Method for mounting panels and a mounting element for insertion into panel holes

A panel, for example facade panel. is mounted to a support structure, for example a wall, by using spacer inserts (1) in fixation holes (3) of a facade panel (2). The spacer insert (1) comprises an outer circular ring (4) for abutting an inner rim (3A) of the fixation hole (3) and comprises vanes (5) extending from the ring (4) inwards towards a central region (7) of the ring (4) but not to the center (6) of the ring (4) so as to leave open a central guiding passage (8) for a screw (17) or nail for fastening the panel (2) against a support structure by the screw (17) or nail. The vanes (5) are resilient for allowing lateral movement of the ring (4) and the panel (2) relatively to the fastened screw (17) or nail extending through the guiding passage (8).