What do you mean by scraping ash on the wall?

Scraping the wall refers to the construction technology of painting and plastering the surface of the external wall to make it flat, smooth, durable and beautiful in the reconstruction of new buildings or old buildings. That is to say, paint the plaster on the wall, scrape it flat with a knife, and push it repeatedly with a metal trowel to make the plaster spread all over the wall and form a flat gray film.

In building engineering, scraping the wall is a very important link. It can not only protect the whole structure of the wall, prevent the wall from being affected with damp, earthquake and damage, but also beautify the wall and improve the overall aesthetics of the building. In addition, scraping the wall can also increase the thermal insulation of the building and improve the energy-saving effect of the building.

Some matters needing attention in scraping the dust on the wall. First of all, we must ensure that the wall is dry, and it is not allowed to scrape ash on the wet wall, otherwise the mortar foundation will be unstable and affect the construction quality. Secondly, we should choose good quality mortar, and we should not blindly pursue low prices, which will lead to quality problems in the construction process. In addition, the construction must be carried out in strict accordance with the process standards to ensure that every step of the operation meets the requirements and ensure the construction quality.