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Professionals use hammers, sealants, and nail guns for efficient and durable repairs.

When properly installed and maintained, a metal roof can last 50 to 80 years. However, the fasteners used to attach the roof may have a shorter lifespan than the roof panels, so it’s a good idea to inspect your roof every few years to check for wear and replace any damaged components. Metal roofs installed over shingles don’t last as long as tear-offs since the underlying roofing components can deteriorate over time, and the added weight can stress roof supports.

While there are many benefits to installing a metal roof on your home, there are some downsides, too. Zinc roofs, in particular, are susceptible to corrosion from overly salty air directly near coastal areas. Another potential downside of zinc roofing is that it must be allowed to expand and contract with the weather. This means special attention is necessary to how it's fastened to the home to avoid issues. 

In many areas, chimney repair companies need to be licensed, but it depends on your state and local municipality. You can check with your local building department to see if companies need licenses, and then you can use Angi’s license lookup tool to confirm that the company you’re considering holds the proper license. It’s a good idea to confirm that the professional is fully insured, and you can ask about certification from organizations like the Chimney Safety Institute of America (CSIA). These certifications aren’t mandatory, but they help ensure a professional repair.