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Anonymous users2024-01-24Remove the nut of the expansion bolt, and then push the threaded end one centimeter, and see that the iron circle part of the outer ring is pulled out with needle-nose pliers, and then the screw is taken out.
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Anonymous users2024-01-23Remove the nut of the expansion bolt, and then push the threaded end one centimeter, and see that the outer ring of the iron sheet round noisy yard ring part is pulled out with needle-nose pliers, and then the screw is taken out.
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Anonymous users2024-01-22The principle of the expansion bolt is to hit the expansion bolt into the hole on the ground or wall, tighten the nut on the expansion bolt with a wrench, and the nut trouser bolt goes out, but the outside of the metal sleeve does not move, so that the big head under the bolt expands the metal sleeve to make it full of the hole, at this time, the expansion bolt can not be pulled out.
Disassembly method: 1. Remove the nut of the expansion bolt.
2. Push the threaded end one centimeter, see the iron circle part of the outer ring and pull it out with needle-nose pliers, and then take out the screw.
Regardless of whether the expansion screws of your house have penetrated the roof board, as long as the waterproofing of the upstairs is done, there will be no water leakage. Only if the upstairs is not waterproofed will there be a source of water leakage. There should be a gap between the large expansion screw and the roof slab so that water will leak down the gap.
The bathroom has a waterproof layer, and then sticks stone bricks, about 5cm thick, and it will not leak if it is not drilled through the waterproof layer. Do you want to install a door top magnet? The best results are mounted on the wall. >>>More
Redo waterproofing The others are palliative, not curative.
This is very troublesome, you need to redo the waterproof treatment from the top to achieve the waterproof effect, you can also take out the expansion bolt, and then plug in the waterproof glue, and then install the expansion bolt, which also has a waterproof effect.
The open pipe is cut off, a wire plug is installed, and it is buried in the wall