Patent ID: 8511023

Claim:
A decorative panel array on a supporting wall comprising a plurality of main runners and cross runners assembled between the main runners, the main runners and the cross runners each having bolt slots extending continuously along substantially their full lengths and open in a forward direction, a set of wall brackets attaching the runners to the wall, the runners being spaced a predetermined distance from the wall, a plurality of square metal ceiling panels carried on the runners, the aforesaid panels having rearwardly directed peripheral flanges with reentrant areas received and retained in the bolt slots of the runners, a rectangular periphery of the array having four sides being trimmed by shallow trim channels extending substantially continuously along said four sides, the channels being retained on adjacent ones of said runners by clips secured to said adjacent runners, the trim channels having parallel flanges and an intermediate web, one of the trim channel flanges bearing directly against the wall or bearing against a compressible gasket engaging the wall, another of the flanges overlying a portion of a bolt slot of an adjacent runner.