A:Answer Yes, if the roof is between the broadcast station and the antenna you want to hook up to your TV. Devices are often built into metal cases to prevent stray radio emissions from affecting them, same principle applies here. Even a thick wall may block a portion of the signal. Placing the antenna in front of a window may work, it depends upon the angle the signal is traveling, and the strength of the signal, but your best chance at that distance is an outdoor antenna.