Squirrels' teeth never stop growing, which means they never stop chewing. It's not destructive behavior — it's survival. The problem is that once they find their way into your attic or walls, your home becomes the thing they're chewing on. That includes:
Chewed wiring is where this goes from a nuisance to a serious hazard. It's one of the more common hidden fire risks in homes with wildlife activity, and it's not something you'd notice without getting into the space. Those sounds above the ceiling aren't something to wait out. The longer an animal is active in your home, the more damage accumulates. Call Titus for a free inspection and find out what's actually happening up there.