Yes, that is tinfoil. No, I don't know why. But I'm sure it sounds lovely when it rains.
You would scream like that too if you knew the things it's seen.
We were all blind to what was going on.
What a great outdoor above-ground pool! I know the perfect place for it.
...just use these tools, they said.
From the submitter:
My neighbor's contraption to keep the rain off you when going into the basement