Posted by Marc Martin on
URL: https://www.es-forum.com/Urgently-Need-Help-Re-New-Wifi-Intrusion-tp4033080p4033091.html

Unfortunately though, we've seen some people try shielding paint, and they end up with a room that was worse for them than it was in the first place.  And paint is much harder to "undo" than many things one could try.

Marc