Where Should You Use Hydrophilic Waterstops?
What is a hydrophilic waterstop?
Hydrophilic waterstops are designed to create watertight seals in concrete construction joints by expanding when exposed to moisture. They are ideal for applications where water infiltration is a concern and traditional sealing methods may not fully seal irregular gaps.
Common Applications
- Poured-in-place concrete joints
- Precast concrete structures
- Sanitary and storm sewer manholes
- Septic tanks and containment systems
- Below-grade structures exposed to groundwater
When NOT to Use Hydrophilic Waterstops
Dry or controlled environments → Use Crete-Stik
Fuel or hydrocarbon exposure → Use EX 221
Surface-to-surface sealing → Use Butyl Tape
External wrap or reinforced protection needed → Use Strap Wrap
When Hydrophilic Waterstops Work Best
You should use hydrophilic waterstops when:
- Water infiltration is expected or likely
- Sealing cold joints between concrete pours
- Surfaces may be uneven or irregular
- A water-activated sealing solution is needed
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