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Nr. 0.012 GB
June 2009, Sfb (4-) Sq 4
Latest update Sept. 2009
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Interior and exterior self-levelling compound
For straigthening and levelling substrates of e.g. concrete and screeds. Suitable for patios, balconies, car washes, industrial floors, wet rooms, and for locations exposed to upcoming moisture. Produces finished surface ready to receive ceramic tiles or other floor coverings.
• For interior and exterior use
• Foot traffic after 3 hours
• Water and frost resistant
• For slope building
• Suitable for underfloor heating
• Thickness: 2 - 25 mm
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| Product |
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Grey, fast-setting, polymer modified powder on the basis of aluminous cement.
Applicable by trowel or pump.
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| Coverage |
Approx. 1.7 kg per m² /mm thickness.
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| Packaging |
Available in 25 kg PE lined paper bags.
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| Surfaces |
Concrete subfloors, max humidity 95% RH. Cohesive strength should be min. 1 N/mm2.
Ceramic tiles, terrazzo.
For further information and details, please contact our Technical Services Dept.
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| Surface preparation |
Exterior
The surface should be dimensionally stable, sound, clean and free from dust and laitance. Further, substrate should be water and frost resistant. Existing concrete floors should be sanded/ cleaned prior to levelling.
Concrete floors should be primed with Alfix PlaneMixPrimer diluted 1:6 with water.
Dense surfaces require pretreatment with Alfix Expoxy Grunder, 2-component epoxide primer system, added sand once applied.
Priming of other surfaces, please consult our Technical Services Dept.
Outdoor temperature should be min. +10°C while working.
Allow primer to dry before commencing further treatment, usually drying time is 1 hour at +20°C.
Application of levelling compound should be made within 24 hours after priming.
Use self-adhesive foam tape to retain at doors, around floor drains, etc. If possible prevent compound from obtaining contact to walls. For thicknesses exceeding 5 mm, always apply self-adhesive foam tape for walls.
Should levelling imply several layers, priming before each new application is required.
Interior
The surface should be dimensionally stable, sound, clean and free from dust and laitance. Residues from grease or soap can be removed with Alfix Deep Cleaner. To remove laitance or roughen smooth surfaces, use mechanical preparation, such as sanding or grinding, and vacuum subsequently.
Concrete floors should be primed with Alfix PlaneMixPrimer diluted 1:3 with water
Priming of other surfaces, please consult our Technical Services Dept.
Ensure a room temperature of min. +10°C while working. Allow primer to dry before commencing further treatment. Application of smoothing compound should be made within 24 hours after priming.
Use self-adhesive foam tape to retain at doors, around floor drains, etc. If possible prevent compound from obtaining contact to walls. For thicknesses exceeding 5 mm, always apply self-adhesive foam tape for walls.
Should levelling imply several layers, priming before each new application is required.
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| Mixing and levelling |
Add 4.0-4.5 litres of clean cold water per 25 kg bag of powder. Pour water into a clean container and sprinkle in powder while stirring continuously. If possible, use large mixing container or drum for more bags at a time and mix until a lump-free, easy-flowing mix is obtained. Mixing time is approx. 2 minutes using rotary drill paddle.
Pour or pump Alfix PlaneMix 25 onto the prepared substrate and spread with notched or straight trowel until the compound flows together into a smooth and even surface.
For thicknesses exceeding 25 mm, incorporate kiln dried sand to extend coverage.
NB!
Additional water should not be added to levelling compound already starting to set.
Note that the temperature of mixing water will influence working time/pot life.
Over dosage of water will reduce strength and may produce laitance. Protect from draughts, direct sunlight, and heat, especially during the first 3 days upon application. If possible cover up with foil or plastic sheet.
Colour and appearance of finished levelling layer will be influenced by substrate moisture content and weather conditions.
Close broken packaging carefully after use and use the rest within the shortest possible time.
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| Flooring |
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Prior to further installation, make sure that the relative humidity on location corresponds to the floor covering in question. Curing rate is influenced by temperature, humidity, ventilation, as well as sub-floor construction.
Tiling: 24 hours at +20°C
Tanking and tiling: Allow min. 48 hours at +20°C.
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| Precautions |
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| Cleaning |
Tools and tiles should be cleaned with water before the compound sets.
Cement-based products harden when mixed with water, hence do not pour surplus PlaneMix into the drain system.
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| Test |
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Low emission, GEV-EMICODE EC1 - test defined by the German institute Gemeinschaft Emissionskontrollierte Verlegestoffe.
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| Technical enquiries |
Levelling compounds - plane, smooth surfaces with Alfix
Wet rooms – Tanking with Alfix
Product info on:
• Alfix Deep Cleaner
• Alfix PlaneMixPrimer
Product health and safety data /COSH
For further information, please consult our Technical Services Dept.
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| Working temperature |
+10°C - +25°C
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| Density |
2.1 kg/litre (mixed with water)
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Flow EN 12706
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Approx. 115-125 mm
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Working time
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20 - 30 minutes at +20°C
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Foot traffic
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After 3 hours at +20°C
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| Floor covering |
After 24 hours at +20°C |
| Full strength |
After 7 days at +20°C |
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Compression strength
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25 - 35 N/mm²
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| Shelf life |
Min. 12 months in unopened bag
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