A load carrying bar

A load carrying bar (1) comprising a channel (5) with an opening (6). The channel (5) is adapted to receive a fastening member for fasten a load carrying bar accessory to the load carrying bar (1). A cover (10) is arranged to seal the opening (6) of the channel (5). The cover (10) is adapted to be deformed in the proximity of the opening (6) as the fastening member is slid along the length of the channel (5).