A metal roof is just one of many building materials that may weaken cell phone reception.
Use metal roof to boost short wave signal.
Generally if you do have poor cell phone service in your home it will be due to the cumulative effect of the materials used.
Whether the outside cellular reception is strong or not indoor coverage is usually weakened by a metal roof and the cell phone signal rating can go down by anything between 32db and 50db.
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The radio signal can also be weakened by obstacles like the walls of your house.
Even if you have a perfect signal outdoors you might get little or no cellular coverage indoors.
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Steel or aluminum walls are very good at blocking wireless signals.
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The easiest way to improve the cell phone signal inside a metal building is to use a building cellular signal booster system.
No one material will be the sole perpetrator.
So metal roofs don t actually interrupt cell phone reception.
Metal stoves and plumbing can worsen the problem.
If you currently have very very weak or spotty cell phone reception inside of your home a metal roof may be the straw that breaks the camel s back adding a cell phone signal booster in your house would have been helpful before the metal roof and certainly would be helpful after your metal roof is installed.
The metal roof will amplify the problem and dropped calls and poor internet speeds will be a common trend.
How to boost radio signal the easy way.
Mountains and electrical grid installations in the neighborhood can also cause interference.
Metal roof on a building with metal siding and studs in a location with a very poor signal generally worsens the cell phone signal further.