Taking a closer look at the condition of exterior walls can protect interior operations and pay bottom-line dividends. Any successful building maintenance program should include regular inspections of exterior walls. These inspections should include routine visual examinations. For taller buildings, managers should combine the examinations with annual binocular surveys from grade, as well as periodic critical close-up inspections. Early detection is usually the best defense against costly repairs or catastrophic occurrences resulting from the failure of exterior wall components. Render a reading to article for explanation.