VINSTOPS – Flexible PVC Waterstop
Overview:
VINSTOPS is a flexible PVC waterstop manufactured from high-grade polyvinyl chloride (PVC) resin. It is specifically designed for sealing construction, expansion, and settlement joints in reinforced concrete structures. VINSTOPS meets the requirements of TCVN 9407:2014 and BS 2571.
Application:
- Used for sealing construction and expansion joints in concrete to form a continuous watertight diaphragm.
- Commonly applied in water-retaining and excluding structures such as reservoirs, sewage tanks, dams, pools, basements, tunnels, retaining walls, pits, and elevator partitions.
- Available in various shapes for centrally and externally placed joints, as well as for expansion and settlement joints.
Advantages:
- Enhanced adhesive ability with concrete due to the surface having many edges.
- Easy to weld and fabricate intersection pieces to suit various needs.
- High tensile strength, high elongation at break.
- Highly flexible.
Width Selection Instructions:
- The width of VINSTOPS depends on concrete thickness, aggregate size, and reinforcement position.
- Smart tips for satisfactory choices include ensuring sufficient distance between VINSTOPS and reinforcement members and maintaining appropriate width concerning aggregate size.
Installation Instructions:
- VINSTOPS must be securely installed in its correct position while concrete is being placed.
- Concrete should be fully compacted around VINSTOPS to ensure no voids or porous areas remain.
- Welding on the construction site involves heating connecting leads of two rolls of VINSTOPS simultaneously (about 180oC), jointing them tightly until the leads are hard.
Technical Data:
| Property | Unit | Test Method | Quality |
|---|---|---|---|
| Colour | – | Observation | Yellow, blue, white, transparent |
| Density | g/cm3 | TCVN 4866:2013 | ≤ 1.4 |
| Hardness (Shore A) | – | TCVN 1595:2013 | ≥ 65 |
| Tensile Strength | MPa | TCVN 4509:2013 | ≥ 13 |
| Elongation at Break | % | TCVN 4509:2013 | ≥ 250 |
Note: This information is based on the provided technical data sheet and is subject to any updates or changes from the manufacturer.




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