Will replacing your old roof with an aluminum roof add value to the home?

(Photo courtesy Building Ideas)

A user from Portland, OR named astrosmith posed this question in the home improvement section of Zillow Advice:

Will replacing your old roof with an aluminum roof add value to the home?

There were lots of great answers, but one struck me as the big aha moment and it came from wetdawgs who wrote:

Be aware, metal roofs can cause terrible problems with cell phone and wireless services.  When visiting a relative and having to maintain our business, cell phone reception escalates to a crisis and so we have an old lawn chair set up 50 feet from the house with an umbrella.

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