In 1976, G+H Isolierung, known originally as G+H MONTAGE GmbH, was divested off Grünzweig + Hartmann & Glasfaser AG, which itself had been established back in 1878. Over the years, the company has specialized in technical insulation solutions for protection against heat, cold, noise and fire, and continues to do so today. G+H is part of the VINCI Group, the world’s largest construction company. Within VINCI, G+H forms part of VINCI Energies.