Unique Products for the Underground Utility Professional
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DRAINBLOCK
Remotely seals off abandoned drains and sewer laterals permanently.
A semi-porous bag that contains a sealed sachet of PU resin foam is remotely positioned inside the sewer lateral using a duct rodder or fiberglass fish tape. The cylindrical shaped bag containing the expanding foam forms a permanent plug. Some of the foam seeps through the bag adhering to the inner walls of the pipe permanently anchoring the plug in the desired location.
Benefits:
- Avoids excavating in the road, trenchless technique
- Bag can be installed 50’ from access point.
- Prevents ground water from entering sewers
- Avoids unauthorized connection to clean water drainage systems via abandoned laterals
- No risk of sealing material entering main
- Easy to use – available in kit form
- Once mixed the PU foam is inert and can be disposed in normal waste