The cost of roof replacement of a commercial buildings could be heavy. In order to avoid getting into a situation where roof is no longer in a condition to survive, it is better to regularly inspect them. Simple maintenance and prevention can extend the life of the roof and prevent costly replacement. There are many things you can do to prolong the life of your roofing material and prevent leaks, additional damage. Here are some of them that are easy to follow: 1. Remove debris Clear off all the extra leaves, branches and other debris. If left over can cause unwanted damage and growth that can weaken the roof. Debris holds moisture and can cause mold and moisture to damage the roofing material. Make sure you remove it regularly or at least once in a month. 2. Trim trees Trees and branches are serious concern for the roofs. Branches leaning on the roof will scratch the roofing materials when they are blown by the wind, falling branches from overhanging trees can damage, or even