Use of Elastomeric coatings is a great choice for masonry surfaces, block, stucco, & even siding and wood.  This paint product is so durable, it is often said to do better than any other exterior acrylic paint by two to one.   Although it is a breathable product, it protects the suface underneath from wind, rain, and other climates.  Elastomeric coatings tend to be more expensive then regular paint products this is the very best way to protect your investment.