Durable and sturdy waterproof membrane accessories for roof and basement

Company Profile

Tianjin Binhai Otai Waterproof Material Co., Ltd. is a company specializing in the production of high-quality polymer waterproof materials such as TPO, PVC, HDPE, and waterproof coatings. It has more than 20 years of engineering experience. In 2014, OTAi and Acme Cone of the United States established a joint venture company Ocme, which focuses on the design and manufacture of various prefabricated waterproof accessories, such as inner and outer corners, pipe wraps, drains and ventilation systems, underground pile heads, etc. These prefabricated waterproof accessories are widely used in the installation of polymer waterproof membranes as a good support system.

Otai cooperated with well-known domestic universities to develop products, introduce talents and technologies. Adopting standardized 6S factory management and establish standardized laboratories. Focus Is the Gateway to Business Success.

As the vice chairman unit of China Building Waterproofing Association, Otai has always been committed to exploring and researching problems in waterproofing systems, and using our professional solutions to provide customers with the best service.

Advanced Production Equipment

Research & Development

OTAi Technical quality assurance department control the quality from raw materials to finished products, as well as the development of product formulations.

1 Self-adhesive tape for HDPE membrane installation

Sand type

Double-side adhesive

2 Expansion nail

Mainly used for the fixing of concrete base laminate strips，pre-drilling is required during construction, put the metal expansion nail into the hole, Install nails through expansion to fix.

3 Nail

It is suitable for fixing various roof structure waterproof systems, with good self-drilling performance and corrosion resistance.

4 U-shaped layering

It is suitable for fixing the internal corners of polymer membrane to prevent the sheet from shrinking and deforming.

5 Neck layering

Suitable for fixing the edges of polymer membrane.

6 Plastic casing gasket

Suitable for TPO/PVC soft base insulation layer fixation (such as rock wool base layer)

7 Metal gasket

Suitable for TPO/PVC non-perforated system（For example, hard base, concrete, silicic acid cover, etc., soft base, rock wool, etc.）

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