The core activity of Andremo GmbH encompasses various services in the construction and infrastructure sector, particularly: Fire protection: sealing of cables, ventilation and riser pipes, as well as the renovation of weak points between fire compartments. Coatings: application of various coatings in interior and exterior areas. Manual sewer renovation: renovations in inspection shafts and sewer pipes with a diameter of 700 mm or more. Sealing / injection: sealing of cables, ventilation and riser pipes, as well as the renovation of weak points between fire compartments. Overall, the company focuses on the renovation and protection of buildings and infrastructure, particularly in the areas of fire protection and sealing.