UV-stabilized plastic in interior

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Author Message Tony Wolf, AIA, CCS, LEED-AP Senior Member Username: tony_wolf Post Number: 68 Registered: 11-2007 Posted on Thursday, September 04, 2014 - 03:42 pm:    We have an issue in which plastic, ceiling-mounted fire alarm devices are turning yellow very quickly; it seems to happen to those surfaces receiving intense fluorescent up-lighting. 1. Has anyone experienced something similar to this? 2. Do you include any specific requirements intended to avoid it?