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  1. Home
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  5. Water stop
  6. Expansion device secondary waterproofing material component 'Double Waterproofing Unit'

Expansion device secondary waterproofing material component 'Double Waterproofing Unit'

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Double Water Stop Unit Method A/Method B

last updated:Jul 17, 2025

Chugai Doro Co., Ltd.
Chugai Doro Co., Ltd.
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Bed-mounted type and body-mounted type! Continuous secondary water stop structure without joints.

The "Double Water Stop Unit" is a secondary water stop component with a continuous, joint-free structure that drains leakage and allows for guidance. Two methods (Method A / Method B) are available to accommodate various conditions. The installation of this unit can be done simultaneously during joint work. 【Types】 ■ Method A: Double Water Stop Unit for Floor Slab Installation ■ Method B: Double Water Stop Unit for Main Body Installation 【Features】 ■ A continuous, joint-free secondary water stop structure that drains leakage and allows for guidance ■ Two methods available to accommodate various conditions (Method A / Method B) ■ Simultaneous installation of the Double Water Stop Unit during joint work is possible *For more details, please download the PDF or feel free to contact us.

    Water stop
ダブル止水ユニット_01.jpg

Expansion device secondary waterproofing material component 'Double Waterproofing Unit'

ダブル止水ユニット_01.jpg
ダブル止水ユニット_01.jpg ダブル止水ユニット_02.jpg ダブル止水ユニット_03.jpg
  • Related Links: Chugai Road Co., Ltd. Expansion Joint Product Information
  • Special site - Product/service details - https://pr.www.ipros.com/joint-chugai/product/

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basic information

For more details, please download the PDF or feel free to contact us.

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■Price: Please contact us for details. *Prices may vary depending on specifications and installation conditions. For more information, please contact us.

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Bed Plate Installation Type (Method A)
Main Body Installation Type (Method B)

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Expansion device secondary water stop material component [Double water stop unit]

Expansion device secondary water stop material component [Double water stop unit]

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Chugai

Chugai Doro Co., Ltd.

Building materials, supplies and fixtures manufacturers

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Our company, a specialized manufacturer of expansion devices for bridges and elevated roads, has been in operation for 60 years since its founding in 1965. While responding to needs such as safety, drivability, durability, and cost-effectiveness, we support a better road and living environment as a company that plays a part in social infrastructure. Even during disasters that have occurred across the country, our products have minimized damage, fostering greater safety and trust. "Together with people, roads, and the environment" We will continue to walk this path.

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