LOOKING for Old School Corrugated Metal Roofing Material - $999 (napa county)

Looking for Old School METAL Corrugated Roofing Sheets .
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Preferably Im looking for Full Sheets which I need 3 which would Measure 12' x 4' I think but I NEED For Sure 1 Piece like 4' x 4' or maybe 3' x 3' Here is what it Looks like You see It Everywhere on Old Metal Buildings or Barns , it's literally all over the Place , but I just need to find someone who is tearing an Old Barn down or Building or someone who is Recycling it .
PLEASE someone .
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My Metal Building is Leaking and I really need this stuff