Polymer-modified, fast-curing, calcium aluminate cement-based, self-levelling underlayment. Water-resistant and does not contain gypsum. Formulated for application with pump or by simply pouring to repair, level, or flatten underlayment surfaces (superfluid characteristics). Can be applied in layers of 3 mm (1/8 in.) up to 38 mm (1-1/2 in.). thick in a single application. For interior residential and commercial settings. Quick-setting: the paving composed of natural stone, ceramic, or porcelain can be installed after a hardening period of 3 hours, while soft flooring, carpets, reconstituted wood, parquets and wood flooring can be installed after 24 hours. Simply mix with water.