Photos: Iowa City beautification project adds colors to Ped Mall passageway

All 105 panels in the corridor next to the Graduate Hotel in downtown Iowa City are being cleaned and an acrylic, dichroic finish is being affixed to them

Jim Slosiarek

Aug. 12, 2025 4:18 pm

Nick Heisdorffer with Energy Control of Iowa, in North Liberty, smooths 3M DFPA Blaze dichroic glass film on a window panel of the covered passageway leading to the Pedestrian Mall in Iowa City on Tuesday. Heisdorffer and Alex DeWald are cleaning the 105 panels and affixing the acrylic glass finish to them. The beatification project should take the rest of the week to complete. The colors change as the film is viewed from different angles. (Jim Slosiarek/The Gazette)

Alex DeWald (left) with Energy Control of Iowa, in North Liberty, washes a window panel of the covered passageway leading to the Pedestrian Mall in Iowa City on Tuesday. DeWald and Nick Heisdorffer are cleaning the 105 panels and affixing acrylic, dichroic glass finish to each panel. The beatification project should take the rest of the week. The colors change as the film is viewed from different angles. The film shifts colors in the warm tones of cyan/blue/magenta in transmission and red/gold color regions of the spectrum in reflection, according to the 3M product information. (Jim Slosiarek/The Gazette)

Alex DeWald with Energy Control of Iowa, in North Liberty, washes a window panel of the covered passageway leading to the Pedestrian Mall in Iowa City on Tuesday. DeWald and Nick Heisdorffer are cleaning the 105 panels and affixing acrylic, dichroic glass finish to each panel. The beatification project should take the rest of the week. The colors change as the film is viewed from different angles. The film shifts colors in the warm tones of cyan/blue/magenta in transmission and red/gold color regions of the spectrum in reflection, according to the 3M product information. (Jim Slosiarek/The Gazette)

Nick Heisdorffer with Energy Control of Iowa in North Liberty, positions 3M DFPA Blaze dichroic glass film on a window panel of the covered passageway leading to the Ped Mall in Iowa City on Tuesday. Heisdorffer and Alex DeWald are cleaning the 105 panels and affixing the acrylic glass finish to them. The beatification project should take the rest of the week. The colors change as the film is viewed from different angles. The film shifts colors in the warm tones of cyan/blue/magenta in transmission and red/gold color regions of the spectrum in reflection, according to the 3M product information. (Jim Slosiarek/The Gazette)

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