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I noticed ice forming on the side of my house.

Is this likely a problem or just normal winter thing?

enter image description here

FreeMan
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Tenzin Khangsar
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    A bit odd, since it requires dripping water. Not usually where you see water dripping. Possible a roof leak/ice dam problem. – crip659 Feb 05 '24 at 21:43
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    Indeed, big question is where the water came from. On the plus side, your insulation must be reasonably good. – Jon Custer Feb 05 '24 at 21:49
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    Not shown, but wind and icicles on the edge might cause it, but would need a high wind, that close to the top. – crip659 Feb 05 '24 at 22:05
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    Surely you noticed it's alignment with the end laps. Maybe those are drip edges that shed the water instead of allowing it to run along the bottom edges further. It would be driven to run by wind or gravity. I would look upstream of the drips for the water source. Alternatively, I suppose it could be coming from inside the wall, but that's relatively unlikely. – popham Feb 05 '24 at 23:00
  • I just realized that the wind would have pushed the drips of water further on the lower surface. That leaves a sloped wall plus gravity, but those drops also would have moved horizontally after dripping. – popham Feb 06 '24 at 00:02

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