SIKA DAVCO Lanko 173 Internal / External Floor Leveller is a cement basedlevelling compound for use over concrete sub-floors prior to theapplication of floor coverings. Lanko 173 Floor Leveller is ideal forrepairing small holes, static cracks and depressions. It requires theaddition of only potable water to achieve a highly fluid consistencyproducing a smooth, level, and hard surface. Lanko 173 FloorLeveller can be applied in multiple layers with each layer being nomore than 25mm thick or can be economically extended with agraded aggregate to fill greater depths.USES:Lanko 173 Floor Leveller is used to repair dry areas of structurally sound concrete subfloors.Lanko 173 Floor Leveller is used as a subfloor underlayment prior to installation of carpet, tiles orother floor covering systems. It is compatible with commonly used adhesives and normally canreceive floor coverings within hours of installation – please see Test Data below. Lanko 173 FloorLeveller is not a wearing surface and must be protected with a compatible topping, floor coveringor coating. Lanko 173 is not suitable for use in permanently wet areas of immersion.