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bee-man 05-01-2013 11:17 AM

Aluminum undereave vent residue
4 Attachment(s)
I installed multiple aluminum Air Vent 16"x4" vents over my 2" soffit holes about 6 months ago. I recently noticed an odd residue which I thought was bird poop, but upon closer inspection appears to be some type of oxidation or salt buildup. I do live in a tropical and humid setting, and was slightly concerned that this could be indicative of a bigger problem. Anyone experience or seen this before?

Seattle2k 05-08-2013 04:20 PM did you even see that? It's probably dust. If you're really concerned, poke your head up in the attic.

joecaption 05-08-2013 05:20 PM

Ok we give up. Please go back and add your location to your profile.
Just go to Quick links and add it.

jagans 05-08-2013 05:40 PM

Why didnt you cut open the whole area under the grille? The holes are choking off your airflow to zip.

AndyWRS 05-08-2013 05:51 PM

+1 i would have cut it larger.

Please paint them white :)

Is it oily to the touch ?

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