I get the appeal of torch-down for durability, but I’m still uneasy about the fire risk, especially on older wood decks.
That’s exactly my worry—one small mistake and you could be dealing with hidden embers. I’ve had good luck with self-adhered systems on a low-slope addition; seams held up fine after three winters in Ontario. Maybe not as bulletproof, but less stress during install.“Torch-down is definitely nerve-wracking during install (I’ve had to chase down smoldering insulation myself), but once it’s on, it’s tough as nails against weather.”
Yeah, torch-down always made me a bit twitchy too, especially after watching a buddy nearly set his porch on fire. He swore he was being careful, but one little spark and suddenly we’re all running around with buckets. I get why folks like it—once it’s down, it’s basically bombproof—but man, the install is not for the faint of heart.
I’ve also gone the self-adhered route on my garage roof (Toronto winters here), and honestly, it’s held up better than I expected. No leaks yet, seams still tight, and I didn’t have to worry about burning the whole place down. Maybe it’s not quite as tough as torch-down in the long run, but for peace of mind during install? Worth it for me.
I guess if you’ve got an older wood deck, the risk just isn’t worth the stress. There are enough things to worry about with roofs without adding “accidental arsonist” to the list...
Can’t argue with the peace of mind you get from self-adhered, especially on an old wood deck. But I’ve seen a few installs where folks skipped the primer or didn’t roll the seams tight enough, and then you get those sneaky leaks a couple years in. With torch-down, yeah, it’s nerve-wracking during install, but if you’re working with pros who follow fire safety to the letter—fire watch, shields, all that—it can be done safely even on wood (though I’d still be sweating bullets). Just saying, sometimes the “safer” option can backfire if shortcuts get taken.
Just saying, sometimes the “safer” option can backfire if shortcuts get taken.
That’s exactly what I keep hearing from the old-timers—doesn’t matter how “foolproof” a product is, if you skip steps or rush it, you’re asking for trouble. I’ve only helped with a couple self-adhered jobs so far, and honestly, I was surprised how easy it is to mess up the seams if you’re not paying attention. Rolling them out properly takes more muscle than I thought, and if you miss a spot, water finds its way in eventually.
With torch-down, I get why people are nervous. The fire risk is real, especially on wood decks. But like you said, if the crew is on top of fire safety—fire blankets, someone on watch, even just keeping a hose nearby—it seems manageable. Still, I’ve heard stories about smoldering embers hiding under the deck and popping up hours later. Makes me wonder how often that actually happens versus just being a worst-case scenario people talk about.
Curious if anyone’s seen insurance companies push back on torch-down installs lately? I heard from one of the guys at the yard that some carriers are getting picky about it, especially after those news stories about fires. Not sure if that’s just local or more widespread. Also, for folks who’ve done both—do you notice any difference in long-term maintenance between torch-down and self-adhered? Like, does one tend to need more patching or touch-ups over time?
I’m still learning the ropes here, but it seems like every “safe” option has its own gotchas if you’re not careful.
I’ve had torch-down on my garage for about 12 years now. Maintenance-wise, it’s held up better than the self-adhered stuff I put on the shed—less peeling at the edges, but I do check for little cracks every spring. Insurance did ask more questions when I re-upped last year, but they didn’t hike my rate. I guess it depends on where you live and how old your house is. The fire stories make me nervous too, but honestly, I think most of the risk comes from folks rushing or not watching for hotspots after.