Notifications
Clear all

Keeping street noise out: what works for sealing old windows?

55 Posts
54 Users
0 Reactions
1,285 Views
danieldiver157
Posts: 11
(@danieldiver157)
Active Member
Joined:

I’ve been down this rabbit hole since moving into my 1920s place last fall. I totally get the stress about “should I do the full retrofit or just try curtains?” Honestly, I started with heavy curtains (triple-layer blackout with a thermal liner) and was surprised how much it helped—especially with the late-night delivery trucks.

About sealing the weight pockets: I used removable foam backer rod and a bit of caulk, but left a tiny gap at the bottom for airflow. I read those horror stories about trapped moisture too, but in my case, no condensation issues so far. Maybe it’s because my windows are drafty enough that nothing’s truly airtight, or maybe our climate (mild, not super humid) helps. If you’re in a really humid area, I’d probably be more cautious.

I’m a bit skeptical of the “moisture always gets trapped” argument. If you use materials that can be pulled out later, it’s not permanent damage anyway. And yeah, if you’re not handy, curtains are the easiest win—plus you can always upgrade later if you want.


Reply
Posts: 19
(@nalanomad836)
Eminent Member
Joined:

- Heavy curtains really do a lot of the heavy lifting, especially if you’re not ready to mess with the windows themselves. I used thick velvet ones in my living room—cut down the noise and drafts more than I expected.

- For weight pocket sealing, I’ve tried a few things over the years. Backer rod’s a good call since you can yank it out if needed. I lean toward minimal caulk, too—just enough to hold but not so much it’s a pain to remove. That said, in my old place (humid summers), I did get a bit of condensation when I sealed too tight. Maybe it’s the climate, or maybe my windows were just extra leaky.

- Moisture risk seems to depend a lot on your house and location. If you’re worried, leaving that small gap for airflow makes sense. I’ve read some folks use desiccant packs in the pockets but honestly, that felt like overkill for me.

- If you ever decide to go further, interior storm panels are worth looking into. They’re not cheap, but they made a noticeable difference for me—especially with traffic noise.

- All in all, curtains are probably the lowest-effort fix. If you want to tinker more later, nothing you’ve done is permanent... which is kind of nice with these old houses.


Reply
luckyking328
Posts: 20
(@luckyking328)
Eminent Member
Joined:

- Tried the backer rod trick last winter—worked better than I thought, but yeah, condensation built up in the corners. Maybe my old sashes just breathe weird?
- Heavy curtains help, but honestly, I still get some rattling when trucks go by.
- Never messed with storm panels, but I’m tempted. Do they look weird from inside?
- Anyone else ever try those window inserts with magnets? I keep seeing ads but not sure if they’re worth it.


Reply
Posts: 19
(@birdwatcher16)
Active Member
Joined:

Never messed with storm panels, but I’m tempted. Do they look weird from inside?

Had the same worry, honestly. My neighbor put up storm panels and from inside, they’re not as clunky as I expected—just kind of makes the window look chunkier? Still, I’m more bugged by the “double reflection” thing at night. Has anyone tried those magnetic inserts and noticed if they fog up or anything? I keep seeing those ads too and I’m skeptical.


Reply
jessicaskater134
Posts: 13
(@jessicaskater134)
Active Member
Joined:

Still, I’m more bugged by the “double reflection” thing at night.

That double reflection is real—kind of distracting if you’re sensitive to it. I get what you mean about the chunkier look, but honestly, after a week or two, it just faded into the background for me. Haven’t tried the magnetic inserts, but I’d be wary about condensation too, especially in older houses where airflow isn’t great. Sometimes it’s about picking your battles... noise or weird reflections?


Reply
pauld29
Posts: 14
(@pauld29)
Active Member
Joined:

Double reflections drove me nuts at first too—especially when headlights hit just right at night. I’ve seen folks try anti-reflective film, but honestly, it’s hit or miss and sometimes makes the glass look cloudy during the day. I get what you’re saying about condensation with magnetic inserts. Had a client with an old Craftsman who ended up with moisture trapped between panels all winter. Have you looked into those heavy thermal curtains? They don’t fix the reflection, but they help with both noise and drafts... though I guess then you lose the view. What’s more important for you—quiet or keeping the windows looking original?


Reply
leadership934
Posts: 16
(@leadership934)
Active Member
Joined:

That double reflection thing is such a pain—my old place had the same issue, especially with streetlights bouncing around at night. I totally get wanting to keep the original look; there’s just something about old windows that new ones can’t fake. But honestly, after a couple winters of fighting drafts and waking up to traffic noise, I caved and tried those thermal curtains. Yeah, you lose the view, but it was a game changer for sleep and heating bills.

I’ve wondered about anti-reflective films too, but like you said, sometimes they just end up making things look worse. And condensation... ugh. I actually had to pop out a magnetic insert last February because water pooled inside and started growing mold. Not fun.

If keeping things quiet is your top priority, maybe it’s worth sacrificing the view at night? But if you’re set on keeping the windows looking original, have you tried weatherstripping upgrades or even those clear acrylic panels that mount inside? They’re not perfect but might be less risky than inserts. Curious what you end up prioritizing—sometimes it feels like you can’t win with these old houses.


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

I totally get the struggle—my place is from the 1920s and the windows are beautiful but drafty as heck. What worked best for me was a combo: first, I used that sticky foam weatherstripping (super cheap, just peel and stick along the sash), then I added those clear shrink film kits in winter. The shrink film isn’t pretty up close, but it’s invisible from a few feet away and really cut down on noise and drafts.

Have you looked into caulking any gaps around the window frame itself? Sometimes the noise sneaks in through spots you don’t expect. Curious if anyone’s tried those removable silicone seals—they look easy to use, but I’m not sure if they’re worth it.


Reply
cperez74
Posts: 21
(@cperez74)
Eminent Member
Joined:

I’ve tried the shrink film and weatherstripping too, but honestly, after a couple of winters, I got tired of reapplying everything. The foam stuff worked for drafts, but didn’t do much for the noise on my busy street. I actually had better luck with heavy curtains—old-school, I know, but they made a noticeable difference at night. As for those silicone seals, I found them a bit fiddly and they left a weird residue when I took them off in spring. Maybe I just didn’t install them right...


Reply
georgesurfer
Posts: 14
(@georgesurfer)
Active Member
Joined:

Heavy curtains are underrated, honestly. I had the same experience—after years of wrestling with plastic film and sticky foam, I finally just picked up some thick, lined drapes at a thrift store. Not only did they help with the draft, but the street noise seemed to drop off a notch or two, especially when traffic picks up late at night. I still get a bit of sound sneaking through, but it’s way better than before.

Funny thing about those silicone seals... I tried them one year and thought I’d scored a win until spring rolled around and I was scraping off stubborn bits for weeks. Maybe there’s a trick to it that I missed too.

One thing that helped me was putting a rolled-up towel along the window sill—super low-tech, but it dampened some of the rattle when trucks went by. Not pretty, but in the dead of winter, I’ll take cozy over stylish every time.

Old windows are stubborn, but sometimes the simplest fixes make the biggest difference.


Reply
Page 4 / 6
Share: