The objective of this research is to study corrosion and determine the equations for prediction of corrosion of historical brick, modern brick, historical stucco and modern stucco. The methodology was to develop a tool system to produce results under predetermined conditions for accelerative corrosion testing and setting those materials' contact at 5 concentrations of sulfur dioxide. The concentrations are 50, 100, 200, 400 and 800 parts per million for a period of 10 weeks under 29.5+-2 ํC and 65+-10 % relative humidity. The test materials' surface appearance was analyzed by Scanning Electron Microscope. The test materials structure was analyzed by X-ray diffraction and establishing the rate of corrosion, (%), in order to develop a formula for calculating corrosin. After the experiment, it was found sulfate salts on material and had weight loss. The corrosion rate of material depended on sulfur dioxide concentration, exposure time and type of material that the materials which were exposed to highly concentrated sulfur dioxide were more corroded. Additionally, the most-corroded material was historical stucco, followed by modern stucco, historical brick and, lastly, modern brick. The duration of sulfur dioxide contact also effected the corrosion level, with longer exposures causing more corrosion.
