Waterproof coatings for cement floors-Classification of waterproof coatings
Waterproof coatings can be divided into organic waterproof coatings and inorganic waterproof coatings according to the types of film-forming substances. Organic waterproof coatings include reactive, emulsion and solvent-based coatings; Inorganic waterproof coatings include cement-based permeable crystalline waterproof coatings and cement-based waterproof coatings mixed with additives and admixtures.
Most waterproof coatings on the market are organic waterproof coatings. According to the different forms of film-forming substances, organic waterproof coatings can be divided into emulsion waterproof coatings, reactive waterproof coatings and solvent-based waterproof coatings.
Water-emulsion waterproof coating: As the main film-forming substance, this waterproof coating is a polymer material that is stable suspended (insoluble) in water with tiny particles (non-molecular state) and becomes emulsion coating.
Reactive waterproof coating: This kind of waterproof coating takes polymer as the main film-forming substance and exists in the liquid form of prepolymer. Coatings are mostly composed of two components or one component, and contain almost no solvent.
Solvent-based waterproof coating: In this kind of coating, polymer material as the main film-forming substance is dissolved in organic solvent and becomes a solution. Polymer materials exist in solution (paint) in molecular state.
Waterproof Coatings for Cement Floor —— How to Use Waterproof Coatings
1. Stir the waterproof coating: firstly, pour the liquid material into the container, then slowly add the powder, and fully stir for 3-5 minutes until a uniform slurry without agglomeration and particles of the raw powder is formed.
2. Waterproof coating: Apply it directly to the base surface with a brush or roller brush, and use it evenly without brush leakage; Generally, it needs to be brushed twice, and the thickness of each brush should not exceed1mm; After the first pass is slightly dry, brush it for the second time, and brush the front and rear vertical forks. The total coating thickness is generally 1-2mm. If the coating has cured, wet it with water before applying another layer.
3. Maintenance: After 24 hours of construction, it is recommended to cover the coating with wet cloth or spray water to maintain the coating.
4. Protection: Please pay attention to prevent trampling, rain, sun exposure and sharp injuries. Before the building is completely dry.
5. Inspection (closed water test): After the waterproof layer is dried, please store it in the bathroom and pool for 48 hours to check whether the waterproof construction is qualified. The lightweight wall needs to be watered thoroughly.
Waterproof coatings for cement floors can be seen at any time, although they have not been tried personally. As can be seen from the floor coated with waterproof paint, the color of waterproof paint is rich and colorful. Through the above, we also know that there are three kinds of waterproof coatings commonly used in local cement: water emulsion waterproof coatings, reactive waterproof coatings and solvent-based waterproof coatings. These three kinds of waterproof coatings are often used, so you can buy them with confidence. The above also introduces the construction method of waterproof coating for cement floor, hoping to help you.
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