Sika Waterbar® O-20 SH
PVC PROFILE WATERSTOPS FOR JOINT SEALING
Sika Waterbar® O-20 SH are flexible waterstops based on plasticized PVC. They are pre-shaped in specific profiles to seal and protect expansion joints when cast in concrete.
- High quality PVC for long durability
- Suitable for high water pressure
- Easy to weld on site
Usage
Sika Waterbar® O-20 SH are used to waterproof expansion joints in concrete structures such as those in water retaining structures, including reservoirs, canals, sewage plants, dams, swimming pools etc. Also they are used in watertight construction of many buildings and structures including large basements, underground carparks, subways and sea walls, e.t.c.Advantages
- High quality PVC for long durability
- Suitable for high water pressure
- Easy to weld on site
Packaging
15 m rolls
Colour
Yellow
Product Details
APPROVALS / STANDARDS
Sika Waterbar® O-20 SH have been tested in accordance with:
- EN ISO 527
- DIN 53505
Chemical Base
Plasticized Polyvinyl Chloride (PVC-p)
Shelf Life
60 months from date of production
Storage Conditions
Store in unopened, undamaged and sealed original packaging, in dry conditions at temperatures not exceeding +30°C. Protect from UV radiation.
Total Width
20cm (± 5mm)
Thickness
Nominal thickness: 2,0 - 3,5 mm (± 0,5 mm)
System Structure
Centrally placed Waterbar, suitable for expansion joints. Installation in the centre of concrete structures. Easy anchoring of Sika Waterbar® O-20 SH to reinforcement with special fixing clips (5 pieces per m).
Junction / Jointing Pieces: For welding waterbar pieces and cuts on site, special equipment is supplied.
Shore A Hardness
| 70 ± 5 | (DIN 53505) |
Tensile Strength
| ≥ 10 N/mm2 | (EN ISO 527) |
Elongation
At break
| ≥ 300% | (EN ISO 527) |
Chemical Resistance
Permanent resistance against water and seawater.
Temporary resistant against diluted inorganic alkalis, mineral acids, mineral oils and sewage at temperature of +23 °C.
Service Temperature
-35°C to +55°C