Did your installer mention if they used ice and water shield just at the eaves or did they run it up the whole roof? I’ve seen synthetic underlayment hold up better in freeze-thaw spots, but it’s not magic if there’s ventilation issues. Curious if you noticed any difference in attic temps after the new roof went on? Sometimes that combo can make a bigger impact than folks expect.
I get where you’re coming from about synthetic underlayment in freeze-thaw areas, but honestly, I’ve seen just as many problems crop up when folks rely too much on that and skip over proper ventilation. Ice and water shield all the way up the roof can actually trap moisture if the attic can’t breathe, which ends up causing more headaches than it solves. Did your installer talk about ridge vents or soffit vents at all? Sometimes people focus so much on the underlayment that they forget airflow is half the battle. I’ve had customers swear their attic temps dropped after we added better vents—even more than after swapping out shingles. Just curious if you noticed anything like that?
That’s a really good point about ventilation getting overlooked. I’ve seen a few places where people went all-in on synthetic underlayment and ice shield, but skipped proper venting—and ended up with mold or warped decking. It’s wild how much difference a couple of ridge vents can make. I actually had one property where we added soffit vents after a bad winter, and the attic stayed way cooler the next summer. It’s easy to get caught up in the latest materials, but airflow really does matter just as much. Sounds like you’re thinking it through the right way.
- I get the ventilation argument, but honestly, it’s not always a magic fix if your shingle quality isn’t up to par.
- Had a buddy with great airflow and still dealt with curling shingles after just 8 years—cheap shingles were the culprit, not just heat.
- Sometimes I wonder if all the focus on ridge/soffit vents distracts from materials or install issues.
- Personally, I went mid-range on both shingles and venting, skipped the high-end ice shield, and it’s held up fine (Midwest winters).
- Bottom line: airflow matters, but you can’t cheap out on the basics either... learned that the hard way with my first roof.
Sometimes I wonder if all the focus on ridge/soffit vents distracts from materials or install issues.
You’re spot on—ventilation’s important, but if the shingles themselves are low quality or installed wrong, airflow won’t save you. I’ve seen plenty of roofs where folks had textbook-perfect venting and still ran into trouble because the installer rushed or used bargain-bin shingles. Midwest winters are rough, too—ice dams can sneak in even without the fancy ice shield, but solid install and decent shingles go a long way. For anyone weighing options, I’d say don’t just trust the label—ask about install details and check what’s actually going on your roof.