Sika Waterbar®- PVC-P NB Type DF
External waterbars for joint sealing in watertight concrete construction according to factory standard
Sika Waterbars Type DF made from PVC-P NB are used for sealing expansion joints in watertight concrete structures. Sika Waterbars PVC-P NB Type DF are available in a range of different types, shapes and sizes to suit different structures and applications.
- High tensile strength and elongation
- Permanent flexibility
- Suitable for medium levels of hydrostatic pressure and stress
- Resistant to all natural mediums in soil and groundwater that are aggressive to concrete
- Weldable
Usage
Application fields:- Joint sealing in concrete structures
- Expansion joint sealing in insitu concrete
- Residential building basements
- Commercial building basements
- Underground car parks
Advantages
- High tensile strength and elongation
- Permanent flexibility
- Suitable for medium levels of hydrostatic pressure and stress
- Resistant to all natural mediums in soil and groundwater that are aggressive to concrete
- Weldable
Packaging
- Standard rolls 20 or 25 m dependent on profile, on euro or disposable pallets
- Prefabricated formpieces supplied on euro or disposable pallets dependent on size
Colour
Black
Product Details
APPROVALS / STANDARDS
Standards / Directives:
- Profile geometry and physical properties according to Sika Factory Standard
- German WU - Directive DafStb
- Sika Waterbar PVC-P NB welding instruction and method statement
Testing & Approvals:
- Manufacturer’s test certificates provided, other certificates by agreement
Chemical Base
PVC-P NB = Polyvinyl Chloride Plasticized, not bitumen resistant
Shelf Life
The product does not expire if stored correctly
Storage Conditions
- To be stored on the pallets as supplied on a flat base
- For long-term storage ≥ 6 months in enclosed areas: The storage area should be covered, cool, dry, free from dust and moderately ventilated. The Sika Waterbars PVC-P NB must be protected from heat sources and strong artificial lights with a high UV content
- Short-term storage > 6 weeks and < 6 months in enclosed areas on construction sites, outdoors: As for long-term storage i.e, in dry storage protected by suitable covers from direct sunlight, snow and ice or any other form of contamination, store separate from other potentially harmful materials, plant and equipment such as structural steel, reinforcement or fuels etc., store away from traffic and site roads in a dry area
- Short-term storage ≤ 6 weeks on construction sites, outdoors: Protected from contamination or damage, protected by suitable covers from strong sunlight and snow or ice etc.
System Structure
Forms:
The limits of water pressure and stress given in the tables below apply to standard uses without specific additional testing. Different values may be used when precise information on all of the relevant stresses and structural requirements are available.
| Total width (mm) a | Width of movement part (mm) b | Thickness (mm) c | Sealing ribs N / f (mm) | Water pressure (bar) | Resulting movement Vr (mm) |
| DF 24 | |||||
| 240 | 90 | 4 | 4 / 20 | 01) | 25 |
| DF 32 | |||||
| 330 | 104 | 4 | 6 / 20 | 01) | 25 20 |
| DF 32/3 | |||||
| 330 | 104 | 4,5 | 6 / 35 | 01) 0,56 | 30 20 |
| DF 50 | |||||
| 500 | 124 | 4 | 8 / 20 | 01) | 35 20 |
1) Specific project-related information
Vr = Resulting movement Vr = (vx² + vy² + vz²) ½
N = Number of sealing ribs
f = Height of profile (height of sealing ribs incl. baseplate)
| Total width a1/a2 (mm) | Width of movement part b1/b2 (mm) | Thickness (mm) c | Sealing ribs N / f (mm) | Water pressure (bar) | Resulting movement Vr (mm) |
| DF 24 edge A | |||||
| 130/111 | 55/36 | 4 | 4 / 20 | 01) | 15 1) |
| DF 24 edge W | |||||
| 130/131 | 55/56 | 4 | 4 / 20 | 01) | 15 1) |
| DF 32 edge A | |||||
| 176/156 | 63/43 | 4 | 6 / 20 | 01) | 15 1) |
| DF 32 edge W | |||||
| 176/176 | 63/63 | 4 | 6 / 20 | 01) | 15 1) |
A = Sealing ribs, external W = Sealing ribs, reciprocal
1) Specific project-related information
Vr = Resulting movement Vr = (vx² + vy² + vz²) ½
N = Number of sealing ribs
f = Height of profile (height of sealing ribs incl. baseplate)
Shore A Hardness
| 75 ± 5 | DIN 53505 |
Tensile Strength
| ≥ 8 MPa | EN ISO 527-2 |
Elongation
| ≥ 275 % | EN ISO 527-2 |
Tear Strength
| ≥ 12 N/mm | ISO34-1 |
Reaction to Fire
| Class E | EN ISO 11925-1 EN 13501-1 |
Chemical Resistance
Exposure to different temperatures and chemicals:
For special stresses or exposure to different temperatures and/or chemical mediums outside the substances or situations specifically defined in DIN 4033, separate tests are always necessary.
Service Temperature
| For pressurised water | - 20°C bis + 40°C |
| For non pressurised water | - 20°C bis + 60°C |