than 200%, even if the substrate has a little cracking but it will not affect its waterproof effect, but it has a pungent taste.

5. Transparent waterproof coating of exterior wall: special for the waterproof of exterior wall cement foundation surface, ceramic tile surface, wall paint surface, etc.Good toughness, high strength, direct brush, dry after the formation of a transparent overall waterproof film, so that the external wall is more beautiful.

How should the exterior wall be made waterproof

1. According to the actual situation of the site, clean the original exterior wall coating of the waterproof part at the base part, especially the broken and loose parts of the base part shall be thoroughly removed to expose the hard foundation.

2. Clean the coating, dust, oil stains and stains on the surface of the waterproof base layer, so that the waterproof materials can stick firmly.

3. On the basis of clean grassroots treatment, high-grade "strong" brand silicone waterproof coating and water are diluted in the ratio of 1:2, mixed with high standard cement into ash paste, and do fine treatment of sand eye, honeycomb and cracking.

4. When repairing irregular cracks, cracks of more than 2mm shall be repaired with filament non-woven cloth and special paint for silicone exterior wall, so as not to prevent the crack to continue to expand.

5. Strengthen the treatment of the important parts around the window, eaves bottom, embedded parts, wall pipes and other on.

6. After the grassroots treatment to be repaired is dry, use the special waterproof coating with high-grade "strong" brand environment-friendly silicone internal and external wall paint to brush the project site according to the standards.

7. The waterproof coating shall be stirred evenly before the construction.

8. The coating shall be constructed by brushing method. The brushing direction and travel length shall be the same, and the brush shall not be omitted evenly.

9. Mechanical spraying should be uniform, pressing stubble in place, not to smooth the surface smooth.

10. Clean up the site after the construction.

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