I wanted to change my existing window films as it has rainbow effect [just like oil on ground after rain will give you the circular streak of rainbow pattern] at night when room lights are turned on. I wondered whether this is a normal phenomenon as I was told by the installer this is caused by the scratch resistant coat on the film itself? Do all films have such phenomenon. Can anyone comment on this matter? Appreciate it. Thanks.
Solar Film For Home Window, Where To Get?
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