System 106 flush-mounted housing, 3-fold. The housings can be installed once the facade is completed. Available in an anthracite-painted metal alloy: robust materials that ensure durability. Features: vertical and horizontal mounting allows for optimal adaptation to the installation location. Suitable for use in facades with thermal insulation composite systems. Note: System 106 flush-mounted housing, 1-fold, is only for use with door station modules and System 106 Keyless In components.