Roof inspection robot has two great benefits, practical and far-reaching. As an example of its practical benefits, one of the advantages is that it enhances safety. Human inspectors do not have to climb on potentially dangerous rooftops anymore. Although this is not a business benefit in itself (and the customer may grumble at having to bear the cost of something that in fact benefits him more), engineers confirm hiring robots to perform tasks that are beyond human capability or involve high danger is worth every dollar spent because it is both cheap and effective. It not only wins approval from most users but also improves work efficiency for all parties concerned. Secondly, the most measurable benefit comes from cost and time saving. The robot can inspect a roof thoroughly and quickly, then send out detailed reports in a fraction of time that humans would need for such work. Thirdly, cost savings accrue in the long term when it identifies possible defects before these become more serious and expensive problems. Moreover, with its detailed and accurate data, the robot makes for better repair planning: this can reduce waste and optimize maintenance budgets. In conclusion, the roof inspection robot is a solid and efficient tool to guarantee long-term integrity of any roof structure.