I get the concern about covering up problems, but in my case, the decking was solid and I had a roofer check for soft spots before the layover. Saved a chunk of cash and avoided a mess. Haven’t had warranty issues yet, but maybe I just got lucky?
Saved a chunk of cash and avoided a mess. Haven’t had warranty issues yet, but maybe I just got lucky?
I’ve done plenty of layovers where it made sense, especially when the old shingles were still lying flat and the decking checked out. Sometimes folks get spooked by the idea, but if you’re not seeing leaks or sagging, and your roofer actually checks underneath, it can work out. That said, I’ve also seen jobs where hidden rot showed up years later—can’t always predict it. But yeah, if you’re in a spot with mild weather and the roof’s not ancient, doubling up can stretch your budget a bit further.
- Seen layovers hold up fine in mild climates, but after a couple hailstorms, problems can sneak up fast.
- Insurance can get weird—some policies don’t like double layers.
- If you’re in a spot with big temp swings or storms, full tear-off’s safer.
- Had one client where rot hid for years under two layers... wasn’t pretty when it finally showed.
- If your area’s pretty calm weather-wise and the old roof’s solid, yeah, you might get away with it for a while.
Had one client where rot hid for years under two layers... wasn’t pretty when it finally showed.
That’s a big one I see too—double layers can trap moisture and mask issues, especially around flashing or valleys. Even in mild climates, you risk missing early signs of trouble. Full tear-off’s upfront cost is higher, but you get a clean slate and peace of mind. Sometimes, that’s worth more than saving a few bucks short-term.
I get the argument for a full tear-off, but I’m not convinced it’s always necessary. My place had a second layer put on 15 years ago—no leaks, no sagging, and I check the attic every season for moisture. Maybe it’s riskier in wetter climates, but in drier areas, adding a layer can make sense if the decking’s solid. Just gotta be diligent with inspections.