Assessing your roof should become an annual job and should youn’t feel confident enough to know where to look you should consult a professional who will come and do the job for you. Using a roofing contractor means that you can be sure the individual you employ is a professional who knows exactly what to look for and can give the best advice to you if any work does happen to need doing. The perpetual beating of snow, rain, wind, hail, sunlight and forming of ice puts pressure on any substance or material and your roof is by no means an exception to this rule.