Product Data Sheet Show all documents

Sika Waterbar® DF AT

External waterbars for expansion joints

Sika Waterbar® DF AT are flexible, external waterbars for expansion joints made from PVC-P.

  • Permanent flexibility
  • Homogeneous waterbar
  • Suitable for low to medium levels of hydrostatic water pressure
  • Resistant to all natural mediums in soil and groundwater
  • Robust products designed for handling and installation on site
  • Suitable for thermal welding on site
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Product Data Sheet Show all documents

Usage

Watertight expansion joint sealing in new concrete structures.
Typical structures include for example:
  • Residential building basements
  • Commercial building basements
  • Underground car parks
  • Water retaining structures
 

Advantages

  • Permanent flexibility
  • Homogeneous waterbar
  • Suitable for low to medium levels of hydrostatic water pressure
  • Resistant to all natural mediums in soil and groundwater
  • Robust products designed for handling and installation on site
  • Suitable for thermal welding on site

Packaging

TypeRoll length [m]

SikaWaterbar® DF-24

15

SikaWaterbar® DF-32

15

Colour

Yellow

Product Details

Product Information

Composition

PVC-P (plasticized)

Shelf life

Up to 60 months from date of production.

Storage conditions

Store in originally sealed, undamaged packaging, in a dry place at temperatures between +5°C and +30°C.

   

Long-term storage ≥ 6 months:

  • The storage area must be covered, cool, dry, free from dust and moderately ventilated.
  • The waterbars must be protected from heat and UV radiation.
 

Short-term storage < 6 months (on construction sites, outdoors < 6 weeks):

  • In dry conditions, protected from UV radiation, snow and ice, and any kind of contamination or mechanical damage.
  • Store separately from any potentially harmful or damaging materials, plant or equipment such as structural steel, steel reinforcement, fuel or vehicles, etc.
  • Store away from trafficked areas and roads on site to avoid damage.
System information

System structure

Suitable for welding with all other PVC-P based Sika Waterbar® types.
Fixing of SikaFuko® injection hoses: Circlips
Technical Information

Shore A hardness

75 ± 5

(DIN 53505)

Tensile strength

>12 MPa

(EN ISO 527-1/-2)

Elongation

>300 %

(EN ISO 527-1/-2)

Tear strength

>12 N/mm

(ISO 34-1)

Ambient maximum temperature of liquids

Pressurised water-20°C min. / +40°C max.
Non-pressurised water-20°C min. / +60°C max.

Chemical resistance

Permanent resistant at +23°C: water, seawater, alcalic water and wastewater, deicing salt solutions.
Temporarily resistant against: diluted anorganic alcalies and mineral acids, mineral oils.
PCV-P waterbars are not compatible with bitumen.

Reaction to fire

Class E

[EN ISO 11925-2][EN 13501-1]

Application

Application Information

Ambient air temperature

+5°C min. / +35°C max.

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