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Tips for taking out old windows without wrecking your walls?

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cooking_hannah
Posts: 16
(@cooking_hannah)
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- Agree on the pry bar and putty knife combo. Multi-tool’s great for some things, but it can slip and gouge fast if you’re not careful.
- Taping off the trim makes a big difference. Blue tape’s worth every penny.
-

“I swear I’ve found screws in my walls that don’t even match anything in this century...”
— Happens all the time. I pulled out a lag bolt from a 1920s sash once. No idea why it was there.
- Sometimes patching a little drywall is just easier than fighting with stubborn nails or ancient caulk.


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sewist68
Posts: 19
(@sewist68)
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“Sometimes patching a little drywall is just easier than fighting with stubborn nails or ancient caulk.”

Honestly, I’ve found that to be true more often than not. Trying to save every inch of plaster or drywall can turn into a rabbit hole, especially if you’re dealing with 80+ year-old woodwork. I’m curious—has anyone tried using a heat gun to soften up old caulk before prying? I’ve had mixed results. Sometimes it helps, other times it just makes a sticky mess. Wondering if there’s a trick I’m missing or if it’s just not worth the hassle.


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Posts: 9
(@chessplayer97)
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- I get the temptation to just patch it, but I actually found taking my time with a utility knife and a putty knife kept most of my wall intact.
- Heat gun made things gooey for me too—sometimes more mess than help.
- Weirdly, a little patience and a sharp blade worked better than heat in my 1940s place.
- Might take longer, but less drywall repair after... worth it for me.


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dobbyskier
Posts: 33
(@dobbyskier)
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Heat gun made things gooey for me too—sometimes more mess than help.

Yeah, I tried the heat gun trick once and honestly regretted it. Ended up with sticky gunk everywhere and had to scrape it twice. What worked best for me was scoring around the trim with a sharp utility knife, then using a putty knife to gently pry things loose. It’s slower, but I barely had to patch anything after. If you’re patient, you save yourself a lot of sanding and mudding later. Definitely agree that “slow and steady” wins here, especially in older homes where the plaster can be unpredictable.


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art342
Posts: 17
(@art342)
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Couldn’t agree more about the heat gun mess. I tried it on a 1920s double-hung, thinking it’d help loosen decades of paint, but all I got was a sticky disaster and a lingering burnt smell. Ended up with more cleanup than if I’d just gone slow from the start.

Scoring with a utility knife is definitely the way to go, especially if you’re dealing with old plaster and lath. I found that running the blade along both sides of the trim (not just the wall side) really helps prevent those little chunks of plaster from popping off when you pry. Sometimes I’ll even run a thin bead of painter’s tape along the wall before scoring—gives a visual guide and keeps the dust down a bit.

One thing I’d add: if you’re working in a house where the trim’s been painted over a hundred times, it’s worth checking for lead paint before you start scraping or sanding. I learned that lesson the hard way... had to stop mid-project and do a full cleanup after testing positive.

Also, if you can get your hands on a flexible putty knife or one of those multi-tools, they’re way less likely to gouge the plaster than a stiff pry bar. I’ve also used an old wood shim as a buffer between the tool and the wall—takes a little longer, but saves on patching later.

Patience is key, like you said. Every time I’ve tried to rush, I’ve ended up with more repairs than I bargained for. There’s something satisfying about getting the trim off in one piece and seeing clean edges underneath—almost makes up for how tedious it gets sometimes.


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Posts: 12
(@mythology_shadow)
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I’ve also used an old wood shim as a buffer between the tool and the wall—takes a little longer, but saves on patching later.

Using shims is such a small thing but makes a world of difference. I’ve tried skipping that step out of impatience, and always regret it. One thing I’d add—sometimes if the trim’s really stubborn, a little spritz of water along the scored line can soften up old paint and caulk. Doesn’t always work, but when it does, it’s like magic. And totally agree about lead paint... those test kits are worth every penny for peace of mind.


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drummer66
Posts: 15
(@drummer66)
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Yeah, that water trick can help, but I’ve had mixed results—sometimes it just makes the old caulk gummy and harder to peel. One thing I’ve found is running a sharp utility knife along every seam, even if you think you already scored it, really cuts down on wall damage. And for shims, I actually started using old laminate flooring scraps—they’re sturdy and don’t splinter as much as wood shims sometimes do. Just gotta watch your fingers when prying... those tools slip fast.


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drebel14
Posts: 13
(@drebel14)
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Yeah, that water trick can help, but I’ve had mixed results—sometimes it just makes the old caulk gummy and harder to peel. One thing I’ve found is running a sharp utility knife along every s...

I get what you mean—sometimes that water trick just turns the caulk into a sticky mess instead of helping. Scoring twice with a sharp blade is smart, but I’d add: use painter’s tape right along the edge before you start cutting. It can save you from accidental gouges, especially if your hands slip. As for shims, I’m with you—laminate scraps are way better than cheap wood ones that split. Just wish I’d figured that out before I trashed my first window frame...


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zeusbrown736
Posts: 14
(@zeusbrown736)
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That’s a solid tip with the painter’s tape—I’ve nicked trim more than once, especially when I was in a hurry. I’ll admit, I was skeptical about laminate shims at first, but after a few splinters and split wood, I switched too. Live and learn, right?


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askater65
Posts: 20
(@askater65)
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Painter’s tape is a lifesaver, but I’ve found running a utility knife along the seam before prying helps too—less chance of pulling paint or drywall. For shims, I used to use whatever scrap was around, but those laminate ones slide in smoother and don’t crumble. If you’re worried about drafts afterward, a bead of low-expansion foam can seal things up without bowing the frame. Learned that one after a cold winter…


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