Temporary, invisible, damp-open water repellent impregnation for concrete surfaces (and other mineral porous surfaces such as terracotta, non-glazed tiles, bricks, etc.). Stoneshield is water-based with an added nano tensioactive additive and does not contain silicate nor silane components. Stoneshield can be used as pretreatment on porous or rough concrete, before applying INTELLIGENT PROTECT temporary protective peelable film.