Litokol HydroLevel 1-30 Leveling Compound Multi-purpose polymeric self-polymerizing quick-set leveler, anti-fracture, with very low cement content for smoothing, leveling, and creating slopes. Engineered also for wet areas, constantly wet and underwater, such as balconies, terraces, and swimming pools, before laying porcelain stoneware and natural stone coverings. Features Ideal for Swimming pools and fountains, Terraces and balconies, Indoor wet areas (bathrooms, showers) These are 44 lbs. bags and are sold individually Engineered with ZeroCrack Intelligence HydroLevel 1-30 levels and fills thicknesses from 1 to 30 mm in new or pre-existing substrates, achieving a smooth finish Walkability and tile laying after only 3 hours It is suitable for substrate leveling in electric and hot water underfloor heating HydroLevel 1-30 levels and fills thicknesses from 1 to 30 mm in new or preexisting substrates, achieving a smooth finish Classified CT C25 F6 EN 13813