Waterproof Mortar

Your Professional Waterproof Mortar Supplier

Founded in 2003, we specialize in building energy efficiency and the resolution of construction-related issues. As a National High-Tech Enterprise, Zhejiang Provincial Technology-Based SME, and Huzhou Municipal R&D Center, we have obtained multiple national patents to date. Over the past more than 20 years, Yangtai has consistently taken solving construction problems as the core direction of its R&D efforts.

Cementitious Waterproofing Slurry
This two-component system combines high-grade cementitious materials with a specialized polymer emulsion to create a seamless, breathable membrane. Since 2003, we have refined this formula to...
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Waterproof Mortar For Swimming Pools
This Waterproof Mortar for Swimming Pools incorporates specialized hydrophobic polymers and high-grade fibers that prevent micro-cracking, ensuring that your pool remains watertight for decades....
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Waterproof Coating Agent
This product was engineered as a multi-functional primer and coating that bridges the gap between traditional waterproofing and surface preparation. Since 2003, we have focused on creating...
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Wall Waterproof Agent
This Wall Waterproof Agent is particularly effective for porous materials like brick, natural stone, and concrete. With over 60 national patents in the field of construction chemicals, we have...
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Mortar Waterproofing Agent
This mortar waterproofing agent is the result of 20 years of research into crystalline and hydrophobic technologies. It works at the microscopic level, filling capillary pores and creating an...
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Flexible Cementitious Waterproofing Membrane
This Flexible cementitious waterproofing membrane is a high-performance, two-component system that creates a seamless, rubber-like barrier when cured. With more than 60 national patents in our...
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Swimming Pool Waterproofing Mortar
Product is a gray solid powder that leads the industry with polymer-modified technology, representing an advanced mortar-based waterproof material meeting international standards.
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Polymer Waterproof Slurry
Polymer Waterproof Slurry is a high-performance two-component waterproof material, scientifically formulated with inorganic silicate cementitious materials, selected natural mineral aggregates,...
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Wall Waterproofing Agent
Wall Waterproofing Agent is a professional milky white adhesive, specially developed as a pre-treatment auxiliary for waterproof coatings—addressing common pain points in waterproof construction.
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Anti-seepage Agent
Anti-seepage Agent is a uniform liquid product using water as the dispersion medium, offering exceptional flexibility to blend with various color pastes and functional additives—creating...
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Waterproof Mortar Additive
Waterproof Mortar Additive is a cutting-edge waterproof material that blends inorganic components, organic ingredients, and polymer compounds—engineered to boost the performance of ordinary cement...
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Polymer Cement-based Elastic Waterproof Membrane
For versatile waterproofing that balances flexibility and stability, Polymer Cement-based Elastic Waterproof Membrane stands out as a high-performance solution engineered for modern construction...
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Why Choose Us

Large Market

The sales region of Deqing Yangtai Building Materials Co.,Ltd. takes Zhejiang as the core, radiates to East China regions such as Fujian, and gradually expands to the national market.

Enjoy A Good Reputation

It enjoys a good reputation in fields such as dry mortar, building waterproofing and thermal insulation, making it one of the important suppliers in the East China building materials field.

One-Stop Solution

Yangtai focuses on floor sound insulation, wall thermal insulation, and leveling technologies.

Good Servive

Pre-sales: Product Presentation, Usage Instructions & Usage Q&A
In-sales: Technical Communication Support
After-sales: Quality Assurance & Technical Support

Advantages of Waterproof Mortar

High durability: Waterproof mortar often has a long lifespan, helping to protect concrete structures from degradation due to the effects of water and humidity. Using waterproof mortar will help the construction avoid leakage throughout the life of the construction.

Good adhesion: Waterproof mortar has the ability to adhere tightly to the concrete surface, helping to create a durable protective layer that does not peel or crack like other waterproofing materials.

Flexible application: Waterproof mortar can be used in many different conditions, from underground constructions to areas that can be in direct contact with water, such as basements, swimming pools, water tanks, roofs and surrounding walls of the construction.

Easy to apply: Although waterproof mortar requires certain construction techniques, if applied properly, it is easy and effective, saving construction time compared to some other waterproofing methods.

Types of Waterproof Mortar

Cement-based waterproof mortar:

This type of mortar uses cement as the main ingredient combined with waterproofing additives to create a protective layer. This is the most popular type of waterproof mortar, widely used in construction works.

Polymer waterproof mortar:

This mortar contains polymers to increase adhesion and durability during construction, suitable for works requiring high elasticity. Bituminous waterproof mortar: Mainly used in underground construction works or areas in direct contact with groundwater.

How Waterproof Mortar Works

01/

Preparation of the Surface: The surface where waterproof mortar will be applied must be clean, free of dust, grease, or loose particles. Proper surface preparation ensures good adhesion and effectiveness.

02/

Mixing: The waterproof mortar is mixed according to manufacturer instructions, often involving water and sometimes additional bonding agents. Proper mixing ensures uniform consistency and optimal waterproofing properties.

03/

Application: The mortar is applied using trowels or spray equipment, depending on the project. It is spread evenly over the prepared surface, filling joints, cracks, and voids.

04/

Layering: Multiple layers may be applied for enhanced waterproofing, especially in high-risk areas. Each layer must be allowed to cure before the next is added.

05/

Curing: Proper curing involves maintaining moisture and temperature conditions to allow the mortar to develop its full water-resistant properties. Curing times vary but are critical for long-term performance.

06/

Inspection and Sealing: After curing, the surface is inspected for uniform coverage and integrity. Additional sealing or waterproofing treatments can be applied if necessary.

Use of Waterproof Mortar

Construction & Infrastructure

Basements & Foundations: Waterproof mortar prevents water seepage through underground structures, reducing the risk of flooding and structural damage.
Retaining Walls: It enhances resistance against water pressure, preventing erosion and failure.

Residential & Commercial Buildings

Bathrooms & Kitchens: Waterproof mortar is used in tiling and sealing around sinks, showers, and tubs to prevent leaks and mold growth.
Balconies & Terraces: It ensures these outdoor spaces remain dry and durable despite exposure to rain and humidity.

Public & Recreational Structures

Swimming Pools & Water Features: Waterproof mortar provides a seamless, water-resistant surface that withstands constant water exposure.
Bridges & Tunnels: It contributes to structural integrity by preventing water infiltration that could cause deterioration over time.

FAQ

Q: What is waterproofing mortar used for?

A: Waterproofing mortars are often applied in basements, water reservoirs, water retaining structures and other engineering structures as well as beneath tiling for swimming pools, balconies, bathrooms and kitchens.

Q: How to use waterproof mortar?

A: Place the desired quantity of mix water into the mixing container. While the mixer is running, add WATERPROOFING MORTAR. Mix thoroughly to achieve a homogeneous, lump-free consistency (usually 1 to 3 minutes). Let WATERPROOFING MORTAR rest undisturbed for 2 to 3 minutes, then remix and apply.

Q: How long does waterproof mortar take to dry?

A: Each layer of waterproof mortar needs 24–48 hours to dry, with full curing potentially taking up to a week. Any exposure to rain or moisture during this time can compromise performance.

Q: Do you need to waterproof mortar?

A: Waterproof mortars are a critical component of concrete repair strategies, ensuring long-term protection against water ingress and environmental damage. By selecting the right product, following best practices, and working with experienced professionals, you can achieve a durable and reliable repair.

Q: How long until mortar is waterproof?

A: Mortar cures to around 60% strength in around 24 to 48 hours. However, this depends on the conditions in which the mortar is curing. Weather and airflow significantly impacts the time it takes for mortar to set.

We are one of the most reliable waterproof mortar suppliers in China, specialized in providing high quality products with low price. We warmly welcome you to buy discount waterproof mortar from our factory. Contact us for quotation and free sample.

Wall Waterproofing Agent, waterproof mortar, Waterproof Mortar Additive