AQUAFIN®-CJ7 is used for interior waterproofing of construction joints in concrete structures which are subject to continuous or occasional exposure to groundwater, hillside water and/or surface water. AQUAFIN®-CJ7 is suitable for applications of usage class A, wear classes 1 and 2 in accordance with the technical rules for concrete structures that are impermeable to water, from the German committee for reinforced concrete (*1).