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Types and Applications of Waterproofing Coatings

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Types and Applications of Waterproofing Coatings

Types and Applications of Waterproofing Coatings
Types and Applications of Waterproofing Coatings Types and Applications of Waterproofing Coatings Types and Applications of Waterproofing Coatings

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Product Details:
Place of Origin: Zhuhai, China
Brand Name: Zhuhai Feiyang
Certification: ISO 14001-2004, ISO 19001-2000
Model Number: Types and Applications of Waterproofing Coatings
Payment & Shipping Terms:
Minimum Order Quantity: 180kg
Delivery Time: 7 days after orders comfirmed
Payment Terms: L/C, T/T
Supply Ability: More than 20000 tons per year

Types and Applications of Waterproofing Coatings


Waterproofing coatings serve as indispensable materials in both residential and commercial construction projects. They are particularly crucial for underground work, roof leak repairs, and various infrastructure projects. This article aims to provide an in-depth understanding of waterproofing coatings, their characteristics, and how to choose the right type for specific applications.


What is Waterproofing Coating?

A waterproofing coating is a semi-finished product that transforms into a fully functional waterproof layer upon application and curing. It can come in various forms such as liquid, viscous substance, powder, or a combination thereof. The application process involves on-site production techniques like brushing, scraping, wiping, or spraying. Once cured, it forms a seamless membrane layer on the surface of the structure, providing effective waterproofing.


Key Characteristics of Waterproofing Coatings

  • Ease of Application: Most waterproofing coatings are user-friendly and do not require heating, making it easier to handle molded parts.
  • Seamless Protection: These coatings form a continuous waterproof membrane layer, minimizing the risk of leakage. If leakage does occur, the material is easy to repair.
  • Efficient Construction: Many types of waterproofing coatings can be applied via spraying, which speeds up the construction process.


How to Choose the Right Waterproofing Coating

The market offers a plethora of waterproofing coatings, each with its own set of properties and applications. The quality and brand also vary, making the selection process challenging. Below are some commonly used types of waterproofing coatings and factors to consider when selecting them.


1. Rubberized Bitumen Waterproof Coating

This type of coating is a composite of pitch, softened oil, rubber, and other components.

Applications: New construction or maintenance of waterproofing projects.

Characteristics: High self-healing, strong puncture resistance, good water resistance, high elongation.

Types and Applications of Waterproofing Coatings 0


2. Water Emulsion Bituminous Waterproof Coating

This coating uses asphalt emulsion as the base material, supplemented by high-quality latex and additives.

Applications: Roads, bridges, non-exposed roof repairs, basements, and tunnels.

Characteristics: Excellent waterproofing, corrosion resistance, resistance to chlorine ion penetration, as well as fast drying and excellent adhesion to asphalt membrane.


3. Polymer Cementitious Waterproofing Coatings

Comprising a polymer emulsion and various additives, this coating is generally used for indoor applications.

Applications: Bathrooms, kitchens, and balconies.

Characteristics: excellent concrete adhesion, high environmental friendliness and excellent adhesion to tiles.


4. One-Part Acrylic Waterproof Coating

This is a water-based coating primarily used for exposed project waterproofing.

Applications: Metal roofing and similar surfaces.

Characteristics: Excellent weather resistance, better adhesion to metal, lower low-temperature bending and excellent acid and alkali resistance. When choosing this type of product, first of all, we should understand the difference between pure C emulsion and phenyl C emulsion, the weather resistance of pure C emulsion is much larger than that of phenyl C emulsion. At the same time, we should also consider the problem of water absorption rate, water-based coatings less than 10% is appropriate.


5. Polyurethane Waterproof Coating

Composed of isocyanate, polyether, catalysts, and fillers, this coating is known for its high strength and elongation properties.

Applications: Indoor bathrooms, roofs, basements, and infrastructure projects.

Polyurethane waterproofing coatings for different applications have different performance requirements, you need to consult professional and technical personnel.

Types and Applications of Waterproofing Coatings 1


6. Polyaspartic Polyurea Waterproof Coating

Polyaspartic polyurea is produced by the reaction of a multi-component mixture of modified isocyanate prepolymer and polyaspartic resin. Polyaspartic resin is a kind of secondary amine compound with unique bit group effect, which is much less active than common aliphatic amine resin.

Characteristics: can be hand-brushed, rolled, troweled, construction is convenient. It has a very good low-temperature resistance, minus 35 degrees Celsius, the paint film is intact without cracks. Weathering, aging, and UV resistance that far exceeds that of other materials, can be directly exposed to outdoor use for many years, no aging, no chalking, after rinsing is still as clean as new. After 4000 hours of QUVA test, the performance is still maintained more than 95%.

Applications: Roofing, kitchens, bathrooms, basements, and infrastructure projects.

Selection Criteria: Consult technical staff for specific performance requirements.


Choosing the right waterproofing coating is crucial for the longevity and effectiveness of your construction project. By understanding the properties and applications of each type, you can make an informed decision that meets your specific needs.


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