Koster SL Premium Self Levelling 25Kg
£77.17 (inc. VAT and standard delivery)
Koster SL Premium Self Levelling 25Kg
Koster SL Premium is a high quality, fast setting underlayment that hardens tension free and provides a smooth, level surface ready to receive subsequent flooring systems. It hardens within hours to a smooth, strong, and multifunctional levelling layer. It may be applied onto a variety of substrates such as Koster VAP I 2000 coatings, concrete, etc. Koster SL Premium accepts all major floor coverings and is compatible with most adhesives.
It is resistant to abrasion and wear. If the material is installed onto smooth, non-absorbent substrates such as Koster VAP I 2000 coatings, the substrate must be primed with Koster VAP I 06 Primer. Koster SL
Premium can be applied in layer thicknesses between 5 and 15 mm, can be feathered out to 2 mm, and installed in depressions up to 30 mm.
KÖSTER SL Premium is designed for levelling uneven concrete surfaces as well as for surfaces covered with Koster VAP I 2000 vapour barriers. It is intended for interior use.
Technical Data:
| Bulk density (powder) | 1.3 g/cm³ |
| Compressive strength (28 days) | approx. 45 N/mm² |
| Bending tensile strength (28 days) | approx. 10 N/mm² |
| Tensile strength (depending on substrate) | up to 4 N/mm² |
| Application temperature | min. + 5 °C |
| Ideal application temperature | + 15 °C |
| Pot life | 20 minutes (+ 20 °C) |
| Resistant to foot traffic | after 3 – 4 hours* |
| Can be tiled over | after 4 – 6 hours* |
| Trafficable (soft tires) | after 24 hours* |
| Application of Parquet, carpet | after 24 – 72 hours* |
| Application of synthetic flooring | after 24 – 72 hours* |
| Layer thickness | 5 – 15 mm |
| in depressions up to | 30 mm |
| Can be feathered out to | 2 mm |
Consumption
Approx. 1.5 kg / m²; per mm layer thickness
Data Sheet: Koster-SL-Premium
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