The answer to 'how to install metal roof' is to follow a step-by-step process that includes preparing the roof, installing the metal panels, and sealing the seams. First, you'll need to clean the roof surface, remove any old roofing materials, and ensure the roof deck is in good condition. Next, install the metal panels, starting at the bottom and overlapping each row. Secure the panels with screws or nails, and use sealant to prevent leaks. Finally, seal all the seams and edges to protect against the elements.
Installing a metal roof requires precision and attention to detail. While it's possible for experienced DIYers to tackle this project, it's often best to hire a professional roofer, especially for larger or more complex roofs. They have the right tools, materials, and expertise to ensure the job is done correctly and safely.