About your thermo roof A thermo roof contains of 3 elements (side profiles + joining-profilee and channel sheets): Side profile The side profile is used at the end of the thermo roof. The colour is white in the Thermo-system and aluminium in the Alu-System.  Joining-profile The joining-profile is used to join each channel sheet together. The visible top part in Termo-System is painted white and in Alu-System it's made of thick white rubber.  Channel Sheet The channel sheet's width is 980mm. With the joining-profile and side profile it fits a rafter distance of 1000mm fra center to center of the rafter.  The colour is white opal, and you can choose different depths and lengths.