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Sika® Watertight Concrete Powder - Water Resisting Concrete Admixture

Verified by manufacturer 4 months ago

Sika Limited Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

  • EPD

    EPD

    Certificate type

A combined water resisting and HRWR/Superplasticising admixture, used to enhance the workability of and reduce the water permeability of concrete.

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Application

  • Water retaining structures.
  • Below ground structures.
  • Swimming pools.
  • Lift pits.
  • Tunnels.

Description

Specifically formulated to produce high quality watertight concrete. Used as a constituent of the Sika® Watertight concrete system and contact with Sika Ltd is essential to ensure that full system compliance is achieved.


Features and benefits:

  • Reduced water absorption.
  • Reduced water penetration.
  • Accurate control of w/c ratio.
  • In combination with a Sika® ViscoCrete HRWR/Superplasticiser, SCC can be produced.
  • Reduced shrinkage and creep.
  • Provided in a water soluble bag for ease of dispensing.
  • Consistent performance.
  • Reduced stock and environmental issues at production plant.


Features:

  • Formulated for use in concrete with a medium to high workability (>S3 Consistence) with a minimum cement content of 350 kg/m³ and a maximum water/cement ratio of 0.45.
  • Sika® Watertight Concrete Powder has been specifically formulated to produce a S3 consistence with a w/c ratio of <0.45 at 350 kg/m³ without the addition of a separate HRWR/Superplasticiser.
  • Should the addition of a HRWR/Superplasticiser be required to achieve a w/c ratio of <0.45 it is recommended that a Sika® ViscoCrete HRWR/Superplasticiser be selected.
  • DoP 02 07 05 04 001 0 000012 1088, certified by Factory Production Control Body 0086, Certificate 541325, and provided with the CE mark.

General information

Color

White

Material

Other

Shape

Formless

Warranty description

15 year

Uniclass

Pr_20_31_03_98 Water-retaining concrete admixturesPrimary

CAWS

E10/418 Proprietary admixture

E11/435 Proprietary admixture

Product range

Concrete Admixtures

Specification data - Water-retaining concrete admixtures

General requirements

Admixtures generally.

Performance requirements

To BS EN 934-2, Table 9.

Composition

Combination fatty acid and polycarboxylate.

Appearance

White powder.

Density

0.5 kg/L.

Manufacturer guidance

Bulk density.

Chloride Ion content

<0.1 % w/w (chloride free).

Water permeability

4.75 x 10–13 ms‾¹.

Manufacturer guidance

Taywood/ Valenta.

Capillary absorption

To BS EN 480-5, 48% (7 days); 57% (90 days).

Manufacturer guidance

Capillary absorption BS EN 480-5 (% by mass of control).

Shrinkage

To BS 1881-5, 0.039%.

Manufacturer guidance

Drying shrinkage.

Expansion

0.023%.

Manufacturer guidance

Wetting expansion.

CompressiveStrength

To BS EN 12390-3, 28.2 N mm‾² (24 hours); 72.2 N mm‾² (28 days).

Flexural strength

To BS EN 12390-5, 4.1 N mm‾² (24 hours); 6.7 N mm‾² (28 days).

Modulus of elasticity

To BS 1881-121, 43000 N mm‾² (28 days).

Water vapour permeability

To BS 3177, 296 x 10‾¹² gm (Ns)‾¹.

Sustainability data

Country of product manufacture

United Kingdom

Material

Other

Third party certifications

Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

08/4606

EPD

EPD

Sika Watertight Concrete EPD

Literature

Sika Watertight Concrete Construction System BBA Certificate

Sika Watertight Concrete Construction System BBA Certificate

Sika Watertight Concrete System Brochure

Sika Watertight Concrete System Brochure

We are Sika - General

We are Sika - General

Sika Watertight Concrete Powder Product Data Sheet

Sika Watertight Concrete Powder Product Data Sheet

Case studies

BDP Studios Manchester - Sika Watertight Concrete

BDP Studios Manchester - Sika Watertight Concrete

Bank Station Capacity Upgrade, London - Watertight Concrete

Bank Station Capacity Upgrade, London - Watertight Concrete

Marketfield Way, Redhill - Basement - Watertight Concrete

Marketfield Way, Redhill - Basement - Watertight Concrete

Oxford Biochemistry – Phase Two

Oxford Biochemistry – Phase Two

Papworth Hospital, Cambridge

Papworth Hospital, Cambridge

Fairway Close, Harpenden

Fairway Close, Harpenden

1 Bank Street, Canary Wharf, London

1 Bank Street, Canary Wharf, London