Cement paint provides effective protection against the harsh weather conditions. Since cement paint is formulated in a special manner, it can withstand any adverse weather conditions. This is one of the reasons why this paint helps to preserve the brightness of the exterior paint. Cement paint is available in different shades of matt finish. If you want longevity of your exterior paint for about 3 to 4 years, then it is important to fulfill all the essential requirements for the surface layer and then apply cement paint.