KÖSTER 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 leveling layer. It may be applied onto a variety of substrates .KÖSTER SL Premium can be applied in layer thicknesses between 2 and 15 mm; in depressions up to 30 mm.
Forbrug: approx. 2,0 kg / m² per mm layer thickness