Product Data Sheet Safety Data Sheet Show all documents
Sika®-1+

Sika®-1+

WATER RESISTING CONCRETE ADMIXTURE

Sika®-1+ is a liquid water resisting admixture used to reduce the permeability of concrete. Used in combination with Viscocrete® or ViscoFlow® Superplasticiser Technology, watertight concrete can be produced which is suitable for BS8102:2022 Type B construction (grades 1-3).

  • Reduces water absorption
  • Reduces water penetration
Sika®-1+
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Product Data Sheet Safety Data Sheet Show all documents

Watertight Concrete Typical Details

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Usage

Sika®-1+ has been specifically formulated to produce high quality watertight concrete. Sika®-1+ is used as a constituent of the Sika ®Watertight concrete system and contact MUST be made with Sika Ltd to ensure that full system compliance is achieved. This Technical Data Sheet MUST be read in conjunction with Sika publication Sika® Technology and Concept for Watertight Construction.   Typical Applications:
  • Water retaining structures
  • Below ground structures
  • Swimming pools
  • Lift pits
  • Tunnels

Advantages

  • Reduces water absorption
  • Reduces water penetration

Packaging

20 L drum, 200 L drum, 1000 L IBC

Colour

Pink liquid

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

Conforms to the requirements of BS EN 934-2, Table 9.

DoP 41227439, certified by Factory Production Control Body 1029 and provided with the CE mark
DoP 18428572, certified by Factory Production Control Body 0120 and provided with the UKCA mark

BBA Agrément Certificate 19/5643
Product Information

Chemical Base

Neutralised amino alcohol

Shelf Life

12 months from date of production if stored in unopened and undamaged original sealed containers.

Storage Conditions

Store properly in undamaged unopened, original sealed packaging, in dry conditions at temperatures between +5°C and +35°C. Protect from direct sunlight and frost.

Density

~1.02 kg/L (at 20°C)

pH-Value

8.5 ± 1.0

Total Chloride Ion Content

<0.1 % w/w (chloride free)

Equivalent Sodium Oxide

<0.1 % w/w (alkali content)

Application

Application Information

Compatibility

Sika®-1+ can be combined with the following Sika products:

  • Sika® ViscoCrete® or Sika® ViscoFlow® superplasticizers
  • Sika® Plastiment® plasticizers/ superplasticizers
  • Sikament® superplasticizers

In all cases, trials are recommended before combining products.
Consumption

Recommended Dosage

1.5 % by weight of cement or a minimum of 5.25 L/m3

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