The products bearing this sign are a group of raw materials and chemical additives that will be great in environmental construction projects. Ecological construction (otherwise: sustainable) is an activity related to the design and erection of construction structures using solutions appropriate for sustainable development. In the case of the PCC group, this activity is manifested in the design and production of raw materials and chemical additives as least invasive to the environment as possible and so that building materials and construction solutions are environmentally friendly and allow significant limiting energy consumption throughout the life cycle of structures.