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1feralengineer t1_iybldrc wrote

Does the sound correspond to the weather (especially wind)?

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geramanj95 OP t1_iybmfzx wrote

I haven’t noticed any noticeable correlation with the noise and the wind outside yet but this could be a good lead. Tomorrow when it’s not dark out I’ll stand outside and have my gf for the noise when the wind is picking up.

It has gotten considerably colder/windier here in the northern Midwest though.

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initium2018 t1_iybml8w wrote

Could be a Syphon for heating too maybe a little clogged

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geramanj95 OP t1_iybmwrq wrote

Do you mean something like a air vent to the outside?

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initium2018 t1_iybn4k8 wrote

More like a pipe with corrosion perhaps some condensation happens with the changes in temperature and the air or liquid inside makes a movement hence the noise. Just a wild guess

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1feralengineer t1_iybnkc2 wrote

There could be something loose on the siding outside. Also, the backdraft flapper on a vent fan (kitchen or bathroom or even the dryer vent) can be affected by the wind (you can try turning the fan or dryer on when you hear the banging and see if that changes it). And rain can also find its way to dripping onto metal flashing/eves/vents.

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geramanj95 OP t1_iyboux8 wrote

Building is brick outside but possible it’s a vent van. I’ll have to take a look at vent placement (may have to rent extremely tall ladder from HD to check out vents in detail ugh). But I will try turning on dryer or fan next time I hear it!

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