Profile for separation walls and ceilings, and method for manufacturing thereof

A support profile for a supporting skeleton of a panel wall is described, with a gutter-shaped contour, comprising a bottom and two substantially parallel side walls, wherein the bottom comprises two bottom sections as well as a strip mutually insulating the two bottom sections. The support profile comprises two profile parts. Each profile part comprises a side wall and a bottom section. The two bottom sections have mutually overlapping end segments, wherein the insulating strip is located between the mutually overlapping bottom segments, and wherein the insulating strip is attached directly to the both overlapping bottom segments in order to this attach the two bottom sections to each other constructionally.