- Gotta admit, I’m still nervous about just slapping another layer on. My house is 80s-built, so not exactly “new,” but not ancient either.
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That’s reassuring, but how do you *really* know unless you pull everything up? Maybe I’m just paranoid after watching too many home reno shows...“if you’re not seeing soft spots or trapped moisture, you’re probably not sitting on a ticking time bomb.”
- Budget-wise, a second layer sounds tempting. But I keep picturing hidden rot or some squirrel hotel under there.
- Anyone else regret going overlay instead of tear-off? Or am I just overthinking it?
I get where you’re coming from—my place is late 70s, and when we did the roof a few years back, I had the same worries. Ended up doing a full tear-off because I just couldn’t shake the idea of hidden issues. The crew did find some sketchy plywood around a vent, so I felt better about spending the extra. But I’ve got neighbors who went with an overlay and haven’t had any problems (yet). Wonder if climate plays into it? I’m in the Midwest, so ice dams are a thing here... anyone in warmer spots have regrets about skipping the tear-off?
Wonder if climate plays into it? I’m in the Midwest, so ice dams are a thing here... anyone in warmer spots have regrets about skipping the tear-off?
I’m in central Texas, so ice isn’t really on my radar, but heat definitely is. Did a re-roof on my folks’ place last summer—house built in ’82, original decking still solid. We debated just adding a layer since the old shingles weren’t curling too bad, but ended up tearing off after seeing some soft spots near the eaves. Turned out there was a bit of rot from an old gutter leak we never noticed.
Neighbors down the street went with an overlay to save money and time. Their roof looks fine from the street, but you can see some uneven spots up close where the old shingles weren’t totally flat. Not sure how much that matters long-term, but I’d worry about trapping heat and making attic ventilation worse.
Honestly, I think climate does matter—a lot more sun and heat here means shingles age faster, and any trapped moisture just bakes under two layers. If your decking’s solid and you’re not dealing with ice or leaks, maybe an overlay works for a while... but I’d rather know what’s under there before covering it up.
I’ve managed a few properties in the Southeast, and I’ll admit, I’m always a bit wary of overlays. Had a duplex where the previous owner did a second layer to save money—looked fine for a couple years, but then we started seeing weird heat buildup in the attic and some minor leaks after heavy rain. When we finally tore everything off, there was hidden rot along the ridge that nobody caught before. Maybe overlays work in some climates, but I just don’t trust what you can’t see underneath... especially with older decking or questionable ventilation. Sometimes saving up front just means paying more later.
That hidden rot is exactly what worries me about overlays. Had a neighbor do a quick second layer to save cash, and a couple years later, mold started creeping into their attic insulation. Down here in Georgia, that trapped heat and moisture just seems to cook everything faster... I get the appeal of saving money upfront, but I’d rather know what’s going on under the shingles, especially if the decking’s old or there’s any sign of leaks. Sometimes ripping it all off feels wasteful, but finding surprises later is way worse.