How high is the water level of the closed water test in the bathroom?

To temporarily block all the sewers in the bathroom, and build a 25 cm high "kan" at the door, and then pour about 20 cm high water into the bathroom, the closed water experiment should be more than 24 hours, which is the key to ensure the quality of the bathroom waterproof project, to carefully check whether there is leakage on the surrounding walls and ground, especially to the downstairs bathroom to check whether the roof is dripping, wet, etc., after determining that there is no leakage, the construction can continue.

Bathroom is usually the most humid in the family, but also the most prone to water leakage, in the waterproof decoration, if you do not use a certain measurement means, it is difficult to detect the waterproof effect of bathroom decoration, if the measurement is not accurate, it will also affect the bathroom waterproof problem in the future, but also may cause trouble to neighbors. Therefore, in the process of bathroom decoration, the closed water test.

It is very necessary.

The method of "closed water test": put 2 to 3 cm of water in the bathroom before renovation, let it stand for 24 to 48 hours to check if there is any water, and then go downstairs to see if the water is leaking. If there is basically no less water, and no water seepage is found downstairs, it means that the bathroom waterproofing is done well, otherwise, it means that the waterproofing is not done well and needs to be re-waterproofed.

Knowledge development] In the decoration process of the bathroom, there is a very important project, that is, the waterproofing of the bathroom. This is usually to test whether the waterproofing project of the bathroom is good or not, we will use a method, that is, the "closed water test".

24 hours to 48 hours.

Under normal circumstances, the closed water test of the toilet can be done after 24 hours after the completion of the waterproof work. A closed water test should be between 24 and 48 hours.

If the closed water test is more than 48 hours, then the ground may appear peeling; However, if it is less than 12 hours, it is generally difficult to check whether there is any leakage in the waterproof layer.

Precautions for closed water test

When the bathroom is closed water test, the ground should be filled with water first, and the water level height should generally not be lower than 20, preferably between 30 and 40 is more appropriate. Then observe if there is a very significant drop in the water level.

When doing the bathroom closed water test, you also need to go downstairs to carefully check whether there is water leakage in the downstairs ceiling or pipes, etc., in the early stage of the water storage test every 1 hour should be checked downstairs, and every 2 3 hours in the later stage to the downstairs inspection, if there is no water leakage, the waterproof project is generally qualified.

However, if it is found that there is a water leak downstairs, the closed water test should be stopped immediately. At this time, the waterproof layer is re-improved, and the closed water test is carried out after the treatment is qualified.

Is it normal for the water level to drop by 5 mm in 1 hour in the closed water test in the summer, you do it well, theoretically drop 1 3 cm normally, and the water level drops normally for 24 hours after the waterproof water test, which is one of the natural phenomena, especially in summer, the temperature is too high, and the natural evaporation is very powerful, so the water level of the bathroom is reduced, which is very normal, and does not affect the progress of the construction of the installation and repair at all. After the waterproof coating is dry, you can start the test work, first put water in the bathroom, which is about 30 cm away from the ground; Then wait for 24 hours, and then observe whether there is a problem of water seepage downstairs, if the water level is not reduced, it means that the waterproof is qualified. But if you encounter hot and humid weather, you can also delay it for a few hours, don't be in such a hurry, or even wait until two days later, and then do a closed water experiment.

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Remember to learn to protect the waterproof layer, whether you choose to build slag backfill, or ceramsite backfill, avoid violent construction when backfilling, avoid building slag puncturing the waterproof layer, clean up the glass, iron wire, etc. in the building slag. Put the prepared sand in a plastic bag and block the floor drain to prevent the water from running away. Stick the sharp corners into the floor drain opening, and then plug the floor drain around it tightly.

It is best to use polyurethane for the waterproofing of the ground, and you can use ordinary waterproofing for the waterproofing of the wall. Waterproofing must be done well.

The final effect of our waterproofing construction can be tested. Because after we finish waterproofing, we still need to pave floor tiles in the bathroom, and then build a ceiling and so on. When laying the bricks of the bathroom, the floor tiles should be laid to protect the waterproof layer of the ground, especially the flexible waterproofing, and the paving must be careful.

It is carried out after the construction of the equipment and finishes is completed. The equipment here mainly refers to the installation of water heaters, sanitary ware and other equipment; Finishes mainly refer to tile paving.

See if the water level has dropped significantly, carefully check whether there is leakage on the surrounding walls and ground, or observe whether there is water seepage from downstairs, if so, please check whether there is leakage, dripping, dampness and other phenomena around the roof and pipes downstairs in time. When laying floor tiles, let the master be especially careful not to break the waterproof layer, and not to let the sand and ash fall into the drain and block, otherwise it will leak. Bathroom waterproof painting after acceptance Each waterproof layer is completed, and the supervision engineer checks and confirms that it meets the requirements, before the next waterproof layer painting construction can be carried out.

The entire ground coated with closed water test should be soaked in water, generally 1 cm is enough, but the water is afraid that the water will evaporate in the next 48 hours, so it is 2 cm high. The first key point of the construction design of the threshold is to pay attention to the upper plane of the threshold to the inside of the bathroom, so that the water can smoothly slide to the floor drain inside the bathroom. The water tank should be inspected and should not leak.

The water tank should be fixed in the pool, and the filling depth of the water tank can be about 20cm.

There are two kinds of closed water experiments in the bathroom, one is the water test after the bathroom floor is waterproofed, and the other is the water leakage downstairs after the floor tiles are pasted. However, I think that the bathroom only has a floor drain after pasting the floor tiles, and there is no floor drain just after the waterproofing. You can do a closed water test first when there is no floor drain, and you can know the water leakage more intuitively.

The bay window with steps is the real bay window, the floor-to-ceiling bay window is a fake bay window, the real bay window generally extends outward without landing, so in general, it is not included in the construction area, and the fake bay window is on the ground will be included in the construction area, the real and false bay windows also have their own benefits, everyone can come according to their preferences when choosing a house.

Prepare the materials, in case you can't find the tools and are in a hurry, deal with the base of the bathroom, check the water and electricity, brush the waterproof paint must be carefully brushed, and the protective layer is paved to avoid subsequent construction damage to the waterproof layer.

The toilet closed water test generally takes 24 hours.

The water storage depth of the water storage test should not be less than 20 mm, the water storage height is generally 30 40 mm, and the water storage time shall not be less than 24 hours.

This test is generally done on the roof, bathroom or room with waterproof requirements. In the early stage of the water storage test, it should be inspected downstairs every 1 hour, and in the later stage, it should be inspected downstairs every 2 3 hours. If water leakage is found, the water storage test should be stopped immediately, the waterproof layer should be re-improved, and the water storage test should be carried out after the treatment is qualified.

To temporarily block all the sewers in the bathroom, and build a 25 cm high "kan" at the door, and then pour about 20 cm high water into the bathroom, the closed water experiment should be more than 24 hours, which is the key to ensure the quality of the bathroom waterproof project, to carefully check whether there is leakage on the surrounding walls and ground, especially to the downstairs bathroom to check whether the roof is dripping, wet, etc., after determining that there is no leakage, the construction can continue.

For more than 24 hours, it is recommended to do a 48-hour closed water test.

The recommended closed water test time is 48-72 hours, at least more than 24 hours. The purpose of the closed water test in the bathroom is to check whether there is any omission in the waterproof construction and whether the waterproof function is normal. The closed water test, also known as the water storage test, should be filled with water, and the water should have a sufficient volume.

The water storage depth of the water storage test should not be less than 20mm, the water storage height is generally 30-40mm, and the water storage time shall not be less than 24 hours.

The closed water test first blocks the drain, releases the water, covers the toilet floor, and stores water for one day for testing.

Closed water test, water meter idling test:

a. The specific method is to fill the sand with a plastic bag in the bathroom of your home, plug all the floor drains, and then fill it with water and keep it for 24 48 hours, without leakage, indicating that the waterproof is qualified.

B, open the upstairs tap water valve to release the water should be put to the maximum, hurry up to see their own water meter, the water meter does not run, indicating that the water meter is qualified, because there has been someone else's household water, their own water meter to help run the phenomenon, indicating that the water meter is unqualified, must be replaced.

c. The closed water test is over, lift the sandbag on the floor drain, and put the water away, at this time, observe that there is still water on the floor after the water is all released, indicating that the ground is uneven, and the floor tiles at the water storage site should be smashed off, and the floor tiles will be laid after the waterproofing is redone until the water is not stored.

Bathroom: a. If there is a window in the corridor in the bathroom, an anti-theft net should be installed.

b. If there is no window in the bathroom, there should be ventilation holes. The ventilation hole is 10 cm in diameter and is located under the ceiling. The nearest outlet to the vent should be at a distance and is a waterproof outlet.

c. When there is no ventilation shutter on the bathroom door, a gap of 3cm should be left under the door (national standard "Residential Design Code").

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The purpose of the toilet closure water test is to check whether the waterproof function of the toilet bowl is normal in the morning. The toilet bowl must be filled with water, and its depth should not be less than 20mm, usually between 30 and 40mm. At the same time, the water storage time should not be less than 24 hours, and attention should be paid to the situation downstairs.

If there is no leak in the roof downstairs, it means that the toilet is waterproof. 1.Plug the floor drain by packing the sand in a plastic bag and plugging the floor drain firmly so that the stored water is not lost.

2.A water barrier must be placed on the door of the toilet, so cement needs to be used as a water barrier. If the toilet floor is relatively low, there is no need to set up a waterproofing layer.

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There is no clear standard for the water level height of the closed water test in the bathroom, but the water storage is generally not less than 20mm, and the water storage height is generally 30-40mm.

What should be paid attention to in the closed water test of the toilet 1. Water storage time.

According to the requirements of the construction industry, the general water storage test time is not less than 24h. In other words, we have to wait until 24 hours after the toilet is filled to see if there is any leakage in the next floor. Some renovation workers are after the finger ridge half a day downstairs to see, if there is no leakage, start to lay bricks, which is not right, because it takes a long time for waterproof cracks to seep water.

2. The height of the water storage.

There are many risers in the bathroom, and the height of the water storage must be measured from the part of the joint between the riser and the ground, and the water storage is generally enough to 20-30mm from the highest point.

3. Treatment of the wall.

If there is a shower in the bathroom, be sure to do a water test on the wall, so as not to seep water into other rooms after the wall tiles are pasted. The water is to take a rubber water pipe to flush the wall, one wall is about 5 minutes to water, and then check the other side of the wall to see if there is any water seepage.

4. Closed water for the second time.

After the construction of bathroom walls and floor tiles is completed, it is necessary for us to do a second closed water test. Because in the construction of ceramic tiles, it is not guaranteed whether the waterproof layer is damaged. When the water is closed for the second time, all the nozzles on the ground are blocked, and the time and height of the water release are the same as the first time the water is closed, so that if there is no water leakage, you can sit back and relax.