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15 + Years of Professional Waterproofing Membranes Manufacturer
 Outstanding Quality
 Systematic Service
 Eco-Friendly Material
 Advanced Technology
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We Can Provide You with High-Quality Waterproof Membranes That Comply with International Certifications Such as FM, LEED, And CE

15+ years of production experience

Osea Guard was founded in 2009 and has over 15 years of experience. We have advanced production facilities and skilled workers, most with over 10 years of experience, ensuring precision and quality in every product we deliver.

Professional production factory

The factory covers an area of ​​over 80,000 square meters, has more than 200 employees, 2 PVC production lines, and 4 TPO production lines.

Strong production and sales capabilities

In 2024, the annual production and sales of polymer coils (TPO, PVC) will exceed 10 million square meters, and the sales volume of a single material will be among the top three in China.

Professional sales and after-sales service

From communication to order confirmation, product production and processing to after-sales, we have dedicated professional engineers to connect with you and provide you with comprehensive after-sales service guarantees.

Waterproof Membranes for Your Choice

We can provide TPO waterproof membrane, PVC waterproof membrane, SBS waterproof membrane and other materials in various specifications, colors and thicknesses, as well as various waterproof accessories. If you have special requirements, you can also communicate with us in detail and we can customize them according to your needs.
TPO Membranes
PVC Membranes
Modified Bitumen Membranes
Roofing Systems

Our Best-Selling Waterproofing Membranes

Our product offerings include Reinforced TPO Waterproofing Membranes, Non-Reinforced TPO Waterproofing Membranes, Fleeceback TPO Waterproofing Membranes, Reinforced PVC Waterproofing Membranes, Homogeneous PVC Waterproofing Membranes, Fleeceback PVC Waterproofing Membranes, various Modified Bitumen Membranes, and SBS Waterproofing Membranes. We also manufacture a wide range of waterproofing membranes and offer custom options to meet your needs.

One-Stop Production Support to Meet Your Waterproofing Membrane Needs

 Customization Available upon Request  
Material: TPO, PVC, SBS
Width: 1m, 2m
Length: 10m, 15m, 20m
Thickness: 1.2/1.5/1.8/2/3/4mm (optional)
Color: White, Silver（customizable）
Applications: Roofs, basements, civil air defense projects, utility corridors, subway tunnels, reservoirs, dams, grain storage facilities, landfills, etc.
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OSEAGUARD

About Osea Guard

Oseaguard is a high-tech enterprise integrating scientific research and development, production and manufacturing, material sales and construction services.Oseaguard Tech has been engaged in the research and development and production of polymer waterproof membranes since 2009 and is one of the earliest companies in China engaged in this field.
As a leading brand of green protective materials for buildings in China, Oseaguard has"TPO Membranes”，“PVC Membranes ”，"Modified Bitumen Membranes" ,"Roof Sandwich Panel", TPO/PVCand aseries of solutions to the building protective system and more than 20 quality buildingprotective materials. They gain praises from users due to excellent protective propertiesTheir usages in the market keep climbing.

Our Production Environment

As a production expert integrating R&D and production, we oversee the entire production process, from raw materials to finished product, ensuring seamless quality control at every stage. We not only possess advanced automated production equipment, but also have established standardized laboratories, natural aging test sites, and construction application sites. We have established a sample retention management system and a dedicated sample retention room to ensure that samples of all sold products are retained until project acceptance is completed before processing, ensuring product traceability.
  • Construction Application Site
    Construction Application Site
  • Natural Aging Test Site
    Natural Aging Test Site
  • PVC Waterproofing Membrane Production Line
    PVC Waterproofing Membrane Production Line
  • TPO Waterproof Membrane Production Line
    TPO Waterproof Membrane Production Line
  • SBS Production Line
    SBS Production Line
  • Sample Room
    Sample Room
  • Open Rubber Mixing Mill
    Open Rubber Mixing Mill
  • UV Aging Chamber
    UV Aging Chamber
  • Electronic universal tensile machine
    Electronic Universal Tensile Machine
  • Heat aging chamber
    Heat Aging Chamber
  • Plate Rheometer
    Plate Rheometer
  • Reading Microscope
    Reading Microscope
If You Have Special Requirements, You Can Also Communicate with Us in Detail and We Can Customize Them According to Your Needs.

The latest at OSEAGUARD

Osea Guard will strive to fulfill the mission of a leader in high-quality water- proof systems and realize the corporate vision of "Living the same lifespan as the building and making nature more harmonious".
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OSEA Guard co organizes the 20th Single layer Roofing Technology and Market Seminar

On May 27th, 2026, the 20th Single layer Roofing Technology and Market Seminar was successfully held in Nanjing. This conference is a key parallel forum of the 528 Waterproofing Industry Conference, hosted by the China Building Waterproofing Association and jointly supported and co organized by Jiangsu Ouxidun Technology Co., Ltd. Industry experts, technical experts, and enterprise representatives gathered together to focus on the development of single-layer coil roofing and industrial and commercial building roofing, jointly researching technology and discussing the future.

28 May 2026
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Hu Xibao, President of China Building Waterproofing Association, and his delegation visited OSEA Guard for waterproofing inspection and guidance

Recently, Hu Xibao, President of the China Building Waterproofing Association, led a team of industry experts to visit OSEA Guard for waterproofing inspection and research. Chairman Wang Hongbo and the company's management accompanied the reception throughout the process, and the two sides held in-depth discussions and exchanges on core topics such as industry development trends, training base construction, talent cultivation, and policy competitions.

26 May 2026
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OSEA Guard Waterproof was invited to participate in the 27th Waterproof Technology Exchange Conference (518 Conference)

The 27th Waterproofing Technology Exchange Conference was grandly held from May 18th to May 19th at the Hyatt Regency Hengqin Hotel in Zhuhai. As a benchmark enterprise in the field of polymer waterproofing in East China, Jiangsu OSEA Guard Technology Co., Ltd. (Ouxidun Waterproof) was invited to attend the conference with great attention, showcasing its technological innovation achievements and system repair solutions, demonstrating its strength.

22 May 2026

Telephone

+86-18665096343 (Leaha Ji)

Email

leaha@waterproofing-manufacture.com
​Copyright © OSEAQUARD All Rights Reserved.

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