SubCrete®, a special concrete product of Çimsa, is specially developed following the tests carried out in accordance with the TS EN 12390-8 standard with a water penetration depth of 30 mm, considering the groundwater effect on the structure. The product provides savings on construction costs with its ability to reduce the use of membrane materials that provide water insulation. Offering an economic and long-term construction solution, the product can be used in underground parking areas, basement floor walls and floor coverings. The product provides safety against leakages in swimming pools and other structural members in contact with water.