The core activity of TK Isol AG includes the planning, consulting and execution of technical insulation and fire protection measures, including: insulation, heating and cooling installations, ventilation systems, sanitary installations, steam pipes, fittings and apparatus, process piping, and fire protection measures such as firestops, cladding, linings and closures, intumescent coatings, smoke and heat extraction systems, and joint sealing. The company also offers consulting, planning, training, documentation, optimization and testing in these areas.