How about bathroom floor drain waterproofing? What are the precautions?

Updated on Bathroom 2024-03-16
2 answers
  1. Anonymous users2024-01-23

    1. Match the floor drain in advance according to the diameter of the sewer pipe.

    First of all, it is a procurement process, not blindly going to the market, which is easy to buy wrong, and it will be troublesome to exchange for it. We should understand the caliber of the drain sewer pipe in advance, the current general 50 PVC pipe, if it is cast iron, it should be larger, the diameter of the purchased floor drain should match the diameter of the PVC pipe, the reserved hole for drainage is larger when handing over, and some will be trimmed during decoration, so it is necessary to do the drainage outlet according to the size of the floor drain, it is not recommended to trim the drain first, and then go to buy the floor drain.

    2. The location of the floor drain installation.

    Before the installation, we also need to determine the orientation of the placement, so that it is convenient to leave some slope to the place when laying the bricks, and the location of the floor drain is best at the edge of the tile, if it is in the middle of the brick, then it is not conducive to drainage.

    3. The connection between the floor drain and the sewer.

    Usually it will come with a small section of pipe, put it in the sewer pipe, and then aim the drain core at the drain and apply a layer of cement to basically no problem. If the floor drain will shake back and forth, or there are gaps, then it is easy to leak, so special attention should be paid to the bonding and sealing of the connection between the floor drain and the sewer pipe, which can be sealed with professional adhesives or glass glue.

    How to do the bathroom floor drain waterproofing.

    1. Ground leveling.

    The first thing to do is to level, use cement cementitious material to operate, and only after the level reaches the standard can the next step begin, so as to avoid leakage caused by uneven thickness of waterproof coating.

    2. Determine the elevation.

    This is a very critical step, after clarifying the vertical height, then the stable layer to find a certain gentle slope, laying the leveling layer, sealing and waterproofing around the floor drain, laying the waterproof layer of the additional layer, water storage test, etc.

    3. Clean and smooth.

    When the main parts and pipes are arranged, the surrounding impurities should be removed, and then the template is supported at the bottom of the slab, then watered to make it wet, and finally poured fine stone concrete, tamped, plugged, and smoothed.

    4. Find a slope and leave a groove.

    Find a slope of 1% 2% from the flat ground to the place where the main piece is arranged, the slope near 50mm should be 3% 5%, and the perimeter should leave a 20mm 20mm groove.

    5. Water storage test.

    Observe carefully, and only if there is no leakage can it be considered qualified.

  2. Anonymous users2024-01-22

    1. Ground leveling. The first thing to do is to level, use cement cementitious material to operate, and only after the level reaches the standard can the next step begin, so as to avoid leakage caused by uneven thickness of waterproof coating.

    2. Determine the elevation. This is a very critical step, after clarifying the vertical height, then the stable layer to find a certain gentle slope, laying the leveling layer, sealing and waterproofing around the floor drain, laying the waterproof layer of the additional layer, water storage test, etc.

    3. Clean and smooth. When the main parts and pipes are arranged, the surrounding impurities should be removed, then the template at the bottom of the slab, then watered to make it wet, and finally poured fine stone concrete, tamped, plugged, and smoothed.

    4. Find a slope and leave a groove. Find a slope of 1% 2% from the flat ground to the place where the main piece is arranged, the slope near 50mm should be 3% 5%, and the perimeter should leave a 20mm 20mm groove.

    5. Water storage test. Observe carefully, and only if there is no leakage can it be considered qualified.

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