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CRES®STOP HP
Hydrophilic rubber waterstop
It is made of high performance modified rubber strips. Interaction between water and hydrophilic groups which are part of the CRESSTOP HP molecular structure results in swelling of rubber strips. When in contact with water CRESSTOP HP reacts and swells up to 300% of its original dimension to form a compression seal.
Properties:
- Easy and secure application.
- Simple jointing techniques.
- Excellent elastic properties.
- Does not need hardening time.
- Sustain effective seal in wet conditions.
- Permanent water resistance, no leaching.
- Non-polluting, ecological and user friendly system.
- Remains unaffected by long term wet/dry cycling.
- Maintains actual shape after repeated expansion and contraction.
- Slow expansion rate to prevent damage to freshly placed concrete during curing.
Uses:
It is primarily used to seal concrete construction joints, foundation wall slabs,precast wall panels, slabs –on-grade, man holes, pipe& steel work penetration through wall& slabs,construction joints in tunnel segments, box culverts and potable water structure etc. It is recommended in low movement construction joints.
Packing & Colour:
| Packing | Colour |
|---|---|
| 10 m/roll (20mm X 10mm), 1 box containing 10 rolls. | Blue |
Related Document(s):
How to Use:
- When the substrate is uneven, It can be fastened in place using masonry nails at approx. 300mm center. Care should be taken to ensure that the substrate has sufficient strength to enable mechanical fixing to be securely driven without damaging the CRESSTOP HP. Alternatively, a groove can be cast in to concrete to facilitate application. For use in most weather conditions but heavy rain and prolong immersion will cause premature swelling. Should this occur, it will be necessary to allow it to dry out or be dried with a hot air gun before concrete pouring takes place
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