A triangular double-sided support element with a pre-set module incline angle. Intended for ensuring the optimum incidence angles when setting up solar modules onto building roofs. Generally for a landscape layout of standard sized modules in a single row. The triangular support element is intended for mounting solar modules on level roofs or roofs covered with sheet metal roof coverings, to which they are fastened simply by using suitable screws or weight elements. The use of additional fasteners is not needed. The support element is customized to the size of the solar module and the requested spacing between rows.