Articulation for sectional door panels, in which the articulated panels (1) and (2) determine, respectively, a housing conformation (3) and a prominent conformation (4), which correspond to a continuous curvature ( 5) in which both parts are maintained with a constant separation without contact between them, while the hinge (6) of the joint is established with its axis (7) housed in a hole (8) than one of the panels (2 ) defines in one part of the confrontation with the other panel (1), without this facing panel (1) making contact with said axis (7) of the hinge (6).
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