Reivindicaciones

1. Junction profile for glass wool ducts, wherein the profile is manufactured using smooth plates made of metal, the profile comprises: - a rectangular vertical upper area (2) of the plate, - a fold at the lower end of said vertical upper area (2) forming a rectangular horizontal section (3) at an angle of 90° to said vertical upper area (2), the profile is charcterized in that: - at the opposite end of said horizontal section (3) a vertical extension (4) emerges 90° downwards, and - at the lower end of said vertical downward extension (4) the plate is folded upwards in a vertical direction creating an area (4') of similar size which backs said vertical downward extension (4), and - a subsequent rectangular horizontal protruding extension (5) adopts the form of a 90° angle at the upper end of said area (4') along the back of said horizontal section (3).