roof vents and the mysterious midnight drip

"Plus, nothing worse than chasing mystery drips at 2am... learned that the hard way."

Been there myself - midnight water hunts are no fun. One thing I'd add is checking your roof vent boots regularly. Even metal flashing can fail if the rubber seals around vent pipes crack or degrade over time. Swapping them out every few years or upgrading to silicone-based boots can save you from those surprise late-night drip sessions. Just a thought from experience...

Good call on the silicone boots - those things are lifesavers. Another cheap trick: smear a little roofing sealant around the old rubber seals if you're tight on cash. Buys you some time until payday rolls around... ask me how I know, haha.

Haha, been there with the roofing sealant trick myself. Last winter, I had a midnight drip that drove me nuts - turned out the rubber seals around the vents had cracked from age and cold. Didn't have silicone boots handy, so I grabbed some leftover Flex Seal from the garage. Messy as heck, but it held up surprisingly well until spring when I could do a proper fix. Not ideal, but hey, whatever keeps the water out, right?

- Had a similar issue last fall - noticed a slow drip sound around 2 AM, drove me nuts trying to pinpoint it.
- Eventually traced it back to cracked vent flashing. The original builder used those cheap rubber boots that degrade fast in harsh weather.
- Tried the Flex Seal route too, but honestly, it didn't hold up as well for me. Maybe I didn't prep the surface enough or something.
- Ended up using roofing tape as a temporary fix - cleaned the area thoroughly, applied the tape carefully, and pressed it down firmly. Surprisingly solid solution through winter.
- Come spring, replaced all the vent boots with silicone ones. Bit pricier upfront, but worth it for peace of mind.
- Lesson learned: always check those vent seals before winter hits. Saves you from midnight detective work later...

- Lesson learned: always check those vent seals before winter hits. Saves you from midnight detective work later...

Had something similar happen at one of our properties last year. Flex Seal didn't do much for me either - ended up using roofing tape as well, and it held surprisingly well. Silicone boots were definitely the smarter long-term choice.

Had a similar issue a couple winters back - got called out to a client's place after they'd tried every DIY fix imaginable. Flex Seal, duct tape, you name it... nothing held up once the ice and snow hit. Ended up swapping in silicone boots and sealing with a good roofing caulk. Honestly, silicone boots are worth the extra upfront cost; saves you from freezing your fingers off at 2 AM trying to patch leaks by flashlight.

"Honestly, silicone boots are worth the extra upfront cost; saves you from freezing your fingers off at 2 AM trying to patch leaks by flashlight."

Wish I'd read this thread last winter before I went through my own midnight roof drama. I ended up using roofing tar and some aluminum flashing as a temporary fix, and it held up surprisingly well through the season. But now I'm thinking silicone boots might be the smarter long-term solution. Quick question though - when you installed the silicone boots, did you have to remove the old flashing completely, or could you just fit them over the existing setup? I'm trying to gauge how much prep work is involved before I climb back up there again.

"Quick question though - when you installed the silicone boots, did you have to remove the old flashing completely, or could you just fit them over the existing setup?"

From what I've seen inspecting roofs, it's usually best practice to remove the old flashing entirely. Silicone boots are great, but fitting them over existing flashing can sometimes trap moisture or hide underlying issues. Did you check the condition of the decking underneath when you did your temporary fix? Might be worth a quick look before committing to the silicone boots...

I learned this the hard way last year when I tried to shortcut it by just slipping silicone boots over the old flashing. Thought I'd save myself some time, but a few months later I was back up there dealing with moisture buildup and rust spots underneath. Ended up having to rip everything out anyway and replace some decking too...lesson learned. Honestly, better off doing it right the first time around, even if it's a bit more work.

"Thought I'd save myself some time, but a few months later I was back up there dealing with moisture buildup and rust spots underneath."

Been there myself - tried a similar shortcut a couple years ago on a client's roof, thinking it'd hold up fine. Ended up costing me extra time and materials to fix properly. Definitely reinforced the value of thorough flashing replacements.

Interesting points, but I'm wondering - is it always necessary to replace flashing completely? I get the logic behind thorough replacements, but I've heard from a couple neighbors who've patched theirs up and haven't had issues for years. Could it be more about the quality of the patch job or materials used, rather than always needing a full replacement? Just thinking out loud here...trying not to overspend if it's not absolutely needed.

Good points, patching can def work sometimes - seen it plenty myself. But keep in mind, a patch is usually a temporary fix. It might hold up great for years if done right (quality materials, proper sealing, etc.), but it's still not as reliable long-term as replacing the flashing altogether. I've inspected roofs where patches looked good at first glance but ended up causing hidden water damage down the line...just something to consider when weighing cost vs peace of mind.

Totally agree - patching can buy you some time, but eventually you'll probably circle back to square one. A couple things I'd add:

- If you're patching around vents, double-check the seals on the vent itself. I've seen drips from faulty vent seals misdiagnosed as flashing issues.
- Also, consider climate - patches hold up better in mild weather areas. In harsh winters or heavy rain zones, they tend to fail faster.

Bottom line, patches aren't bad, just gotta know their limits.

I learned this lesson the hard way last fall. Had a random drip sound waking me up at 2 am - thought it was flashing, so I patched around the vent. A week later, drip was back. Climbed up again and realized the seal on the vent itself was cracked and letting water sneak in. Patched that up properly, and problem solved...for now. Definitely agree patches have their limits though, especially if you get rough winters like we do here.

Haha, sounds like classic roof vent drama. Step 1: Hear mysterious drip at ungodly hour. Step 2: Climb roof half-asleep, patch wrong spot. Step 3: Repeat until sanity lost. Ever considered green roofing? Plants don't drip...usually.

Green roofing's an interesting suggestion - definitely has its perks for insulation and runoff management. Though, from experience, it comes with its own set of quirks...like unexpected maintenance or surprise plant invasions. Still, your midnight drip scenario rings painfully true. Roof vents can be notoriously tricky; pinpointing the exact leak source often feels like detective work. Hang in there - eventually, you'll nail that culprit spot and reclaim your sanity.

Had a similar drip mystery last winter...turned out the flashing around the vent had tiny cracks that only leaked when ice melted. Might wanna check there - could save you some midnight detective work. Good luck!

"turned out the flashing around the vent had tiny cracks that only leaked when ice melted."

Had almost the exact same thing happen a few years ago. Spent hours checking shingles and gutters, but it was just cracked sealant around the flashing - only dripped after sunny winter afternoons. Roofs can be sneaky like that...

Could be flashing, sure, but I'd also double-check the vent itself. Had a job last winter where the homeowner swore it was flashing, turned out the vent housing had a hairline crack - only leaked when ice thawed. Sneaky indeed... roofs love to keep us guessing.

Good call on the vent housing. Had a similar issue a couple years back - spent ages chasing down what I thought was flashing trouble, only to find a tiny crack in the plastic vent cover. It was barely visible, but enough to let water seep in when ice melted. Sneaky indeed.

Another thing worth checking is the sealant around the vent base. Even if the flashing itself is solid, sometimes the sealant can degrade or shrink over time, especially with temperature swings. I've seen cases where it looked perfectly fine at first glance, but a closer inspection revealed tiny gaps that opened up just enough to cause leaks during thaw cycles.

Roof leaks are notoriously tricky because water can travel quite a distance before showing up inside. It's like detective work - following clues and ruling out suspects one by one. Your approach sounds spot-on though; methodically checking each component usually gets you there eventually.

Hang in there, you're definitely on the right track.