>>> Acceptance standard of decoration waterproof layer
Tip 1. Do not damage the original waterproof layer as much as possible. The waterproof layer is generally used on newly delivered buildings. Therefore, leakage will not occur if the original waterproof layer is not damaged.
Advice 2, resurfaced floor tile to do waterproofing If you need to replace the original floor tiles in the bathroom, after the original floor tiles are removed, you must first level the floor with cement mortar, and then do a waterproof treatment, so that the thickness of the waterproof coating can be avoided. Both cause leakage. Before doing waterproofing, be sure to clean the floor and apply 2 to 3 times repeatedly with a polyurethane waterproof coating.
Tip 3: The seam between the wall and the ground and the pipe seam between the upper and lower water are the most prone to problems. We must supervise the workers to handle these corners. The waterproof coating must be applied. In place.
Poster 4: The decoration team is required to do a good job of cement lining for the upper and lower water pipes of the toilet. Brush a 10 to 20 cm polyurethane waterproof coating upward from the floor, and then redo the polyurethane waterproof on the ground. Add the original waterproof layer to form a composite waterproof. Layer to enhance waterproofness.
Tip 5: Be sure to do waterproofing on the walls. Before wall tiles, do waterproofing on the walls. In the general waterproofing process, the wall surface is to be treated with a waterproof height of 30 cm. However, for a non-load-bearing lightweight wall, the entire wall should be waterproofed, and at least 1.8 meters high should be achieved.
Tip 6: The waterproof surface of the wall adjacent to the shower position should also be 1.8 meters high. If you use a bathtub, the height of the waterproof coating on the wall adjacent to the bathtub is also higher than the height of the bathtub.
Tip 7: The waterproof groove in the wall should be waterproof. When the pipeline and floor drain pass through the floor during construction, the waterproof layer around the hole must be seriously constructed. Buried water pipes in the wall, so that a reasonable layout, the laying of water pipes shall be greater than the diameter of the groove, smooth plaster groove, and then brush the groove in the polyurethane waterproof coating.
Tip 8: Use the 24-hour "water storage test" to check and waterproof. After the waterproof project is completed, close the door and the water outlet. Fill the toilet floor with water to a certain level and mark it. Within 24 hours If there is no apparent decrease in surface, there is no leakage in the roof of the house, especially downstairs, and the waterproof will be qualified.
For the acceptance of lightweight wall waterproofing construction, a watering test shall be adopted, even if the water pipe is sprayed continuously from top to bottom on the waterproof paint wall for 3 minutes, and after 4 hours, observe whether the other side of the wall is on the opposite side. Infiltration phenomenon will occur, if no penetration phenomenon can be considered wall waterproof construction acceptance.
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