I get where folks are coming from with the rigid insulation under metal panels, but in my experience, it’s not always the magic fix people hope for. Yeah, you’ll get a bit of sound dampening and some extra R-value, but if you’ve got gaps or bad flashing, noise and leaks will still find a way in. Honestly, I’ve seen more issues from rushed installs than from skipping the insulation layer. If quiet’s your main goal, sometimes just tightening up the attic space or adding blown-in insulation does more—plus it’s usually cheaper and less hassle during storms.
Yeah, I’ve seen folks swear by rigid insulation, but honestly, if your flashing’s a mess or you’ve got gaps big enough for a squirrel to throw a party in, no amount of foam board’s gonna save you from leaks or noise. I’m curious—has anyone actually had hail punch through their metal roof? I’ve patched a few after some Texas-sized hail, but never seen a full-on breach. Maybe it’s more urban legend than suburban disaster...
I’m curious—has anyone actually had hail punch through their metal roof? I’ve patched a few after some Texas-sized hail, but never seen a full-on breach.
I’ve worked a handful of hail jobs in Oklahoma and North Texas, and honestly, I’ve never seen hail punch clean through a metal roof either. Usually, it’s dents galore, maybe some cracked paint or coating, but not actual holes. The only time I heard of a breach was on an old barn with super thin, rusty panels—honestly, it was probably ready to fall apart before the storm even hit.
Most of the time, leaks come from busted seams, loose fasteners, or like you said, bad flashing. Folks think rigid insulation is a magic fix, but if the water’s got a path in, it’ll find it, foam or no foam. Have you noticed if patched spots ever end up leaking again after another storm? I’ve had a couple repairs where the hail didn’t cause a hole, but it did loosen up the seams enough that water started sneaking in later. Makes me wonder if sometimes the real damage shows up a few storms down the line...
Makes me wonder if sometimes the real damage shows up a few storms down the line...
That’s been my experience, honestly. I’ve had a couple roofs where the first hailstorm just left some cosmetic dents, but after another round or two, those same spots started leaking. It’s like the seams or fasteners get a little weaker each time. Anyone ever tried those “hail-resistant” coatings? I’m skeptical they do much besides hide the dings, but maybe I’m missing something.
I’ve wondered about those coatings too. Had a neighbor try one a few years back—looked good at first, but after a couple hailstorms, the dents were still there, just less obvious. Didn’t seem to help with leaks either. Maybe it’s more about peace of mind than real protection?
