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Don’t skip the flashing: a small step that saved me big headaches

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animation_pumpkin
Posts: 13
(@animation_pumpkin)
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I hear you on the skepticism—there’s a reason I still keep a roll of metal flashing in the garage, just in case. But honestly, I’ve been surprised by how well some of these newer tapes have held up on my place, especially after a couple brutal winters and hot spells. Not perfect, but I’ll take a little risk over wrestling with rigid metal around odd window angles any day. Still, I get why folks stick to what’s worked for decades. Sometimes new doesn’t always mean better... but every once in a while, it actually is.


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language496
Posts: 9
(@language496)
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Man, I hear you about the metal flashing—mine’s been sitting in the shed so long it’s practically part of the foundation now. I tried that butyl tape stuff on my last window project, and honestly, it handled the sideways rain better than I expected. Still, I’m not tossing out the old metal just yet. There’s something comforting about having it around, even if it’s a pain to cut and bend. Guess it’s like having a backup plan for when “new and improved” decides to take a day off.


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Posts: 19
(@summitparker93)
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- Definitely hear you on keeping the old metal around. Never know when you’ll need a piece for a weird corner or patch job.
- Butyl tape’s surprised me, too—used it on a leaky dormer and it held up through two storms. Still, I always feel better with some actual metal flashing as backup.
- Cutting and bending is a pain, but nothing beats the peace of mind when you see water running off exactly where it should.
- New stuff’s great until it isn’t... then I’m glad I hoarded all those scraps.


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drakeh43
Posts: 16
(@drakeh43)
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Cutting and bending is a pain, but nothing beats the peace of mind when you see water running off exactly where it should.

Funny, I used to dread messing with flashing, but after patching a chimney leak three times with sealants, I finally just did the metal right. That was five years ago—bone dry since. Do you ever find yourself checking old patches after a big storm, just in case? I always do, even when I trust the work.


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baileyc10
Posts: 18
(@baileyc10)
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Do you ever find yourself checking old patches after a big storm, just in case? I always do, even when I trust the work.

Yeah, I totally get that. Even after doing the flashing “by the book,” I still find myself on the ladder with a flashlight after a heavy rain, just for peace of mind. Old habits die hard, I guess.

For me, the turning point was realizing how much time (and money) I wasted on quick fixes. Sealants felt easier at first, but they never lasted through more than a couple of seasons. Once I finally bit the bullet and learned how to cut and bend the metal properly, it was like night and day. Not gonna lie, it took me a few tries to get those corners right—tin snips are trickier than they look.

One thing I’d add: don’t skimp on the underlayment either. Even perfect flashing can’t save you if water finds its way underneath. And yeah, I still check every now and then… but now it’s more out of habit than worry.


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pilot10
Posts: 16
(@pilot10)
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Couldn’t agree more about the underlayment—people always focus on the visible stuff, but it’s what you don’t see that saves your bacon when things go sideways. I used to be one of those “just slap some caulk on it” types, but after a couple of soggy drywall repairs, I finally started doing it right. There’s something satisfying about knowing you’ve bent the metal yourself and tucked everything in just so.

And yeah, I still get up there after a storm, even though my wife says I’m being paranoid. Maybe it’s overkill, but I’d rather catch a drip early than deal with mold or rot down the line. For me, it’s less about trust in my work and more about not trusting the weather—or squirrels, honestly. Had one chew right through a patch once. Never thought I’d be cursing a rodent while holding a caulking gun in the rain.

Anyway, taking the time to do flashing and underlayment right is worth every minute. It’s not glamorous, but neither is replacing a ceiling.


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Posts: 34
(@shadowartist)
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I get where you’re coming from with checking after storms, but sometimes I wonder if it’s really worth the stress. My neighbor’s always up there too, and honestly, he’s never found anything major—just a loose shingle here and there. I did skip the underlayment on a shed once (yeah, not my brightest move), but it’s held up fine for years. Maybe it’s just luck or maybe the climate here isn’t as rough? I do think sometimes we overthink it, though...


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diy905
Posts: 16
(@diy905)
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I get where you’re coming from, but I’ve seen too many cases where “just a loose shingle” turned into a bigger headache down the road. Sometimes things look fine for years, then one bad storm sneaks in water and suddenly you’re dealing with rot or mold. I always wonder—are we just lucky when nothing happens, or is it a ticking time bomb? Skipping underlayment on a shed might work if it’s bone-dry most of the year, but what if you get that one freak week of rain? Just makes me nervous to roll the dice, honestly.


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Posts: 5
(@rmartinez20)
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Man, I totally get the nerves about skipping steps like underlayment or flashing. I tried to cut corners on my old garden shed—figured it was just a shed, right? Two winters later, a random windstorm ripped up a couple shingles and water just poured in. By spring, the plywood was soft in spots and there was this weird smell—turns out, mold city. Ended up costing me way more to fix than if I’d just done it right the first time. Sometimes it feels like overkill, but that one freak rainstorm can really mess with your day.


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builder88
Posts: 15
(@builder88)
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I hear you on the “just a shed” logic—I did the same thing with a chicken coop a while back. Figured it was overkill to use flashing on something so small and, honestly, I was impatient. But after one particularly bad storm, water got in behind the boards and warped half the frame. Ever tried drying out insulation in a coop? Not fun. Do you think there’s any situation where skipping flashing actually makes sense, or is it always a risk not worth taking?


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