White granular substance about 3/16th of an inch. Brittle and crumbly to the touch. Never saw anything like this. It might not even be insulation, just something that was spilled in a section of the attic. Any ideas?
Bill, I don’t know what the white stuff is but that’s Vermiculite on the right side of the first picture I BET…
I agree with Dale on they gray stuff being Vermiculite.
The other “white” looks like and might be >>> http://www.perlite.net/
what he said.
I saw the vermiculite and run across it quite often here, but perlite is a new one. Good info. Thanks guys.