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I wonder why the church's second floor window is black (fifth photo from the end). Do they insolate floors too? But then why do the walls of the second floor an
by devenvdev 6y ago
I wonder why the church's second floor window is black (fifth photo from the end). Do they insolate floors too? But then why do the walls of the second floor and the roof leak?
- simlevesque 6y agoI think that yes they isolate floors too and it looks like the front of the house leaks more heat than then roof.
- joshvm 6y ago> (Note: Glass windows are opaque to thermal cameras; the temperature measured here is the surface temperature of the window.) This is not completely correct. Glass tends to reflect infrared radiation. For example if you view a car windscreen from the air with a thermal camera, you'll see a reflection of the sky. It's more complicated than that, because you'll also detect the emitted blackbody radiation from the glass (for whatever temperature).