The core activity of Graber Holzbau GmbH is the provision of services and products in the field of timber construction, particularly in the following specialized areas: Carpentry (construction of buildings, garden houses, small animal shelters, etc.), Roofing (roofing and renovation), Solar technology (installation of solar energy systems), and Interior finishing (apartment construction and renovation, wall construction, etc.). The company thus offers a comprehensive range of services and products in the field of timber construction and building technology.