Good source for "temperature change" ...

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Author Message Richard Fost AIA, CSI, CCS Senior Member Username: richardfost Post Number: 12 Registered: 12-2008 Posted on Wednesday, July 03, 2019 - 01:12 pm:    In MasterSpec, many sections include, under Part 2 "Performance Requirements," the paragraph "Thermal Movements:" along with a subparagraph that includes the temperature range (ambient and material surfaces) to be accounted for by the person engineering the system/assembly. By default, the range is "120 deg F, ambient; 180 deg F, material surfaces". I'm wondering, when projects range across the country/world and climate zones, how many of us modify those numbers to reflect the climatic conditions where a project is located? Also, does anyone have a good source (website maybe?) for the climatic conditions where a project is located? I used to look up historical data on NOAA's website but have not been able to find similar data on NOAA's site over the past 4 or so years. Thanks. Richard Brett Scarfino (Unregistered Guest) Unregistered guest Posted on Friday, July 05, 2019 - 11:24 am:    Richard - Take a look at AAMA 501.5 / part 8.