TADELAKT (Moroccan plaster). We constructed a beautiful washbasin, which we proofing with black soap and finally waxing hot linseed oil and melted beeswax. The mixture used contains lime, marble dust, quartz sand and white cement in proportions 1.5: 3: 2: 1. All materials were sieved through a sieve with apertures of 0,5 mm. The mixture spreads easily and dries relatively quickly. can be applied with a trowel or spatula and a sponge.