Custom Cut Mirrors: How to Measure and Install Without Losing Your Mind
August 30, 2025
Have you ever bought a gorgeous mirror, only to get home and realize… it doesn’t fit where you wanted it? Yep, been there, done that. The look on my face was priceless. From that day on I swore: “Never again will I buy a mirror without measuring first.” And today, I want to share with you how to measure and mount custom mirrors without drama, without arguing with the tape measure, and—most importantly—without the mirror crashing to the floor in the middle of the night.
Step 1: Measure like a ninja (without bending sideways)
No rocket science here: grab a tape measure (yes, the one that always tangles up on its own) and measure the space where your mirror will go. Golden rule: measure twice, write once. Trust me, your memory can be less reliable than your neighbor’s Wi-Fi.
Height: measure from the floor up to where you want it to stop.
Width: measure the horizontal space.
Check corners and edges—walls have “personality” and aren’t always perfectly straight.
Once, I trusted my “good eye”… result: a mirror that wouldn’t fit through the door.
Step 2: Choose your style (this is the fun part)
When it comes to custom cut mirrors, the magic is that you can ask for whatever you want:
Round, square, or even shaped like a cloud (yes, I’ve seen it).
Beveled edge, frameless, or with a frame that matches your favorite couch.
My advice: think of your mirror as a special guest in your home. Do you want it to be discreet or steal the spotlight?
Step 3: Installation without tears (or shattered glass)
Here’s where the brave ones are separated from those who call a handy friend: mounting the mirror.
Mark the exact spot on the wall (painter’s tape works wonders, don’t trust your surgeon-like pulse—it doesn’t exist).
Use proper supports: never, ever use improvised nails. That’s a recipe for a mirror crash at 2 AM.
Ask for help if the mirror is big. Yes, even if you think you’re Hulk. Your back (and your mirror) will thank you.
I learned this the hard way when I tried to install one solo… spoiler: didn’t end well.
Bonus: the trick nobody tells you
If you want your mirror to look like it came straight from a design magazine, place it across from a natural light source. Not only does it brighten the room, but it also makes you feel like you live in a penthouse (even if your window faces your neighbor’s backyard).
Conclusion
Custom mirrors aren’t just decoration: they’re pure magic for opening up spaces, adding light, and yes, even boosting your ego when you look at yourself. If you measure carefully, pick the right design, and mount it with care, you’ll have a shiny companion in your home for years.
So next time you think about a mirror, remember my story with the dog, the door, and the rebellious tape measure. And above all: measure twice, buy once, install slowly, and enjoy the reflection.
That’s all for this article, but stay tuned for my next posts. In the meantime, my blog features more guides and ideas about glass and mirrors that may interest you. Don’t miss these resources:
Quick Links
Giovani Glass
From etched glass backsplash and shower doors Bronx, to glass cutting New York and custom cut glass NYC.