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Replacing old sash cords—worth the hassle or just call a pro?

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megannebula229
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Trying to decide if I’m biting off more than I can chew here. The cords on the old wooden windows in my 1920s house finally snapped (well, one did, but the rest are fraying and I’m not feeling lucky). I watched a couple YouTube videos and it looks… doable? But also, like, maybe more fiddly than I thought. Getting those weights out seems tricky and I’m a little worried about breaking the glass or making things worse.

Has anybody actually tackled this and lived to tell about it? Did you need any special tools besides a screwdriver and a lot of patience? Also, does it make sense to swap to chain instead of cord, or is that just overkill for a regular house window? My budget’s tight so calling in a pro isn’t ideal, but I don’t want to spend all weekend on something that ends up looking janky.

Would love any tips, horror stories, or even just “don’t bother” advice if you’ve been down this road.


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coffee_debbie
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I wrestled with this exact thing a couple years ago—same era windows, cords totally shot. Getting the weights out was way more awkward than I expected, and I did end up chipping some paint but not breaking any glass (small victory?). I just used cord since it was cheaper and easier to find, but now I’m wondering if chain would’ve lasted longer. Did you notice if your window frames have enough room for chain? Some of mine were pretty snug and I wasn’t sure it would fit without more work.


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rayw54
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Chain always seemed like it’d be more durable, but yeah, the space inside those old frames is tight. I remember when I first looked into swapping cords for chain, I stuck a bit of scrap chain in there and it immediately caught on some old paint blobs and rough wood. Made me wonder if I’d just be trading one headache for another. Plus, I kind of like being able to tie off cord if it frays—chain’s a bit more final unless you want to mess with links.

Did you find any good cord that holds up? I used the sash cord from the hardware store, but after a couple years I’m starting to see a little fuzz where it rubs against the pulley. Not exactly confidence-inspiring. I read somewhere that marine-grade rope lasts longer, but then you’re paying more and it’s not always the right diameter.

Also, getting those weights out... man, what a pain. It felt like every window was built slightly differently, nothing lined up, and there was always at least one nail or chunk of plaster where you didn’t expect it. Did you bother repainting after chipping, or just let it go? Half my windows are still missing a little paint around the stops because I got tired of touch-ups.

One thing that made me hesitate on calling a pro is the cost—quotes were all over the place and some folks acted like it was rocket science. But doing it myself wasn’t exactly fun either. Curious if anyone’s found a better way to fish new cord through without pulling half the trim off...


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nancy_moon
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I get the appeal of marine-grade rope, but honestly, I think it’s overkill for most windows. I tried it once—cost a fortune and was just stiff enough to be a pain threading through those old pulleys. Regular cotton sash cord works fine if you wax it first. Rub a cheap candle along the length before installing; it cuts down on fuzz and wear by a ton. As for repainting, I gave up after the third window. A few nicks add character, right? And fishing new cord—I’ve had luck tying it to the old one and pulling it through, but that only works if the original isn’t totally shot. Otherwise, yeah... trim comes off whether you want it to or not.


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megannebula229
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The candle wax idea is smart—hadn’t thought of that. I did a couple of sashes last month and honestly, patience was the main tool I needed. Ended up using a basic screwdriver and a pair of needle-nose pliers for the knots. The trim was more stubborn than I expected, but nothing split (just some paint touch-ups). I stuck with cotton cord since it’s cheap and easy to replace if needed. Chains seemed like more work than benefit for my purposes. If your cords are really bad, that “pull through” trick probably won’t work, but it’s worth a shot before prying off all the stops.


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finnbarkley303
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Patience really is the key, especially when the trim feels like it’s glued on. I’ve always wondered if switching to nylon cord would last longer than cotton, though. Anyone ever try that? I’m not convinced chains are worth it either—seems like overkill for most windows.


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I swapped in nylon cord on a couple of my sashes a few years back—still holding up, no fraying or stretching so far. It’s slicker to work with than cotton, but knots can slip if you’re not careful. Chains just seem like something you’d see in a castle, honestly.


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- Nylon’s solid, but I actually prefer cotton for the old sashes in my place—little more grip, knots don’t slip as much.
- Tried nylon once. It lasted, but I felt like it just didn’t “fit” the window, if that makes sense… kind of too modern for the look?
- Chains are a pain to install, but they’re basically set-and-forget. I’ve seen them in a few pre-war buildings around here, not just castles.
- If you’re after authenticity and don’t mind redoing cords every decade or so, cotton’s fine. Otherwise, nylon’s less maintenance.
- Pro tip: if you go with nylon, double-knot and maybe use a dab of glue—slipping knots drove me nuts first time around.
- Honestly, unless you’ve got a ton of sashes or zero patience for fiddly stuff, doing it yourself isn’t as bad as folks say. Just takes some time and a bit of swearing.


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I get the appeal of cotton for the old-school look, but honestly, I’ve seen way too many jobs where folks went with “authentic” and ended up replacing cords way sooner than they’d planned. Nylon’s not pretty, but it holds up—especially if you’ve got windows that see a lot of use. Chains are a whole other beast… sure, they last, but if you mess up the install, you’re in for a headache. Curious—has anyone actually had cotton cords last more than 10 years in a high-traffic spot? Or is that just wishful thinking?


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Posts: 38
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I hear you on cotton cords. Tried them in our living room windows about 8 years ago—looked great at first, but they started fraying way earlier than I hoped. Maybe if you barely touch the window, they’d last longer, but ours get opened daily and the wear really showed. Switched to nylon after that and haven’t looked back. Never tried chains though… honestly, the install looks intimidating and I’m not that patient. Cotton lasting 10 years in a busy spot? Feels like a stretch to me.


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