Roof trim molding

[Steve P]

Are they for show or do they have a purpose? Have a leak where the molding meets the windshield. My windshield has no seal on top, is that normal.

2014 Taurus SHO.
Steve P

 

[Texas Marauder]

The strips that run front to back cover a weld seam. There is no external seal along the top of the windshield.