Mending, levelling and smoothing of wall and ceiling surfaces

Filling of installation cracks and joints

Filling of installation cracks and joints, which are up to 5 cm deep, with NIVELIN REPARATUR, HOBI KIT or ELEKTROFIX has at least two advantages over the use of rough traditionally prepared mortar, namely:   

• the first is their good volume stability (NIVELIN REPARATUR and HOBI KIT shrink extremely little while drying, therefore, they rarely crack even in case of thicker applications and they adhere well to the substrate), 
• and the second is extremely short drying time to the final treatment (only a few days, which is a few times less as in case of application of traditional rough lime-cement mortar of the same thickness).

No special preparation of cracks and joints (other than moistening) is required prior to filling. There exists relatively short time for the application after all three compounds have been prepared: for NIVELIN REPARATUR and HOBI KIT maximally 25 to 30 minutes, and for ELEKTROFIX only 5 to 6 minutes. Smooth the surface of the applied compound immediately after it begins to harden.

You can already polish the surface after 12 hours, and finely level the application after 2 to 3 days with JUBOLIN, JUBOLIN P-25 or NIVELIN if necessary. If such levelling is not necessary, you can paint the surface then with one of interior wall dispersion paints.            

for ~1 cm thick application on a m² of a surface, you will need ~10 to 12 kilos of NIVELIN REPARATUR or ~10 to 12 kilos of HOBI KIT or ~10 to 12 kilos of ELEKTROFIX.

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