# Joint Sealing — Utility Construction Glossary

The process of creating watertight connections between pipe segments using specialized materials and techniques to prevent leakage and infiltration.

## Frequently asked questions

### What materials are used for joint sealing?

Common materials include rubber gaskets, mastic sealants, epoxy compounds, and expanding waterstops, depending on the pipe material and application.

### How long do joint seals last?

Quality joint seals can last 20-50 years when properly installed, though environmental conditions and pipe movement can affect longevity.


## Related terms

- [infiltration](https://www.dunninfrastructuregroup.com/glossary/infiltration)
- [pipe-installation](https://www.dunninfrastructuregroup.com/glossary/pipe-installation)
- [quality-control](https://www.dunninfrastructuregroup.com/glossary/quality-control)

Proper joint sealing is essential for maintaining system integrity and preventing groundwater infiltration in underground utilities.

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Source: https://www.dunninfrastructuregroup.com/glossary/joint-sealing
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