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The lifespan of a roof patch depends on which materials you use and the severity of the damage. Temporary solutions like tarps or plastic sheets last a few weeks to a few months, while roofing tape or caulk may hold up for a year or two. Permanent patches using roofing cement, flashing, or replacement shingles can last several years as long as they're properly maintained. Regular inspections and touch-ups can extend the patch’s lifespan, but eventually, a full repair or replacement would be needed.

Installing a metal roof will rarely affect your homeowner’s insurance policy in a negative way, and you might even get a discount on your premium for installing one, depending on your area. Metal roofs can reduce the risk of structural damage from heavy snow, and they stand up better to strong winds and impact, so homeowners in areas that see excessive snowfall or extreme weather may see savings on insurance premiums after installing a metal roof.

A metal roof can last anywhere from 15 to 100 years or more, depending on the type. Aluminum and corrugated metal roofs last around 45 years, but tin roofs can last for up to 75 years, and copper roofs can last 100 years or more.

The green coloration that develops on copper roofs is called a “patina,” and it’s a result of mild oxidation on the surface. The oxidation process is not harmful to your roof. In fact, the surface corrosion acts as a protective layer and won’t spread to the core of your copper roof materials. The discoloration will progress much more quickly in damp or humid climates than it will in dry climates. If you don’t like the green color, you can seal your roof to preserve the shiny, rose-gold look.