Winter concrete TB S 30

Product description

Fescon Winter Concrete is a special concrete that enables successful casting during winter at temperatures as low as -15°C.

  • strength class C 25/30
  • frost-resistant
  • good workability
  • no chlorides

Applications

  • horizontal grouting of elements
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EAN code Product name Product number Package size
6416841530042 WINTER CONCRETE TB S 30 53004 25 kg
6416841330048 WINTER CONCRETE TB S 30 33004 1000 kg

Instructions

Refer to the bag for how much water the concrete requires. Add the dry material to the water and mix with a concrete mixer for around ten minutes. With a power mixer, around one to three minutes of mixing is sufficient. Let the mass stand for a while and mix it again for a short while. Find the correct consistency at this stage by gradually adding the rest of the water. We do not recommend adding all of the water right at the start. If you are unable to use the concrete immediately after mixing, we recommend mixing it again before casting. The finished concrete remains workable for around half an hour.

The base must be undamaged and clean. Snow and ice must be melted away from the base. If necessary, also remove the weak-strength cement paste layer. Best adhesion can be achieved to a rough base. When using galvanised steels, you must make absolutely sure that the coating has become passive.

Casting should be done as soon as possible after mixing. If necessary, vibrate the casting lightly or ram it. Recommended casting layer thickness 15-100 mm. Follow the instructions of the designers and the official regulations on winter concreting when doing casting work.

The fresh casting must be protected from snow and rain. Strength development continues without additional heating in temperatures above -15°C.

Waste handling

Hardened product and empty, dry packages can be delivered to a landfill. A liquid product must be delivered to a hazardous waste reception point.

Technical information

Water requirement 2.4 - 3.0 l / 25 kg of dry product
Finished compound 11 - 12 l / 25 kg of dry product
Composition Portland cement, natural sand (max. grain size 3.0 mm), additives that improve workability and ensure strength development in freezing temperatures.
Package size 25 kg and 1000 kg
Lowest usage temperature

- 15°C

Workability time approx. 0.5 h
Strength class C 25/30
Compressive strength

K 30

Strength development

1 day at +20°C approx. 20 MPa
7 days at +20°C approx. 30 MPa
28 days at +20°C approx. 40 MPa
7 days at -15°C + 7 days at +20°C approx. 25 MPa
7 days at -15°C + 28 days at +20°C approx. 35 MPa

Exposure class XC 2, XF 1 (100 years)
Flow/plasticity

approx. 140 mm

References

Other links

The information is based on tests and practical experience. We cannot affect conditions at the work site so we cannot assume responsibility for the end result affected by local conditions.

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