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Plastic Roof Soundproofing That's Very Noisy When Raining

Posted: Sat Feb 25, 2017 3:31 am
by irishmoe
I live in an apartment and have a covered balcony with a plastic roof. It's hell when it rains and I need to soundproof it.

I have no idea how to do it and have no access to the roof from the outside (6th floor) Should I use a second layer of plastic inside with an air gap?

Should I fill the gap with foam?

Any advice will be much appreciated!