Zhejiang Luban Waterproof Company Limited

Zhejiang Luban Waterproof Company Limited Zhejiang Luban devotes to bring the quality waterproof materials, let the world without"wet".

Exposed Roof Waterproofing: Introduction to Standardized Construction TechnologyWhy do some projects suffer recurring wa...
10/08/2026

Exposed Roof Waterproofing: Introduction to Standardized Construction Technology

Why do some projects suffer recurring water leaks within the warranty period when using the same exposed roof waterproof coating, while others remain intact for over 10 years? The core difference lies in the standardization level of construction techniques.

Exposed roofs are directly exposed to long-term sunlight, cyclic temperature changes and rainwater erosion, making them high-risk areas for building waterproofing. We have sorted out the full-process standardized construction procedures and quality control key points for exposed waterproof coatings for reference by engineering practitioners.

I. Base Surface Pretreatment: Fundamental Foundation for Waterproof Film Formation

Defects on the base surface are the primary cause of cracking and blistering of coating films. The base surface must pass inspection before proceeding to subsequent processes.

II. Primer Application: Seal Voids and Improve Adhesion

III. Reinforcement for Structural Joints: Preemptive Leakage Prevention at High-Risk Zones

Statistics from the building waterproofing industry show that over 80% of roof leaks occur at structural joints. Reinforcement treatment must be completed before large-area coating work.

IV. Large-Area Coating and Mat Laying: Layered Film Formation for Compactness

V. Curing, Inspection and Finished Product Protection

·Allow natural curing for no less than 72 hours after completion; extend the curing time appropriately under low temperatures. No personnel access or heavy material stacking is permitted before full curing.

·Conduct a 24-hour water ponding test for acceptance. The minimum ponding depth shall be 20 mm. The work is deemed qualified if no leakage or damp marks appear.

·Regularly clear roof debris and unclog drains in later operation to avoid long-term ponding that accelerates coating aging.

For waterproofing projects, materials account for 30% of performance, while construction accounts for 70%. Whether the weather resistance of exposed waterproof coatings can be fully realized ultimately depends on standardized ex*****on of every single procedure. Strict construction standards not only cut post-completion rework costs but also uphold the bottom line of engineering quality.
👉 Which issue causes the most rework in your roof waterproofing projects: inadequate base surface treatment or insufficient joint reinforcement? Engineering peers are welcome to leave comments for exchange, and feel free to share this article with technical supervisors on site.

Luban Waterproofing – Provider of Systematic Waterproofing Solutions
Official Website: www.lubanwaterproof.com
WhatsApp: +86 17338412425

03/08/2026

R&D Capability Creates Core Manufacturing Barrier

Scale determines production capacity, but R&D determines product competitiveness.

As a professional manufacturer, we insist on building our own independent R&D center to support:
✅ Independent product design & development
✅ Customized OEM & ODM solution
✅ Structural optimization & process upgrading
✅ Strict sample testing & stability verification
✅ Fast iteration & new product launch

Real manufacturing strength is not only mass production, but also the ability to customize, innovate and stabilize quality.

We welcome global buyers, brands and partners for factory visits and long-term cooperation.You are also welcome to contact us via the following method:
[email protected]
&D

Installation Guide for SBS Elastomer-Modified Bitumen Waterproofing Membranes: Frequently Asked Questions and SolutionsT...
27/07/2026

Installation Guide for SBS Elastomer-Modified Bitumen Waterproofing Membranes: Frequently Asked Questions and Solutions

The long-term effectiveness of building waterproofing hinges on high-quality materials combined with proper installation. In many projects, leaks in the waterproofing layer are not caused by material performance issues, but rather by inadequate attention to installation details.

Luban SBS elastomer-modified bitumen waterproofing membranes, as the preferred general-purpose waterproofing material for industrial and residential construction projects, strictly comply with the GB 18242-2008 national standard and have obtained China Green Building Materials Certification, making them suitable for all major types of building waterproofing applications.

Key Product Performance Advantages ✅
· Stable performance across a wide temperature range: Maintains stable performance in environments with extreme temperature differences ranging from -20°C to 90°C; offers excellent weather resistance and is suitable for projects in various climatic regions;
· Strong protection against deformation: Features high tensile strength, high elongation, puncture resistance, and tear resistance, effectively mitigating the risk of waterproofing layer damage caused by substrate shrinkage, cracking, and deformation;
· Versatility Across Multiple Scenarios: Widely applicable to key waterproofing projects such as building roofs, basements, and utility tunnels, offering maximum adaptability and practicality.
High-performance materials form the foundation of waterproofing projects, while standardized construction is key to long-lasting waterproofing. To address common issues encountered during on-site construction, we have systematically compiled a complete set of standardized construction procedures, core technical points, and targeted solutions.
Through standardized construction management, we eliminate potential project risks at the source, ensure the long-term stability of the waterproofing layer, and significantly enhance the quality and service life of building waterproofing projects.
If you require the complete construction guide, detailed product technical specifications, customized waterproofing solutions for your project, or wish to discuss innovations and practical applications in building waterproofing technology, please feel free to contact us at any time.

📩 Email: [email protected]
🌐 Official Website: www.lubanwaterproof.com

Luban Waterproofing is deeply committed to the field of building waterproofing. With professional materials and standardized construction techniques, we empower long-term building protection and collaborate with industry peers to build high-quality projects.

Exposed Roof Waterproofing: Introduction to Standardized Construction TechnologyWhy do some projects suffer recurring wa...
14/07/2026

Exposed Roof Waterproofing: Introduction to Standardized Construction Technology

Why do some projects suffer recurring water leaks within the warranty period when using the same exposed roof waterproof coating, while others remain intact for over 10 years? The core difference lies in the standardization level of construction techniques.

Exposed roofs are directly exposed to long-term sunlight, cyclic temperature changes and rainwater erosion, making them high-risk areas for building waterproofing. We have sorted out the full-process standardized construction procedures and quality control key points for exposed waterproof coatings for reference by engineering practitioners.

I. Base Surface Pretreatment: Fundamental Foundation for Waterproof Film Formation

Defects on the base surface are the primary cause of cracking and blistering of coating films. The base surface must pass inspection before proceeding to subsequent processes.

·Grind the base surface flat and repair pits; flatness deviation detected by a straightedge shall not exceed 5 mm.

·Form rounded corners at internal/external corners and pipe roots.

·Thoroughly remove dust and oil stains, and ensure no standing water on the surface.

II. Primer Application: Seal Voids and Improve Adhesion

·Priming is a mandatory process. Its core function is to seal capillary pores of the base, fundamentally preventing pinholes and hollow delamination in the coating film.

· Fully stir the coating per the mixing ratio, let it stand to eliminate bubbles, then apply a thin coat in cross crisscross strokes.

·Ensure full coverage without coating buildup; proceed to the next step only after the primer is fully surface-dry.

III. Reinforcement for Structural Joints: Preemptive Leakage Prevention at High-Risk Zones

Statistics from the building waterproofing industry show that over 80% of roof leaks occur at structural joints. Reinforcement treatment must be completed before large-area coating work.

·Key treatment areas: internal/external corners, roof penetrating pipes, roof drains, etc.

· Adopt the "one fabric, two coats" process. The reinforcement layer shall extend no less than 125 mm on both sides of the joint centerline. The reinforcement mat shall be fully saturated with coating, with a total thickness of no less than 1.5 mm.

Luban Waterproofing – Provider of Systematic Waterproofing Solutions

Official Website: www.lubanwaterproof.com

WhatsApp: +86 17338412425

13/07/2026

Creating a Long-Lasting Waterproofing System Through Rigorous Production Controls and Standardized Manufacturing Processes

This fully automated production line is where Luban SBS elastomer-modified bitumen waterproofing membranes are manufactured. The entire process adheres to a standardized quality control system, ensuring that every roll consistently meets specifications. These products are widely used in various waterproofing projects, including roofs, basements, municipal tunnels, and industrial facilities.
Core Product Performance Advantages:
✅ Withstands temperatures as low as -25°C, ensuring stable performance in extremely cold environments
✅ High elongation and excellent tear resistance, capable of accommodating structural deformation of the substrate
✅ Available in root-resistant specifications to meet the waterproofing requirements of green roofs
✅ Complies with international standards such as ISO and CE, meeting the requirements of overseas projects
As a direct manufacturer, we offer our partners:
· Large-scale automated production capacity to ensure delivery for large-scale engineering orders and rush projects
· End-to-end quality inspection and traceability, with full control from raw material intake to finished product shipment
· Extensive experience serving domestic and international projects, with products deployed across multiple countries and regions
· Flexible OEM/ODM customization solutions to meet localized market demands
If you are seeking a reliable and stable supplier of waterproofing membranes for your engineering projects, please feel free to contact us via private message. We can provide complete product technical specifications, third-party test reports, and customized project quotes.
🌐 Official Website: www.lubanwaterproof.com

03/07/2026

How Does the 4,000 ㎡ Rooftop Pool Achieve Zero Leakage? Unlocking the Waterproofing Secrets of a National Key Project

The Hangzhou National Archives of Publications and Culture (Wenrun Pavilion), a winner of China Luban Prize for Construction Engineering, is a 103,100 ㎡ library complex modeled after Song Dynasty classical gardens.

This video takes you deep into the construction site to break down the three core waterproofing challenges of the project:
✅ Basement of Hall No.3: Pre-laid Adhered Construction + Polymer Self-adhesive HDPE Membrane
✅ 4,000 ㎡ Northern Rooftop Pool: Cold-applied Non-curable Rubber Asphalt Waterproof Coating, ideal for winter construction
✅ Mountain-side Storage Vaults: Double-layer Polyurethane Coating + Root-resistant Waterproof Membrane + Water Storage & Drainage Board, integrating water prevention and drainage
The premium quality of high-end public buildings lies in every detail of concealed works. With standardized construction techniques and customized waterproofing solutions, Luban Waterproof empowers national key projects. We deploy professional technologies to secure century-long building safety and set benchmark cases for high-end architectural waterproofing.
We continuously share waterproofing technologies, construction procedures and industry solutions from landmark national projects. Industry peers are welcome to exchange ideas and seek win-win cooperation.

👉 Follow us for more landmark waterproofing project cases
👉 Business Cooperation: [email protected]

Systematic Waterproofing Solutions for Three Core Building Scenarios: Standardized Implementation from Indoor Details to...
24/06/2026

Systematic Waterproofing Solutions for Three Core Building Scenarios: Standardized Implementation from Indoor Details to Roof Projects

In the construction engineering system, waterproofing is a core concealed project that determines building durability, functional performance and overall project quality. Construction conditions vary drastically in environmental stress, structural deformation and usage requirements, so single materials cannot meet waterproofing demands across all scenarios.

With years of in-depth expertise in building waterproofing, Luban Waterproofing focuses on three high-frequency and core construction scenarios: indoor kitchens and bathrooms, underground side walls, and metal roofs.

1. Indoor Waterproofing for Kitchens & Bathrooms:
As the most water-intensive and joint-complex areas in buildings, kitchens and bathrooms are highly prone to leakage at weak points including pipe roots, floor drain peripheries and wall-floor corners. Targeting their humid, we adopt a triple waterproofing protection system: structural self-waterproofing + coating reinforcement + enhanced joint treatment to achieve full-area leak-proof coverage without dead zones.

2. Underground Side Wall Waterproofing: Non-Curing Hot-Melt Full-Bond System for Complex Underground Stress Conditions
Underground structures operate under long-term high humidity, imposing stringent requirements on the bonding strength, crack resistance and sealing performance of waterproof layers. Non-curing rubberized asphalt coating serves as the optimal core material for underground side wall waterproofing due to its excellent deformation adaptability, self-healing performance and adhesive properties.

3. TPO Waterproofing for Metal Roofs: Wind-Uplift Resistant & Deformation-Tolerant Solutions for Large-Span Buildings
Large-span metal roofs widely used in industrial plants, logistics warehouses and large venues face multiple challenges including temperature differences, structural deformation, high-altitude wind loads and base conditions. Conventional waterproofing solutions are susceptible to aging cracking, roll peeling and wind damage. TPO has become the preferred option for large-span metal roof waterproofing thanks to superior weather resistance, deformation tolerance and hot-air welding strength.

Engineering Conclusion
Essentially, building waterproofing is never a simple stacking of materials, but a systematic project relying on scenario adaptation, standardized techniques and refined management. From small-scale indoor kitchen and bathroom projects to large-area metal roofs and complex underground works, Luban Waterproofing adheres to the core philosophy of "materials as the foundation, construction as the key, and joint treatment as the priority".

Waterproofing construction for large-scale public buildings with irregular structures, long-span roofs, and complex join...
09/06/2026

Waterproofing construction for large-scale public buildings with irregular structures, long-span roofs, and complex joints has always been a major challenge in infrastructure projects.
As a supplier of high-quality waterproofing materials and provider of system solutions, Luban Waterproofing delivered a comprehensive, system-based waterproofing solution for the Hangzhou Qianjiang New City International Conference Center.
The total waterproofing area for this project is 27,000 square meters. The building stands 85 meters tall and consists of a 12-meter-high elliptical podium and a massive spherical main structure with a diameter of 85 meters. The unique, irregular architectural structure significantly increased the difficulty of the waterproofing work.
We rejected a one-size-fits-all approach to waterproofing and strictly adhered to national engineering standards. We implemented a core strategy of “combining prevention, drainage, interception, and sealing; balancing rigid and flexible solutions; adapting to local conditions; and adopting comprehensive management.” We established layered defenses tailored to the building’s specific conditions:
✅ Basement Floor Slab | Source Seepage Prevention
Addressing the vulnerability of the floor slab to high groundwater pressure, we used structural self-waterproofing as the foundation, combined with 5mm-thick polymer-modified cement mortar, to adapt to the complex underground environment and eliminate seepage risks at the source.
✅ Exterior Walls & Roof Slabs | Long-Term Protection
To address the issues of long-term exposure, thermal expansion, and weather erosion affecting exterior walls and roofs, we use 2mm-thick Luban polyester-reinforced self-adhesive polymer-modified bitumen waterproofing membranes as the primary waterproofing layer, ensuring the building’s long-term waterproofing durability.
✅ Critical Junctions | Enhanced Details
For key leakage-prone areas such as inside and outside corners, pipe penetrations, construction joints, and expansion joints, we develop customized reinforcement plans to address any gaps in waterproofing details, thereby enhancing the overall service life and stability of the project.
Luban Waterproofing leverages its core strengths—in-house production capacity, in-house R&D, and integrated services—to ensure control over materials, solutions, processes, and quality. We continue to provide professional, systematic, and customized waterproofing solutions for high-end applications such as urban landmarks, large-scale public buildings, and municipal projects.
Would you like to learn more about technical details, construction case studies, or obtain a customized solution? Visit our official website at www.lubanwaterproof.com to access comprehensive product information and partnership consultation channels! We look forward to discussing the full lifecycle quality control system for waterproofing projects with you.

04/06/2026

Luban EPDM self-adhesive membrane | Ultimate solution for wooden house leakage
Tired of your wooden roof leaking every time it rains? Discover why Luban EPDM Self-Adhesive Waterproof Membrane is the game-changer for timber house waterproofing. In this video, we show you:
0:00 Why traditional waterproofing fails on wood
0:30 5 amazing benefits of Luban EPDM membrane
1:20 Step-by-step installation guide (6 simple steps) Product features:
✅ Temperature range: -40°C to +80°C
✅ Self-locking water technology
✅ Cold application, no toxic fumes
✅ Excellent adhesion to wood
✅ Long-lasting durability
Shop now: www.lubanwaterproof.com
Contact us:[email protected]
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What Makes Producing a High-Quality Bucket of Waterproof Coating So Challenging? — Reflections from the Front Lines of L...
28/05/2026

What Makes Producing a High-Quality Bucket of Waterproof Coating So Challenging? — Reflections from the Front Lines of Luban Waterproofing’s Production Floor

Many people think that making waterproof coating is simply a matter of mixing emulsion and powder. But at Luban Waterproofing’s factory, we prefer to view it as “precision construction in a microscopic world.”
Today, we’ll take you behind the scenes of Luban Waterproofing’s production line to discuss a few “small details” we strive to perfect every day.

· Precise Measurement: Achieving “Zero Error” in Every Batch
Starting from the moment raw materials enter the warehouse, liquids, powders, and additives all pass through a high-precision measurement system. This minimizes human error and ensures that every batch of products leaving the factory maintains consistent performance.
· High-Speed Dispersion: Invisible Uniformity Is Key
At Luban Waterproofing, we strictly control dispersion speed, time, and temperature to ensure that functional fillers and polymer emulsions truly fuse at the microscopic level—only then can the coating be “easy to apply, free of sedimentation, and form an excellent film” on-site.
· Quality Bottom Line: Not a Single Drop of Substandard Product Leaves the Factory
From semi-finished to finished products, every batch undergoes multiple tests, including viscosity, solids content, drying time, bond strength, and water resistance.
· Green Smart Manufacturing: Environmental Protection Is a Standard Embedded in Our DNA
In recent years, Luban Waterproofing has continuously invested in upgrading environmental protection equipment to ensure users live in safe spaces. True “durable waterproofing” must be grounded in environmental sustainability.

Waterproofing is a concealed construction process; these invisible details are precisely what determine a building’s lifespan. As a member of Luban Waterproofing, I often feel that we produce not just coatings, but a weighty “commitment to safe living.”
In the future, we will continue to be meticulous about every production detail. We welcome industry peers, customers, and partners to visit our official website www.lubanwaterproof.comto learn more about our company and jointly drive quality upgrades in the waterproof coating industry.
📩Feel free to contact us at [email protected]. You’re also welcome to leave a message and share the coating properties you care about most.

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浙江省
Huzhou
313203

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Monday 08:30 - 17:00
Tuesday 08:30 - 17:00
Wednesday 08:30 - 17:00
Thursday 08:30 - 17:00
Friday 08:30 - 17:00
Saturday 08:30 - 17:00

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