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A comment on Ask HN: Why don't houses in California have white roofs?. Parent comment

Re:Ask HN: Why don't houses in California have white roofs? by LinuxBender on Thursday June 17, 2021 @08:51PM (#27546148)
I watched them put it on. They put a frame around the roof, sprayed it on, then after a bit sprayed on a reflective coating. After a tiny bit they left. It was really fast. This was on a flat roof. It's probably slower on sloped roofs.
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Re:Ask HN: Why don't houses in California have white roofs? by ajoy on Thursday June 17, 2021 @08:54PM (#27546178)
Cool. I think I have seen it on commercial flat rooftops. Haven't seen it on residential roofs.
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