How do I replace my windows without falling down the stairs?

When I did the big stair window at my place, I just roped in a buddy and set up a couple of sturdy ladders with a plank between them - definitely not OSHA-approved, but we took it slow and triple-checked everything.

Yeah, I’ve done the “ladder and plank” special more times than I’d like to admit. Not exactly textbook, but if you’re careful and your buddy isn’t the type to suddenly decide to take a snack break while you’re dangling over the stairs, it gets the job done. Renting a platform sounds safe but, man, the cost adds up quick and half the time you spend more effort getting it through the door than actually using it.

You’re right about the foam too - first time I used it, I thought I was being conservative, and it still oozed out everywhere. Had to chisel the stuff off the trim after it dried. Next time, I just did a tiny bead and it still puffed up like a marshmallow in the microwave.

Honestly, I think as long as you’re not working alone and you check your setup twice, it’s kind of a “use what you’ve got” situation. Not perfect, but neither is my 1970s staircase.

Renting a platform sounds safe but, man, the cost adds up quick and half the time you spend more effort getting it through the door than actually using it.

That’s been my experience too. I tried to be “by the book” and rent a proper scaffold once, but getting it up my narrow 60s staircase was a puzzle in itself. Ended up with bruised knuckles and a lot of creative language. The ladder-and-plank combo isn’t glamorous, but if you’re methodical and double-check your footing, it’s surprisingly effective.

I hear you on the foam too - stuff expands like it’s got a personal vendetta against your trim. I started using painter’s tape on the edges just to avoid scraping dried foam later. Not perfect, but it saves some headaches.

Honestly, unless you’re dealing with a mansion or cathedral ceilings, improvising with what you have (within reason) seems fair enough. Not everything needs to be OSHA-level safe, especially if you’re careful and have someone spotting you. My stairs aren’t winning any design awards either, but they’ve survived a few window swaps so far...

The narrow 60s staircase is the key detail. For anyone considering a rental platform for a tight stairwell, ask the rental shop:

- Can it be assembled on the lower landing and moved or raised in sections?
- Does any part have to be carried upstairs as one unit?
- Will it fit through the stairwell while leaving a safe exit path?
- Are its feet or locking components intended for a stair-platform setup, and can it be leveled securely?
- Do they offer delivery, setup, or a recommendation for a safer alternative?

If the platform has to be hauled upstairs fully assembled, getting it into position may be the riskiest part of the job. A tight staircase can make the right equipment a poor fit if the access plan is not workable.

The access plan isn’t the only thing I’d confirm with the rental shop. Before choosing a platform, check its rated working height and load capacity for both the installer and the window unit. If reaching the opening means leaning beyond the guardrails, or the combined weight is near the limit, it’s the wrong platform even if it fits the stairs.

Do rental shops usually provide those measurements and setup limits before delivery?