Universal contact putty, internally reinforced, in natural white. Particularly useful for facade renovation, also for embedding reinforcing mesh. To merge the facade. As a layer improving adhesion, used on concrete surfaces, among others as a primer for undercoat and topcoat class CS I, CS II, CS III. For use mainly as a primer leveling layer reinforced with a fiberglass mesh for mineral substrates, heat-resistant plasters, plasters based on synthetic resins and thermal insulation boards, as well as for application on load-bearing mineral plasters of classes CS III and CS IV, concrete, plasters on based on synthetic resins and permanent adhesive coatings. The mortar can be used in almost all works related to gluing or thin or medium-thin leveling of surfaces on primer layers. It can also be used as a thin-layer topcoat. Meets the requirements of WTA card 2-4-94, procedure F4: technology for renovation of cracked facades.