The construction of epoxy floor requires that the moisture content of the base floor should not be higher than 8%. If the moisture content of the base floor is too high, the construction of epoxy floor paint can not be carried out directly, and the moisture content of the base should be reduced first. Usually, the solution to the problem of higher ground water content is based on the different water content of the ground surface and the specific product performance. Generally, it can be divided into the following categories:
1. Professional Base Waterproof Layer
Generally speaking, this kind of product is applied to the base surface with high water content, and the waterproof effect is achieved by coating a layer of anti-permeability coating. It is suitable for the base with increasing water content. This anti-seepage product is mainly used to prevent the seepage phenomenon caused by the rising water level after the completion of the resin floor system.
2. Moisture-proof Layer
This kind of product prevents groundwater from leaking to the ground by forming a moisture-proof layer connected with the ground. Because this method has a long-term protective effect on epoxy floor system, it is widely used in floor coating.
3. Moistureproof Base Coating
Many developers and manufacturers have developed professional moistureproof primer products for high moisture content base surface problems. This method also has relative protective effect on epoxy resin floor system, and has a wide application range.
4. Standard base coatings
In some special cases, according to the base water content, we need to coat the standard epoxy floor system with standard base coatings. Specific precautions and operation methods need to be carried out in accordance with the instructions of developers and manufacturers.
5. Moisture permeability system
To make up for the moisture resistance of the base coatings and epoxy floor coatings, many developers and manufacturers have developed moisture permeability systems. The moisture permeability system is designed to ensure the water vapor permeability of the material, and also applies to the base surface of the waterproof layer. Generally speaking, I suggest contacting developers and manufacturers before painting and adopting the correct waterproof layer scheme, in order to avoid coating defects of epoxy floor system in the future.
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