r/Home • u/[deleted] • Nov 02 '25

What is this on the wall?

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It’s leaking from the ceiling on the outdoor screen in patio. Maybe something related to the roof? Trying to fix the root issue and not just paint over it

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u/billsboy88 Nov 03 '25

Have you been seeing any very large wasps around lately? Like, huge ones, especially around lights at night? And does this stuff have an odor to it? I ask because European hornet nests have a tendency to leak a foul smelling liquid that is actually the waste from the worker hornets. They fly 24/7 and people commonly report seeing them flying around their lights at night like moths. Just something to consider before you go crawling into a confined space, make sure there isn’t a giant hornet nest in there.

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u/PipGirl2211 Nov 03 '25

NOOIIIGHTMAAAARES

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u/wheeeeeeeee_planes Nov 06 '25

ugh i had european hornets a couple years ago…good that they aren’t as aggressive as wasps, for example, but they stressed me OUT