Roofing discussions and local services.

Finally tackled that metal edging thing on my roof

447 replies
 

Join the conversation

Share your experience or ask a follow-up question.

gadgeteer22

Haha, WD-40 is great, but honestly I've had better luck with PB Blaster for those nightmare screws. Let it soak overnight and they'll practically jump out on their own... well, almost. Glad you survived the roof battle - welcome to homeowner initiation rituals.


Reply

"Let it soak overnight and they'll practically jump out on their own... well, almost."

PB Blaster definitely has its merits, especially for heavily corroded fasteners. WD-40 tends to evaporate quicker, which limits its penetration on stubborn threads. I've found that a combination of PB Blaster and gentle heat application (careful with that torch though...) can significantly ease removal. Still, no method is foolproof - some screws seem determined to test our patience. Glad you made it through relatively unscathed; roofs have a way of humbling even the most prepared homeowner.


Reply
simbas89

- PB Blaster + heat is usually my go-to as well.
- Learned the hard way that WD-40 isn't magic in a can, especially on rusty roof hardware...
- Glad you survived - roof projects always seem simpler until you're up there balancing tools and sanity.


Reply

PB Blaster and heat usually works, but if you're dealing with really stubborn rusted bolts, try tapping the bolt head firmly a few times after applying the penetrant. Helps break up internal corrosion and makes removal easier... saved me some frustration more than once.


Reply
karenexplorer

- PB Blaster's good stuff, but sometimes brute force is the only way.
- Had a similar issue on some old flashing bolts... sprayed, heated, tapped - nothing moved.
- Ended up cutting them off with an angle grinder. Quick, messy, but it worked.
- Sometimes stubborn bolts just don't cooperate, no matter how patient you are.


Reply
explorer76

PB Blaster usually does the trick for me, but yeah, sometimes bolts just laugh at you. Had one last week that wouldn't budge no matter what - ended up snapping it clean off with a breaker bar. Felt oddly satisfying... until I had to drill it out.


Reply
jakecyclist

PB Blaster's great stuff, but sometimes brute force can create more headaches down the line - like you've found out the hard way. I've had decent luck using heat instead, especially on stubborn bolts. A small propane torch applied carefully around the bolt head expands the metal just enough to break the corrosion bond. It takes patience and a steady hand, but it usually spares me from drilling snapped bolts later... learned that lesson after one too many afternoons spent wrestling with broken fasteners.


Reply

"I've had decent luck using heat instead, especially on stubborn bolts."

Definitely agree with the heat method - saved me a couple times too. Couple quick things I'd add from experience:

- Make sure nothing flammable is hiding behind or nearby (learned that the hard way...).
- Sometimes tapping gently with a hammer after heating helps loosen things up even more.
- Curious if anyone's tried induction heaters for this? Seen them online, but not sure if they're worth the investment for occasional DIY use.


Reply
kennethcyclotourist3255

"Sometimes tapping gently with a hammer after heating helps loosen things up even more."

Yeah, tapping after heating is a solid tip. I've found that giving it a few gentle taps first, then gradually increasing the force if needed, works best. You don't wanna go full Thor mode right away and risk damaging threads or bending something important (been there, done that...).

About induction heaters - I've seen them in action at the shop, and they're pretty slick. They heat bolts super fast without an open flame, which is great if you're working near sensitive materials or tight spaces. But honestly, for occasional DIY stuff, they're probably overkill price-wise. A decent propane torch usually does the trick just fine for me.

One thing I'd add: always keep some penetrating oil handy too. Heat first, then spray a bit of oil while it's still warm (not blazing hot). It seems to wick into the threads better that way and makes removal smoother. Just my two cents from wrestling with rusty bolts more times than I'd like to admit...


Reply

Honestly, hats off for tackling that job yourself. Those old metal roof bits can be a real pain - especially when the fasteners have been up there weathering for years. I totally agree about not going full Thor... learned that the hard way on a fence post bracket once, ended up with a bent mess and a lot of cursing. The heat-and-oil trick has saved my bacon more times than I can count, though. It’s always satisfying when you finally hear that little “pop” and the bolt starts to turn. Feels like winning a tiny battle every time.


Reply

That "pop" you mentioned - man, I know that sound way too well.

It’s always satisfying when you finally hear that little “pop” and the bolt starts to turn.
But I gotta say, sometimes the heat-and-oil trick doesn't cut it, especially if the fastener head's already half-rotted or stripped. I’ve had to walk away and come back with a cold chisel more than once. Still, you got it done, and that’s what matters. Most folks don’t realize how stubborn those old roof fasteners can get until they’re up there fighting one. Good on you for sticking with it.


Reply
marketing840

- Totally get what you mean about the heat-and-oil trick not always working.
- Sometimes those old fasteners are just too far gone - I've had to grind a few right off before.
- Ever tried those extractor sockets? Mixed results for me, but sometimes they save the day.
- Curious if you used any corrosion-resistant replacements? I’ve been switching to stainless or coated fasteners lately - seems to help, especially with all the rain we get.
- The struggle up there is real... but at least you know it’s solid now.


Reply

- Grinding off old fasteners is always my last resort, but sometimes there’s just no way around it.
- Extractor sockets are hit or miss for me too - depends how rounded things are. Sometimes they just chew up the head more.
-

Curious if you used any corrosion-resistant replacements? I’ve been switching to stainless or coated fasteners lately - seems to help, especially with all the rain we get.

I’ve tried stainless, but in coastal areas I’ve still seen some pitting after a few years. Galvanized seems to hold up better for me, though it’s not perfect either. Coated fasteners are decent, but I worry about the coating chipping during install.
- The weather here is brutal - freeze/thaw cycles plus salt spray. I’ve started using a dab of anti-seize on threads, which helps a bit with future removal.
- Anyone ever mess with aluminum fasteners for roof edging? I’m skeptical about mixing metals and possible galvanic corrosion, but curious if anyone’s had luck.

Just wondering what’s worked long-term for folks in wet or salty climates...


Reply
zeldak81

That freeze/thaw cycle plus salt is brutal on fasteners, totally agree. I’ve had similar issues with stainless - looks great at first but after a few years near the coast, you start to see those little rust spots and pitting. Galvanized has held up a bit better for me too, but if the coating gets scratched during install, it’s just a matter of time before corrosion sets in.

I’ve been using coated fasteners with a thick rubber washer for roof edging, but yeah, if you’re not careful putting them in, that coating chips right off. Anti-seize has helped me too - makes things way less of a nightmare when you have to pull stuff apart later.

Tried aluminum fasteners once on a shed roof (aluminum trim + aluminum screws), but I’d be nervous mixing them with steel or copper. Galvanic corrosion sneaks up on you, especially when there’s constant moisture. For my main roof, I just stuck with hot-dipped galvanized and keep an eye out for rust every spring.

Honestly, nothing seems truly “set and forget” in salty climates... it’s more about slowing the inevitable than stopping it.


Reply
fashion_echo

That’s exactly how it’s felt for me - just trying to slow things down, not really win the battle. I’m not on the coast, but we get a ton of road salt and wild temperature swings. I thought going with stainless would be a one-and-done thing, but like you said, it only takes a couple years before those little rust freckles show up. Kind of a letdown, honestly.

I did the same as you for my roof edging - galvanized fasteners, and I check them every spring. I was tempted by those “lifetime” coated screws, but after seeing how easily the coating chips, I figured I’d just be trading one problem for another. Haven’t tried anti-seize yet but that’s a good tip. I’ve already had to muscle out a few stuck screws and it’s no fun.

Mixing metals makes me nervous too. I almost used some leftover copper nails for flashing because they looked cool, but then read about galvanic corrosion and bailed on that idea quick. It’s wild how fast things can go sideways if you don’t match everything up.

Honestly, I wish there was a truly low-maintenance option. Every spring I’m up there poking around, hoping nothing’s gotten worse. But at least keeping an eye on things seems to help catch problems early. Sounds like you’ve got a good system going - sometimes just being realistic about what you’re up against is half the battle.


Reply
stormdrummer

Man, I totally get that feeling - there’s always something new to worry about once you own a house. I thought stainless would be the “set it and forget it” option too, but those tiny rust spots sneak up quick. I’ve been doing the same kind of routine checkups, and honestly, just catching stuff early seems to be the best defense. Mixing metals freaks me out a bit, too; I almost did aluminum flashing with steel nails and then read about all the corrosion issues. It’s kind of wild how much detail you have to pay attention to. At least you’re not alone in the never-ending maintenance game.


Reply
josegamerpro

Mixing metals freaks me out a bit, too; I almost did aluminum flashing with steel nails and then read about all the corrosion issues.

Yeah, that galvanic corrosion sneaks up fast. I learned the hard way after a hailstorm - had to replace a bunch of fasteners that basically melted away. Stainless is good, but even that stuff needs babysitting. House maintenance is like whack-a-mole sometimes... fix one thing, spot another.


Reply
rainmagician

I hear you on the stainless - people act like it’s bulletproof, but I’ve seen rust spots show up after a few years, especially near the coast. I started using coated screws with aluminum just to hedge my bets. It’s wild how fast things can go sideways if you mix the wrong stuff.


Reply
melissag20

I’ve actually been surprised by how quickly stainless can start showing signs of corrosion, especially in salty air. I used to think it was a set-it-and-forget-it material, but after moving closer to the coast, I’ve learned otherwise. I did a bunch of reading before tackling my own roof edge project and found out that even “marine grade” stainless isn’t immune if you get the wrong mix of metals or if there’s constant moisture trapped around fasteners.

Mixing aluminum and stainless can be a real headache. I almost went with regular stainless screws for my aluminum drip edge, but after reading up on galvanic corrosion, I switched to coated fasteners too. It’s wild how just a little contact between different metals can start that reaction - especially with all the rain we get here. I even checked the manufacturer’s recommendations for the exact type of coating, just to be on the safe side.

One thing I noticed: some folks skip the step of sealing around the screw heads, but that’s where I saw the first rust spots on my neighbor’s place. I used a butyl sealant under each screw head, which probably took way longer than it should have, but it’s been holding up so far. Not sure if it’s overkill, but I’d rather spend an extra hour now than deal with leaks or ugly stains later.

Honestly, it feels like there’s no such thing as a maintenance-free roof edge - just choices about how much hassle you want down the line. If anyone else is working near saltwater, definitely double-check what your fasteners are made of and how they’re coated. It’s one of those details that seems minor until you’re up there scraping off rust three years later...


Reply
tobyt84

- Seen a lot of “stainless” fasteners rusting out on coastal homes during inspections. Folks assume stainless is bulletproof, but salt air finds every weakness.
-

“I used a butyl sealant under each screw head, which probably took way longer than it should have, but it’s been holding up so far.”
- That’s not overkill in my book. I’ve flagged plenty of leaks starting right at unsealed fasteners. Takes extra time, but you’ll thank yourself later.
- Galvanic corrosion is no joke. I’ve seen aluminum drip edges basically dissolve where they touched the wrong screws. Coated fasteners or isolators are a must if you’re mixing metals, especially near the ocean.
- Maintenance-free roof edge? Haven’t seen one yet. Even the best installs need a look-over every year or two - especially after storms.
- Biggest tip: check under any debris or moss along the edge. That’s where moisture sits and starts trouble.
- If you’re seeing rust after just a couple years, don’t wait - swap out the bad fasteners before it spreads. It’s way easier to deal with a few screws now than replace rotted decking later.


Reply
Scroll to Top