Have you had adhesion issues with silicone on metal specifically, or is it more about movement and flex in general? I've used silicone plenty of times...

Exactly—ever tried fixing a roof vent with some weird proprietary fastener? Standard screws work perfectly fine, so why complicate things unless you'r...

Fair point about sealants—but have you checked your attic ventilation situation lately? Sometimes the real villain isn't just cheap sealant. I've been...