Scientific researches have allowed to process recipes on on coverings and impregnators with special specificity - they make impossible the penetration graffiti or paints inside the porous mineral material and paint coverings.
On the other hand they allow to remove graffiti without damaging of basis. Those means usually protect from squalor, disruption, operation of harmful weather factors, UV radiation, they substitute ordinary hydrofobic impregnation.
"POLERS" firm testifies services in range of deletion graffiti and preventive maintenance, i.e. security of surfaces in AGS system o firm TRION TENSID AB Sweden.
Used means have essential reports, certificates and approvements.
Washing and cleaning of elevation with chemical means and pressure machines. Procedures of cleaning of elevations joint with hydorfobisation give the possibility of " breathing " to cleaned material (brick, clinker, sandstone) with simultaneous security against every kind of dirt and moisture.