Technical analysis, diagnostics and implementation of technical procedures; external control office for procedures and execution; carbonation treatment of concrete, application of corrosion inhibitors; maintenance, installation, creation and sale of all horizontal and vertical coatings, interior and exterior, application of all types of building sealing; all interior transformations and repairs of buildings, injections into existing constructions, diagnosis and removal of hazardous substances, renovation of exterior envelopes of existing constructions as well as all expert opinions, financial and technical status, execution of renovation sites in general or total contracting.