The impregnant used superficially should be applied on the surface (optional technique). After about 20 minutes the surface can be used again.

Formplast Hydro added as the ingredient of concrete mixture 2% - 5% proportion by weight in comparison with used cement. This great proportional interval depends on principle: the bigger the percentage of Formplast the more adhesive and resistant mortar. Example: 0,5-2,5 l of preparation add into make-up water when 50 kg of cement is used. It is possible to use the preparation by such construction work as: stairs casting - on, levelling and complement of cement pourings and window sills, joining of concrete elements.