How long can the exterior wall waterproof coating last? Matters needing attention in construction of waterproof coating for external wall

Coating a layer of paint on the surface of a building is not for beauty, but more importantly, these paints can form a protective layer on the surface of the building, which can play a decorative role of waterproof, mildew-proof and moisture-proof, and can effectively prolong the service life of the building, so waterproof coatings for external walls also exist. Coating a layer of paint on the surface of a building is not for beauty, but more importantly, these paints can form a protective layer on the surface of the building, which can play a decorative role of waterproof, mildew-proof and moisture-proof, and can effectively prolong the service life of the building, so waterproof coatings for external walls also exist. As we all know, the waterproof coating for exterior walls is transparent and does not affect the original appearance of the whole building, which is also the designer's first choice. How long can the exterior wall waterproof coating last? Matters needing attention in the construction of exterior wall waterproof coating will be introduced in detail for everyone.

How long can the exterior wall waterproof coating last?

Transparent exterior wall adhesive in the case of no problems in construction. The quality of paint can last 15 to 20 years. Construction and paving method of APF waterproof coating in underground waterproof engineering: After the construction of structural side wall is completed, APF waterproof coating is directly paved on the side wall, and then the protective wall is laid. Exterior wall coatings need to be maintained every two to three years.

1, first pour the waterproof structure ground concrete layer;

2. Masonry on the cushion can be used as a long-term protective wall, and the height of the wall should be 20 ~ 50cm； greater than the thickness of the waterproof structure floor;

3. Put 1:3 cement mortar leveling layer on the cushion and long-term protective wall, and put corners into rounded corners;

4. Before laying APF waterproof coating in a large area, first lay an extra layer of coiled material at the corner, then lay coiled material in a large area, first lay the ground, and then lay the facade. The coiled material waterproof layer should be pasted on the cushion layer and the long-term protective wall. The coiled material waterproof layer should be temporarily attached to the temporary protective wall, and the upper end of the wall should be protected by temporary fixing materials.

5. Protect the coiled material waterproof layer on the wall. After completion, it should be used as a protective layer to avoid damage to the waterproof layer in the subsequent process construction.

Matters needing attention in construction of waterproof coating for external wall

1, waterproof coating before use, to check the label, stir well, remember to cover after use.

2. Waterproof coatings should be stored at the specified temperature and conditions according to the product instructions. Too high or too low temperature is not suitable for the preservation of exterior wall waterproof coatings.

3. Pay attention to the finished product protection of the building when painting, so as to prevent man-made pollution caused by cross operation. If the construction wall is dirty again, you can gently scrub it with dry and wet cloth. If it is too serious, it needs to be repainted.

4. Pay attention to the weather forecast before construction to avoid construction in rain and snow.

5, besmear brushs tools after use, remember to clean up in time.

The above is about "how long can the exterior wall waterproof coating last?" Precautions for construction of exterior wall waterproof coating. Knowing the construction precautions in the construction work can make the waterproof project get twice the result with half the effort, and there will be no problems in the construction, so as to nip in the bud. As for the service life, it is not clear. It is ultimately determined by many factors and cannot be generalized.