Can tiles be directly waterproof?

You can't directly waterproof the tiles. Tiles have no adhesion, so waterproofing is difficult to dry, so waterproofing has no effect. In addition, if the tiles are directly waterproof and then repaved, the height of the floor will become lower. If you want to be waterproof, you'd better knock out all the original tiles.

How is the new house waterproof?

1, the bottom should be treated first. Remove the original decorative materials, clean up the eluvial soil and cement, and require a flat appearance without drilling holes.

2, besmear brushs waterproof coating. Brush it on the waterproof bottom layer, and brush it again after it is stuffy (about 2-4 hours) before the waterproof treatment is over. Waterproof coating should be painted evenly, and there should be no brush leakage, bulging and falling off, otherwise the waterproof effect will be affected. A layer of glass fiber cloth can be laid at the corner of yin and yang and the root of the pipeline for reinforcement. If you choose polyurethane as waterproof coating, you can brush it for 2-3 times repeatedly. Polyurethane coating itself can form an elastic protective film, which has a certain stretching function. In order to improve the waterproof function, a layer of glass fiber cloth can be laid, but the cost will increase.

3. Do closed water test, which is an important inspection method to check indoor waterproof quality. After the waterproof project is completed, seal the door and drain, and fill the room with water to a certain level. If the liquid level does not drop significantly within 24 hours, it is qualified. After the closed water test is completed, make a protective layer of cement mortar on the waterproof coating, and be careful not to damage the waterproof coating. After the protective layer of cement mortar is dry, it can be paved with wall tiles or paint spraying for normal decoration.

What should I pay attention to when doing waterproofing?

1, the choice of waterproof materials must be safe and environmentally friendly: at present, the waterproof materials market is mixed, but the price difference is not big, so when choosing waterproof materials, you must choose environmentally friendly materials suitable for home improvement from big brands.

2. Time for waterproofing: Waterproofing needs to be started after water heating and electric backfilling. After waterproof, you can lay tiles or floors.

3. The places suitable for waterproofing are mainly bathrooms and balconies: the places that need waterproofing are mainly above the second floor to prevent water from leaking downstairs. Generally, the high incidence of water leakage in new houses is 3-5 years after occupancy. After check-in, the bathroom is often soaked in water, and it usually takes 3-5 years for the water to saturate and then leak downstairs.

4. Waterproof height of wall: Generally, the waterproof height of an open shower room is about 1.8 m, and that of other walls is 1.5 m, which is basically enough to protect the wallpaper or wall paint on the wall from moisture.

5, the details that the bathroom should pay special attention to: When the bathroom is waterproof, we must pay attention to the details to make the bathroom waterproof. Don't forget that the position of the doorstone at the door of the bathroom is always wet. That's the reason. Only a waterproof expert will tell you.

6. Waterproofing can also be done on the wet first floor, and its main function is moistureproof. The purpose of this is to prevent resurgence and protect furniture from infringement. Of course, it doesn't have to be done in every room on the first floor, but also in the vicinity of sewage pipes, bathrooms and kitchens.