First, grassroots clean-up.
Before the construction of coating waterproof layer, the gray skin on the surface of the grass-roots unit should be removed, and the dust, sand and other sundries should be cleaned with a broom, especially the pipe root, floor drain and drain outlet. If there is oil stain, brush it off with a wire brush and sandpaper. The surface of the base must be smooth, and the depressions should be filled with cement putty. ?
Second, the details of the additional layer construction
1, after opening the packaging barrel, stir evenly. It is forbidden to dilute this product with water or other materials.
2. Construction of detail additional layer: Dip the prepared paint with a paint brush and brush it evenly on the weak parts that are easy to leak, such as pipe root, floor drain, yin and yang corners, so as not to miss painting. After the surface is dried for 4 hours at room temperature, the second coating waterproof coating is applied. After 24 hours' efforts, the large-area coating waterproof layer can be constructed, and the thickness of each additional layer should be 0.6 mm?
Iii. Coating Waterproof Layer Construction The general thickness of HB special waterproof coating for kitchen and bathroom is 1. 1mm, 1.5mm and 2.0 mm. According to different design thicknesses, coating construction can be carried out in two or three times. ?
1, open the packaging barrel and mix well first.
2. The first coat: waterproof mixing HB kitchen and bathroom.
Extended data
Precautions for laying floor tiles in kitchen and bathroom:
1. First, the wall tiles should be laid from bottom to top, and you can't stick one wall to the top at a time. Joints are generally1~ 3 mm. Second, the flatness and cracks of the wall should be handled before paving. Third, the center of the bonding material should be slightly higher than the periphery, and the outer surface should be fixed with a rubber hammer to prevent air from accumulating in the bonding layer. We need to do a proficiency test together.
The ground should be flat. Some civil buildings are uneven. In this case, we should smooth the uneven place with cement mortar. When laying, you can frame the surroundings with tiles of different colors (darker), while the tiles in the frame are lighter in color. Of course, the floors of the kitchen and bathroom must be tilted, so as to facilitate drainage.
3. Another thing to pay attention to in tile decoration is the treatment of waterproof layer. Construction technology and matters needing attention of wall and floor tile paving. Pay more attention to the local walls of the kitchen and bathroom. Because replacing tiles usually destroys the original waterproof layer of cement mortar. The remedy is to lay a layer of asphalt waterproof layer before tiling. Joints between tiles should also be filled with white cement.
4, brick surface should be set flat, accurate point of view, the interface should be aligned. The ceramic tile net should be soaked for half a day before use. The bathroom floor should have an appropriate slope, and the ceramic tile interface should not accumulate water. After sweeping the white cement, the white cement should be brushed with rattan silk, and no cement stains can be left on the brick surface. After the floor tile is laid, cover the brick surface with cardboard, etc. And walk on the brick surface at least 24 hours later.