CERESIT® CN 68 Nivel is a self-levelling compound for levelling calcium sulphate, magnesite and cast asphalt screeds, fast drying screeds, cement surfaces, as well as for levelling screed layers in old buildings. CN 68 shall be applied in layers up to 20 mm thickness, in a single application, in order to obtain a perfectly flat surface, before covering with moquette, laminated floor, PVC carpet, linoleum or ceramic tiles. Available pack size: 25 kg
Before applying CERESIT CN 68 make sure that surface is dry (humidity of maximum 2% CM at a depth of 2-3 cm), clean, not frozen, crack-free and without anti-adherent materials. Before applying primers, the substrate must be polished with a single disc having adequate granulation abrasive and vacuumed with an industrial vacuum cleaner.
Pour the CERESIT CN 68 sack in 5.5 - 6 litres of cold water and stir with a low speed mixer until a homogenous paste, free of lumps, is obtained. After stirring, leave the material to rest for 2-3 minutes, then stir again and pour it on the primed surface, preferably in continuous strips 25-30 cm wide.
While pouring CERESIT CN 68, the self-levelling screed shall be levelled with a steel trowel with fine notches. The excess of self-levelling screed shall be spread in the less accessible spots (e.g. corners) using a notched trowel. To reach a perfectly smooth surface, the air shall be removed from the fresh surface by using a spiked roller after casting.
CERESIT CN 68 Nivel is a self-levelling compound used for levelling and equalising to provide the smooth surface. CN 68 is suitable for indoor application with residential traffic and for thickness 2-20 mm.
CERESIT CN 68 is suitable for levelling and equalising calcium sulphate, magnesite and cast asphalt screeds, fast drying screeds, cement surfaces, as well as for levelling screed layers in old buildings.
Setting of CERESIT CN 68 is accelerated by high temperatures, and delayed by low temperatures. Application shall be performed in dry conditions at temperatures from +5°C to +30°C. The optimal application temperature is between +15 °C and +25 °C, relative humidity under 75%. It is mandatory to comply with and ensure a sufficient drying time.