External Construction Joint

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Construction joint is the joint formed between two piece of concrete which is before and after pouring in concrete pouring process due to design requirement or construction segmental pouring requirement. The construction joint is not a real seam. Because the first pouring concrete exceeds the initial setting time, and there is a joint surface with the post-cast concrete, which is called the construction joint.

The waterproofing treatment of the concrete joints is very difficult. Construction joints are a hidden danger of water seepage and should be minimized. PVC waterstop is usually to be used to stop water leak in the construction joints.

The external waterstop is one of the structures to stop water leak in the surface of the concrete movement joints and settlement joints. And the external construction joint waterstop is suitable for wall or underground floor to prevent water from seeping back to the building's inside.


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