Ever tried using a laser level just to see how far off things really are? Sometimes it’s better not to know…
I get that—sometimes I wish I hadn’t checked with mine. The first time I ran a laser in my 1920s bungalow, the line basically laughed at me. But honestly, as long as the window works and doesn’t look crooked from the street, I’m calling it a win. Did you shim much, or just go with the flow of the old framing? I always end up adding more shims than seems reasonable.
as long as the window works and doesn’t look crooked from the street, I’m calling it a win.
That’s pretty much my philosophy too. I tried to get everything plumb using the laser, but in my 1940s place the framing is so out of whack that if I went by the book, nothing would fit. I ended up shimming more than I expected—especially at the sill—but after a while you just accept that “close enough” is sometimes all you get with old houses. Did you notice your trim gaps getting weird, or did it all line up in the end?
after a while you just accept that “close enough” is sometimes all you get with old houses.
Yeah, that’s the story of my life with these old frames. I’ve had some trim go a bit wonky—nothing a little caulk and creative paint can’t hide. Honestly, if it looks straight from the curb, I’m happy.
if it looks straight from the curb, I’m happy.
Same here, honestly. I’ve had to shim one side of a window so much it felt like cheating, but unless you’re standing inside with a level, who’s gonna notice? Ever tried replacing just the sashes instead of the whole frame? I wonder if that’s less headache or just different problems.
I hear you on the shimming—sometimes you do what you gotta do, especially in these old houses where nothing is square. As long as it looks good from the street and doesn’t leak, I’d call that a win.
About swapping just the sashes—yeah, I’ve done it a few times. It’s definitely less invasive than tearing out the whole frame, but it’s not always a walk in the park. If your existing frames are still solid and square (or close enough), sash kits can save a lot of mess and money. But if there’s any rot or warping, or if the opening is way out of level, you might just be trading one headache for another. I’ve found sometimes you spend as much time fussing with weatherstripping and making things fit as you would just popping in a new unit.
Still, for folks who want to keep old trim or avoid drywall repairs, it’s worth considering. Just make sure you measure twice—or three times—because nothing’s ever as standard as the box says...
Just make sure you measure twice—or three times—because nothing’s ever as standard as the box says...
That’s the truth right there. I’ve lost track of how many times I’ve pulled out a “standard” size window and found the rough opening off by half an inch or more. Had one job where the frame bowed out in the middle—looked fine until the new sash wouldn’t close. Ended up planing the stop and adding extra weatherstripping. Not pretty, but it sealed up tight and you’d never know from inside or out. Sometimes these old houses just have their own ideas about square.
Man, I hear you on the “standard” sizing—there’s almost nothing standard about it, especially if your place is older. I’ve had to deal with some weird stuff, like finding a window that was somehow both too wide and too short for the new insert. Ended up having to shim one side and build out the sill just to make things line up. From the street, you’d never know, but inside you can see where the trim doesn’t quite match up with the old paint lines. Not a huge deal, but it’s one of those things that bugs you if you know it’s there.
I’ve gotten into the habit of measuring at least three times in every direction, and even then, I’ll double-check diagonals just in case the opening’s gone parallelogram on me. There was this one time I was convinced my tape measure was off because nothing was adding up—turned out the frame had settled so much over the years that there was almost a full inch difference top to bottom. Ended up scribing the new jamb to fit, but yeah, sometimes you just have to get creative.
One thing I started doing is dry fitting the window before I even think about caulking or screwing anything in. Saves a lot of headaches when you realize you need to shave a bit here or there. And I always keep a couple of different thicknesses of backer rod and some extra trim on hand, since you never know what you’ll run into.
Funny how you can plan everything out, but the house has its own plan. Makes you appreciate the little victories when everything actually fits without a fight.
I get where you’re coming from on dry fitting, but honestly, I’ve had a couple times where I went through all that, got it perfect, then pulled the window out to caulk and somehow it never lined up quite the same again. Sometimes I just bite the bullet and do a test bead of caulk before final set—messier, but at least it seals right. Guess every house has its own quirks...
I get where you’re coming from on dry fitting, but honestly, I’ve had a couple times where I went through all that, got it perfect, then pulled the window out to caulk and somehow it never lined up quite the same again.
Man, that’s the story of my life with old houses. I swear, you can measure and dry fit till you’re blue in the face, but as soon as you add caulk or insulation, the window suddenly wants to sit a quarter inch off from where you had it. I started calling it “window drift” just to have something to blame besides my own sanity.
I actually tried your “test bead” method last fall when I was doing the back bedroom. It *is* messier, but at least you know you’re sealing things up right where they’ll stay. My only beef is that sometimes the caulk gets a little squished and then I end up with a weird bump or have to touch it up after the fact. Not the end of the world, just a little annoying.
One thing I started doing—maybe this is overkill, but it’s helped—is marking the frame and sill with a pencil before pulling the window out. Just a couple little reference points. Doesn’t solve everything, but at least when I go to put it back in, I know roughly where it was happy before I started messing with it. Especially helps with those “character-filled” frames that aren’t square anymore.
And yeah, every house has its own quirks. Mine’s from the 1920s and nothing is straight, so I’ve learned to expect a little wrestling match with every window. Honestly, sometimes I think the house is just trolling me.
Curious if anyone’s tried those foam backer rods instead of caulk for the big gaps? I’ve heard mixed things, but haven’t been brave enough to go all-in on them yet.
Curious if anyone’s tried those foam backer rods instead of caulk for the big gaps? I’ve heard mixed things, but haven’t been brave enough to go all-in on them yet.
I’ll admit, I’m not totally sold on backer rods for window installs. They’re great for filling huge gaps, but I always feel like you still need a good bead of caulk on top or air sneaks through. On my last project, I tried just the rod in one window and caulk in another—honestly, the one with caulk felt tighter. Maybe I’m just old school, but I trust the sticky stuff more, even if it’s messier. Anyone else think the rods can feel a bit “spongy” over time?