AQUAFIN®-1K is a highly effective product for cementitious waterproofing, particularly where a reliable, long-term water tank leakage solution or nearby regions are required. Waterproofing of new and existing buildings in ground-covered areas against ground moisture, seepage water, and water under pressure, water pressure from the inside, retrospective internal waterproofing against damp penetrating from the exterior, as well as a horizontal membrane within and beneath walls and in building plinth areas. Weathered or greenery-covered, concrete cold roofs above underground garages, prefabricated garages, service water containers, waste water containers and pipes, retaining walls, and sluices.