Notifications
Clear all

finally found an underlayment that lasts—what's your experience?

745 Posts
682 Users
0 Reactions
25.3 K Views
tech_jessica
Posts: 10
(@tech_jessica)
Active Member
Joined:

“The upfront cost stings a bit, but not having to babysit the roof every time there’s a storm? That’s peace of mind you can’t put a price on.”

I totally get that. We just bought our first place last year and the inspector flagged the old felt underlayment as a weak spot. Decided to bite the bullet and go with synthetic even though it felt like a splurge. We had two pretty wild storms this winter and not a single drip—honestly, I kept checking the attic out of habit. Worth every penny for the sleep alone. Now if only gutters were this low-maintenance...


Reply
Posts: 17
(@jamesphillips226)
Active Member
Joined:

Title: Synthetic Underlayment: Worth It, But Not a Magic Fix

Can’t blame you for checking the attic after every storm—old habits die hard. I’ve managed a handful of buildings over the years, and honestly, I was slow to come around on synthetic underlayment. The price tag made me skeptical, especially when you’re looking at a whole roof’s worth. But after seeing how felt just doesn’t hold up (especially with the freeze/thaw cycles we get here), I started recommending synthetic more often.

Here’s what I’ve noticed step-by-step, for anyone still on the fence:

1. **Initial Cost**: Yeah, it hurts—no getting around that. But when you factor in fewer emergency repairs and less frequent replacement, it starts to make sense long-term.
2. **Installation**: Most roofers seem to prefer working with synthetic now. Less tearing and wrinkling, even if the weather turns mid-job.
3. **Performance**: Like you said, storms come through and... nothing. No leaks, no weird stains on the ceiling tiles. It’s not invincible, but it’s a big improvement.
4. **Maintenance**: Here’s where I’m still cautious—it won’t solve everything. If shingles go missing or flashing fails, water will find a way eventually. But at least you’re not dealing with soggy felt disintegrating under there.

Gutters though? That’s a whole different headache. Even with leaf guards and regular cleanouts, I swear they find new ways to clog up every year. If someone invents truly maintenance-free gutters, sign me up.

One thing I’d suggest for anyone making the switch—make sure you get the warranty details in writing and keep an eye on how your roofer installs it. Seen a few jobs where corners got cut and it came back to bite later.

All in all, synthetic underlayment isn’t perfect but it’s definitely lowered my stress level during storm season. Just wish everything else on a house was as straightforward...


Reply
pmeow18
Posts: 17
(@pmeow18)
Active Member
Joined:

- Looked into synthetic when we had to redo our roof last year (asphalt shingles, Midwest winters). Price was a shock at first, but the roofer talked me through it.
- Decided to go for it after our old felt basically turned to mush after a couple bad ice storms.
- Haven’t had leaks since, but I still get nervous every time it pours. Not sure if it’s just peace of mind or actually better, but so far, so good.
- Only thing I noticed—installer rushed a few spots and I had to call them back to fix some wrinkles. Guess you really do have to watch them.
- Still not convinced it’s “set it and forget it,” but at least I’m not patching the ceiling every spring...


Reply
Posts: 9
(@shadowa84)
Active Member
Joined:

We switched to synthetic underlayment after a nasty windstorm ripped up half our old felt. I was skeptical at first—didn’t love the price tag either—but after a couple years, I’m glad we did it. Midwest winters are brutal and we haven’t had a single leak since. That said, I totally get being on edge when it pours... Every time it rains hard, I still find myself checking the attic just in case. Installer rushed ours too and missed a few nails, so I had to climb up and fix it myself. Not exactly “set it and forget it,” but definitely better than the yearly patch job routine.


Reply
rtaylor84
Posts: 8
(@rtaylor84)
Active Member
Joined:

- I get why folks like synthetic, but I’ve seen some brands get super slick when wet. Makes install sketchy, especially on steeper roofs.
- Price is a big one for me too. On smaller jobs, felt still seems to do the trick if you’re careful with overlaps and nails.
- Had a buddy whose synthetic tore up in a windstorm because the fasteners weren’t spaced right… installer error, but still.
- Anyone else notice it can be tough to spot leaks under synthetic until it’s a real problem? Felt sometimes gives you warning signs sooner.
- Not saying it’s bad—just not sure it’s always worth the hype or cost, especially if you’re DIY’ing.


Reply
Page 140 / 149
Share:
Scroll to Top