After putty, the surface should be re -processed.

— Putty. With an uneven surface, it must be leveled using putty. Before that, it must be treated with a primer.

— Padding. After putty, the surface should be re -processed. Apply filled primers (for small defects), and for the bases of porous — deep penetration. The primer forms a thin film on the surface, which will prevent the appearance of various paint tones.