Vintage Vieux Carre New Orleans Roofing Slate Hand Painted And Signed. Roofing slayed mined in Pennsylvania and transported down ohio and Mississippi rivers on rafts and became the roofing material after disastrous fire of 1795. each one was individually shaped. This one came from an old building on Charles street dating back to early 1800s. Measures Approx 4.5” wide x 5.25” tall.