A one-component silicone sealing compound containing a fungal agent, which prevents mildew, is characterized by high elasticity and resistance to changing weather conditions and UV radiation. Silicone is intended for sealing places exposed to water: edges of bathtubs, washbasins, showers, shower cabins, water supply installations, pipe connections. It is also used in places constantly exposed to fresh and sea water, such as swimming pools, boats, yachts, port facilities.