Mounting system for box profile

A method for installing an add-on part of a vehicle on a box profile (100), or for installing a box profile (100) in a vehicle, containing the following steps:

• prepositioning at least one nut element (20) on a carrier strip (10),
• introducing the carrier strip (10), with the nut element (20), into the box profile (100),
• installing the add-on part of the vehicle on the box profile (100), or installing the box profile (100) in the vehicle, by screw-connection of the nut element (20) using a screw guided through an opening (102) of the box profile (100);
• wherein the method,
• prior to installation, has the following step:
• arranging the nut element (20) on the opening (102) by means of a positioning strip (30);
• and, following or prior to installation, but following the arrangement of the nut element (20) on the opening (102), has the following step:
• guiding the positioning strip (30) and the carrier strip (10) out of the box profile (100) and, in the process or prior to this operation, releasing the nut element (20) from the carrier strip (10).

A method for the preassembly of at least one nut element (20) on an opening (102) in a box profile (100) for a vehicle, containing the following steps:

• prepositioning at least one nut element (20) on a carrier strip (10),
• introducing the carrier strip (10), with the nut element (20), into the box profile (100),
• wherein the method has the following steps:
• arranging the nut element (20) on the opening (102) by means of a positioning strip (30),
• latching the nut element (20) to the box profile (100) on an inner side of the box profile (100), and
• guiding the positioning strip (30) and the carrier strip (10) out of the box profile (100).