phoukas OP , 11 months ago I replaced the insulation with some new stuff first, but that is exactly what I ended up doing! It didn’t vent anywhere. The back of the hole backed up to what felt like tar paper. I assume the back of the siding.
I replaced the insulation with some new stuff first, but that is exactly what I ended up doing! It didn’t vent anywhere. The back of the hole backed up to what felt like tar paper. I assume the back of the siding.