Patent ID: 8453415

Claim:
A spacer profile for use as a spacer profile frame for an edge area of an insulating window unit for forming and maintaining an intervening space between window panes of the insulating window unit, the spacer profile comprising: a profile body comprising a material, the profile body further configured to form, in a bent state of the spacer profile, a first window side and a second window side facing the respective window panes, an inner side directed towards the intervening space between the window panes, and an outer side directed away from the intervening space, the profile body defining a chamber within the material; and, a metal film comprising a first section extending on the first window side, an outer section extending on the outer side, and a second section extending on the second window side of the profile body, and the first section and the second section each comprises a profile section extending respectively towards the other of the first section and the second section and each profile section extending into the material of the profile body, thereby providing an additional amount of the metal film adjacent to the intervening space.