Commercial roofs are usually designed to last for more than 5 decades. But there are cases when the commercial roof starts to show signs of decay before it reaches its lifespan. To find out if you need to invest in new commercial roofing, you must be ready to look out for signs of deterioration. Sometimes all that is needed is some minor repairs and the roofing system will be restored in good shape. But in some cases, the commercial roof will have to be replaced.To avoid the cost of replacing your roof earlier than expected, make sure it is installed correctly. You may have chosen the best roofing material but poor installation had led to damage sooner than you expect. In this case, you’ll have no choice but to hire a qualified contractor to come in and install your new roof.One of the signs that your commercial roof needs repairs is the presence of buckling especially on a metal roof. Metal roofs buckle when the installation is not properly done. Buckling can also occur when the roofing system is exposed to adverse weather conditions. During roof inspection, the contractor will identify signs of buckling on your commercial roofing. In fact, the signs of buckling can be identified from the ground. He will then have to verify the issue by going up the building to take a closer look.The other common sign of trouble in commercial roofs is damaged joints. Joints on the rooftop will get deteriorate overtime because they are constantly exposed to the elements. You’ll notice rust and pitting on the joints which means they have to be replaced. Sometimes this damage signifies the presence of a bigger roofing problem. A good roofer should investigate the underlying issue and help you to resolve it once and for all. For instance, the damage may be due to exposure to water leaks. If left unresolved, you may have to spend a lot of money on repairs due to extensive water damage.Your commercial roof may also be showing signs of water damage. You need to watch out for some of these signs because they can be very costly to fix. For instance, make sure your commercial roof doesn’t have patches on the ceiling because they may signify water damage. Call in a contractor to investigate the issue in depth and provide you with a comprehensive report on what needs to be done in order to repair the roof.As soon as you notice a problem with your commercial roofing, you are likely to be torn between two options- whether to replace the entire roofing system or have repairs done. A roofer should be able to advice you on the best steps to take. Sometimes roof replacements are necessary when the damage is extensive and you don’t want to spend more money on regular repairs. In other cases, all your commercial roof requires is some minor repairs here and there. Consider the roofer’s advice before making this important decision.