Over time, those little guys can really wedge themselves in and start to push things apart—especially if the flashing's already a bit loose or the seam sealant is failing.
Funny thing, I’ve actually seen more trouble from hail than roots, even in our rainy patch of the world. Maybe it’s just the age of the buildings I manage, but hail seems to find every weak spot, especially on older fasteners. I get what you’re saying about seedlings, but for me, it’s usually clogged downspouts causing overflow and rot, not so much actual roof seam damage. As for stainless fasteners, I’ve had mixed luck—sometimes they outlast the panels, but the washers still go first. Hidden fasteners do seem to hold up better after storms, but I wonder if that’s just because there’s less to get knocked loose in the first place.
- Hail’s like a bloodhound for weak spots, I swear.
- Did an inspection last spring—hail had popped a handful of those old neoprene washers right off, but the “hidden” fasteners were untouched.
- Roots? Not much action here either, unless you count that one gutter with a full-on maple sapling growing out of it...
- Stainless is hit or miss for me too. Sometimes the screw looks brand new, but the washer’s toast and leaking.
- Honestly, half the time it’s the downspouts backing up and water sneaking in under the flashing that causes the real headaches.
- Storms just seem to find the laziest bit of maintenance and make you pay for it.
- Had the same issue last year—hail trashed the old washers but left the “hidden” fasteners alone.
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“Sometimes the screw looks brand new, but the washer’s toast and leaking.”
Yep, this drives me nuts. The metal holds up, but the rubber fails and you end up with a drip anyway.
- Downspouts are my weak spot too. Every time I think I’ve cleared them, storm finds a way to back them up.
- Maintenance always bites back if you skip it, especially with metal roofs. Even the tiniest thing turns into a big job after a storm.
“Sometimes the screw looks brand new, but the washer’s toast and leaking.”
Story of my life. I swear those washers are made out of some secret biodegradable material—give it a couple hailstorms and they’re done for, but the screws look like they just came off the shelf. I’ve started keeping a bag of extras in the garage just for post-storm surprises.
And yeah, downspouts are like that one relative who only visits when you least expect it—always clogging up right after you think you’ve finally got them sorted. Skipped cleaning once last fall and ended up with a mini waterfall over my porch. Lesson learned... maybe.
Those washers really are the weak link, aren’t they? I’ve noticed the same thing on my place—standing seam metal roof, about ten years old now. After every hailstorm, I’ll get up there and check, and it’s almost always the rubber or neoprene washers that have gone soft or cracked. The screws themselves look perfect, barely a hint of rust. I’ve read that UV exposure breaks those down faster than you’d expect, especially if they weren’t seated just right in the first place.
Stockpiling spares is smart. I started buying the higher-grade EPDM washers instead of the basic ones from the big box stores. The price difference isn’t huge, but they seem to hold up a bit longer in our freeze-thaw cycles. Still, it’s a recurring cost—one of those little maintenance things you don’t budget for until you’re climbing a ladder after a storm.
And yeah, downspouts... I used to think gutter guards would solve everything, but honestly, they just trap smaller debris and then I’m stuck cleaning out wet gunk with a stick. Last spring, I tried one of those flexible drain snakes after a clog backed up water right over my entryway. Worked better than expected, but it’s still a hassle.
Funny thing—my neighbor swears by swapping out all his roof fasteners every five years “just in case.” Seems excessive to me, but maybe he’s onto something? I usually just replace what’s obviously failing.
It’s always something with these roofs. Metal’s supposed to be low maintenance, but between the washers, the seams, and keeping gutters clear, there’s more to it than the brochures let on. Still beats replacing shingles every few years... at least for me.