Sistine Chapel ceiling known as the Papal Chapel who would observe the decorations and interpret their theological and temporal significance, it was Pope Julius' intention and expectation that the iconography of the ceiling was to be read with many layers of meaning. Michelangelo, who was not primarily a painter but a sculptor, was reluctant to take on the work. Also, he was occupied with a very large sculptural commission for the pope's own tomb. The pope was adamant, leaving Michelangelo no choice but to accept. But a war with the French broke out, diverting the attention of the pope, and Michelangelo fled from
Sistine Chapel layer of animal glue and "lamp black", all of the wax, and all of the overpainted areas were contamination of one sort or another: smoke deposits, earlier restoration attempts, and painted definition by later restorers in an attempt to enliven the appearance of the work. Based on this decision, according to Arguimbau's critical reading of the restoration data that have been provided, the chemists of the restoration team decided upon a solvent that would effectively strip the ceiling down to its paint-impregnated plaster. After treatment, only that which was painted "buon fresco" would remain. The only reproduction of the Sistine