PRODUCT DATA SHEET
Sika®-1
Liquid waterproofing admixture for mortar and concrete
DESCRIPTION CHARACTERISTICS / ADVANTAGES
Sika®-1 is a normal setting liquid waterproofing admix- Sika®-1 blocks the capillaries and pores in the applied
ture for mortar and concrete. cementitious system to provide an effective water
barrier against the transmission of liquid water.
USES The benefits of Sika®-1 include, but are not limited to
the following:
Sika®-1 is used for waterproofing of mortars and con- ▪ Increased impermeability of mortar/concrete
crete, in particular for: ▪ Waterproof, but vapour permeable
▪ Renders, masonry mortars and screeds ▪ Ready to use
▪ Reinforced and unreinforced concrete ▪ Easily dispersed
▪ Brick, concrete and stone substrates ▪ Chloride-free
▪ Indoor and outdoor applications, such as basements, ▪ Non-toxic
swimming pools, tunnels, water tanks, manholes,
culverts
▪ Usage in tropical and hot climate conditions
PRODUCT INFORMATION
Packaging ▪ 1,000 L IBC
▪ 200 L drum
▪ 5 and 20L pails
Shelf life 12 months shelf life from date of production if stored properly in undam-
aged, unopened, original sealed packaging.
Storage conditions Storage at temperatures between 5 °C and 30 °C. Protect from direct sun-
light, frost and contamination.
Appearance and colour Yellow liquid
Density 1.05 ± 0.03
pH-Value 10 ± 1
Total chloride ion content ≤ 0.1 %
APPLICATION INFORMATION
Recommended dosage 1.5 litres per 50kg of Portland Cement i.e. 3% by weight of cement. When
using very wet sand, Sika®-1 must be used in higher amount.
Note: Trial mixes should always be conducted to establish the exact
dosage rates and water requirements per mix.
PRODUCT DATA SHEET
Sika®-1
May 2023, Version 01.03
020705040010000001
1/2
Ambient air temperature Min. 5°C – Max. 30°C
Substrate temperature Min. 5°C – Max. 30°C
BASIS OF PRODUCT DATA LOCAL RESTRICTIONS
All technical data stated in this Data Sheet are based Note that as a result of specific local regulations the
on laboratory tests. Actual measured data may vary declared data and recommended uses for this product
due to circumstances beyond our control. may vary from country to country. Consult the local
Product Data Sheet for exact product data and uses.
IMPORTANT CONSIDERATIONS
LEGAL NOTES
The quality and waterproofness of the mixes may be
affected by one or more of the following causes: - The information, and, in particular, the recommenda-
▪ Poor quality sands tions relating to the application and end-use of Sika
▪ Excess water products, are given in good faith based on Sika's cur-
▪ Lack of adequate curing rent knowledge and experience of the products when
▪ Poorly graded sands properly stored, handled and applied under normal
We recommend you to consult nearest Cement and conditions in accordance with Sika's recommenda-
Concrete Instotute to have correct information re- tions. In practice, the differences in materials, sub-
garding the sand types and grading. strates and actual site conditions are such that no war-
ranty in respect of merchantability or of fitness for a
ECOLOGY, HEALTH AND SAFETY particular purpose, nor any liability arising out of any
legal relationship whatsoever, can be inferred either
For information and advice on the safe handling, stor- from this information, or from any written recom-
age and disposal of chemical products, users shall mendations, or from any other advice offered. The
refer to the most recent Safety Data Sheet (SDS) con- user of the product must test the product’s suitability
taining physical, ecological, toxicological and other for the intended application and purpose. Sika re-
safety-related data. serves the right to change the properties of its
products. The proprietary rights of third parties must
APPLICATION INSTRUCTIONS be observed. All orders are accepted subject to our
current terms of sale and delivery. Users must always
MIXING refer to the most recent issue of the local Product
Data Sheet for the product concerned, copies of which
Sika®-1 must be stirred slowly before use to ensure a will be supplied on request.
homogeneous, lump free consistency.
Sika®-1 shall be diluted in the gauging water. The dilu-
tion must be stirred slowly prior addition into the mor-
tar/concrete mixer. Sika®-1 can also be added neat to
the mortar/concrete mix provided that the mixture is
properly mixed to have homogeneous consistency.
APPLICATION METHOD / TOOLS
The standard rules of good concreting practice (con-
cerning production, placing and curing) are to be fol-
lowed. Refer to relevant standards.
Sika®-1 can combine with many other Sika® products.
Note: Preliminary testing is required to prove the com-
patibility. Please contact Sika technical service for
more information and advice.
SIKA ABYSSINIA
Chemicals Manufacturing PLC
Sebeta, Welete · Addis Ababa
ETHIOPIA
Phone: +251.113.679.748
Web: eth.sika.com
Sika-1-en-ET-(05-2023)-1-3.pdf
PRODUCT DATA SHEET
Sika®-1
May 2023, Version 01.03
020705040010000001
2/2
