Description
Sika® Cemflex®
Sika® Cemflex® is an acrylic based emulsion, which improves the water resistance, and adhesion of Portland cement based composites.
- Watertight
 - Ideal for submerged or subterranean waterproofing
 - Good abrasion resistance
 
Usage
Sika® Cemflex® mixed with Portland cement and water forms an effective waterproofing slurry that is used in conjunction with Cemflex® Fabric for:
- Reservoirs
 - Shower floors and walls
 - Balcony and veranda floors (under tiles)
 - Retaining walls
 
Sika® Cemflex® added to a sand/Portland cement slurry forms a bonding coat for:
- Plaster
 - Render
 
The slurry can also be used for waterproofing between two skins of external brick walling.
Advantages
- Watertight
 - Ideal for submerged or subterranean waterproofing
 - Good abrasion resistance
 - Non – toxic
 - Oil resistant
 - UV stable
 
Packaging
5, 25, 200 and 1000 ltr Containers
Fabric: Available in 250M rolls (size of roll may vary at times)
Colour
Liquid – Off white (Pale Grey)
Composition
Blend of liquid Polymers
Shelf life
12 Months in original, unopened container.
Storage conditions
Store in a dry area between 5ºC and 35ºC. Protect from direct sunlight.
Density
Approximately 1.04kg/litre
pH-Value
+ 8.0
Mortar mix design
| Sika® Cemflex® | Water | Portland Cement | Yield | 
| 1 litre | 1 litre | 3.4kg | 3.2 litre | 
| 5 litre | 5 litre | 17kg | 16 litre | 
| 25 litre | 25 litre | 85kg | 80 litre | 
Ambient air temperature
Min. 5°C – Max. 35°C.
Substrate temperature
Min. 5°C – Max. 30°C.
Consumption
| Usage | 1L Cemflex produces | Total Coverage | 
| Waterproofing slurry | 3.2 litres | 1m2 (with membrane) | 
| Bonding | 4.5 litres | 8 – 10m2 | 
CLEANING OF EQUIPMENT
Remove uncured Sika® Cemflex® slurry from tools with water. Cured material can only be removed mechanically.




