Is there a waterproofing material that is made on top of the installed kitchen now?

Yes, there is a waterproof spray that can be sprayed on the wall. But this doesn't seem to be necessary.

No, the waterproof materials on the market now need to be constructed directly on the cement base surface, and it is necessary to do a good job of waterproofing first, and then carry out subsequent decoration processes such as tiling.

The kitchen is waterproof, the standard practice is that the ground needs to be done all, the wall is 30 cm high, the waterproof area behind the vegetable sink is 50 cm above the water outlet, and at the same time, because the kitchen is more prone to water seepage is the yin and yang corner, through the pipe, around the sanitary ware and other places, so as long as the kitchen and bathroom waterproof slurry is used and then in accordance with the following method of construction

1. Chisel the cracks and parts that need to be repaired such as the root of the pipe and the floor drain into a "V" shape, clean them, and sprinkle them with water to moisten them;

2. Add water (water-cement weight ratio 1:2 3) to the [permeable crystalline repair mortar] and mix it evenly, and carry out repair construction before the initial setting (within 5 minutes), and the root of the pipe, the perimeter of the floor drain, the yin and yang corners, and the root of the wall should be made into r angles;

3. After the final setting of the repair mortar, stir the powder and liquid material of [durable waterproof slurry] evenly, let it stand for 3 minutes, stir it again and evenly brush it on the base surface, and it should be cross-brushed twice, and only after the first surface is dry can the second construction be carried out;

4. Anti-stampede after completion, closed water inspection can be carried out after 48 hours.