Still worrying about outdoor waterproofing? Top 10 brands of tile glue are sure to teach you the key points of outdoor waterproofing.
Nov 22,2023
Balcony is easy to be soaked by rain, home decoration, in addition to the bathroom waterproof, balcony waterproof also want to do a good job. We all know that waterproof is an important part of family decoration, so how to do a good job of outdoor terrace waterproof?


Balcony waterproof layer due to exposure to nature, by the hot sun exposure, wind blowing, rain and snow erosion, cold heat temperature torture, no good performance and good protection measures, it is difficult to achieve the required durability. Therefore, waterproof materials with high tensile strength, high elongation and good aging resistance should be selected.
Select the floor drain with smooth drainage

In heavy rain and typhoon, when the rainfall is greater than the drainage capacity of the floor drain, it is possible to form water on the balcony floor. When the water volume is too large, it is possible to overflow the waterproof frame of the sliding door and enter the room. Therefore, in the choice of balcony floor drain, it is better to choose a larger displacement, smooth drainage floor drain.

The unclosed balcony will enter a large amount of water in case of rainstorm. In order to prevent rainwater from flooding into the room, the horizontal inclination should be considered when decorating the ground to ensure that the water can flow to the drainage hole and the water cannot flow to the room. The balcony floor should be 30-60mm lower than the indoor floor floor, and a gentle slope should be made to the drainage direction. The outer edge should be provided with water retaining sill to guide the water into the rainwater pipe for discharge.

Generally speaking, the painting height of waterproof coating in balcony area should not be less than 30cm, and the requirements for coating construction height are higher in places where washing machines are placed. If it is an exposed balcony, in order to strengthen the waterproof effect, it is recommended to do higher. In terms of thickness, the waterproof coating must be brushed to the national acceptance specification of 1.5mm thick.

For closed balconies, when wind and rain come, a waterproof closure in the balcony area is the doors and windows. The quality of doors and windows, especially the sealing requirements, must meet the standards, and the inside and outside directions of the waterproof frame must not be wrong.
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