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Don't you know the hairy ants upstairs, I'm also drunk when I see you so ignorant.
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This really can't be fully believed, it's the so-called osmotic crystallization. If there is a leak in the water pipe or drain, this method is ineffective. The best and safest way is to excavate, re-do waterproofing, and make the bathroom double-waterproof.
I have done many years of waterproof engineering, whether the brick-free waterproof can be used depends on the specific situation of your bathroom, the decoration has been more than five years or the decoration has not been waterproofed, it is recommended to smash the bricks, if it is not waterproof with the brick-free bricks.
Waterproof formulas are available, but they are not available. >>>More
1. Leak plugging spirit or plugging agent can be used to deal with waterproof and damaged places, but this is mainly for pipe walls, holes, etc. >>>More
At present, there is a kind of "bathroom without smashing brick waterproofing agent", which is divided into two groups: A and B. >>>More
I've used it and it works great, great.