[Column] What is the "secondary water stop material" for expansion joints? An overview of its purpose and types.
Secondary water stop materials for secondary water stopping! An explanation of the purpose and an introduction to products from various manufacturers.
The lifespan of a bridge is greatly affected by the water-stopping performance of the expansion device. While it is natural to require the water-stopping performance of the main product (primary water stop), recently there have been increasing cases where the installation of "secondary water-stopping materials" is requested in case the primary water-stopping performance of the main body deteriorates. Therefore, I would like to explain the "purpose" of the secondary water-stopping materials related to the water-stopping performance of the expansion device and provide "introductions to products from various manufacturers." *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.
basic information
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