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Anonymous users2024-01-24Moisture-proofing of pipes is the plumber's business.
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Anonymous users2024-01-23Masons and bricklayers are the same.
The waterproofing of the bathroom is generally done by the mason, and the waterproofing is done before the bricks are laid, and the owner accepts and signs before laying the bricks.
This must belong to the decoration, and the main body of the general wall is to complete the plastering.
It can be approved by the mason, or it can be approved by the brick-laying man, and then the brick-laying is waterproofed and then tiled. He'll do a better job of waterproofing. Plumbers do it roughly.
Waterproofing, of course, is done by bricklayers, if there are original bricks, the original bricks need to be smashed and then disposed of.
There is no express prohibition, but the industry norm is generally not to do so. >>>More