Details of the Teatro Municipal of 1909 in Rio de Janeiro. The iron roof and the ornaments above the entrance have been protected with ZINGA. The theatre is a copy of the Opéra Garnier in Paris. The lean-off roof above the box-office was heavily corroded and therefore very unsafe for the public. An inspection pointed out that the iron frame of the roof and the ornaments (the lion heads) consisted of a mixture of materials: galvanized steel, cast iron and soft iron. Here and there zinc rich paints had been applied. Everything that could possibly be removed, was brought to a workshop for welding, grit-blasting and Zinganizing. The rest was prepared and protected with ZINGA on site, on days of low relative humidity (Gallery
