A building’s roof serves as the first line of defense against whatever the skies throw at its inhabitants—wind, rain and blazing sun, even snow and ice in some climates—so it’s crucial for that roof to be sound and well maintained. All it takes is one small crack or hole for the rainwater to get in and, poof! There go thousands of dollars in repair and potential insurance claims (not to mention the damage it can cause to residents’ possessions and property).      Read the article………..