Necessity of open balcony waterproofing

In rainy seasons, it is common to experience heavy rain. Keeping the balcony open drain is also part of the waterproofing of the balcony. When the rainfall exceeds the drain capacity of the floor drain, there is a good chance that water will accumulate on the floor.

When the water volume is too large, it will invade the room through the waterproof box. If the room is a wooden floor, it will not only cause inconvenience to the life, but also bring about unnecessary economic losses. This situation is unlikely to happen, but it cannot be. main idea.