A composite profile, method of creating a miter joint between two such composite profiles and use thereof

A method of creating a miter joint of two composite profiles, the method comprising the steps of:

• providing two composite profiles each comprising a polymeric core and a side profile configured to be provided on an external surface of said core profile, said composite profiles having a longitudinal direction Y, a depth direction X perpendicular to the Y-direction and a height direction Z, perpendicular to the X and Y directions,
• wherein said polymeric core profile and said side profile comprise a first set of coupling means for attaching the side profiles in a first position on the polymeric core profile and a second set of coupling means for attaching the side profiles in a second position on the polymeric core profile,
• wherein the side profile is repositioned over a distance A in the Z-direction when coupling the side profile and polymeric core profile with the second set of coupling means versus a coupling with the first set of coupling means;
• positioning the side profile in the first position on the polymeric core profile;
• and subsequently
• sawing or cutting each of the composite profiles to a predetermined length under an angle of between 5° and 85°, the angles allowing joining both composite profile in a miter joint;
• subsequently
• shifting the side profile of each composite profile from the first position to the second position on the polymeric core profile, thereby creating a section of the polymeric core profile at the sawed or cut edges to protrude from the side profile;
• welding together two facing protruding sections of the composite profiles to create the miter joint.