ThePMT cable duct covers were previously installed in such a way that three components (two main floor profiles and one connecting floor profile) were covered. In practice, however, it became apparent that some cable duct covers had become detached from the profiles. With the new cable duct covers, these are now only clicked onto the connecting floor profile.

The cover ends just before the main floor profiles so that unevenness on the roof or even slight movements of the profile strand cannot cause the covers to come loose.