Custom Mirror &Vanity Designer
Size, edge, backing and lighting — drawn as you build.
- Mirror spec sheet
- Edge and backing recommendation
- Panel schedule and weights
Scale preview
42" × 36"Area
10.5 sq ft
Single panel
Weight each
34 lb
1-person hang
Edge run
13.0 lf
Flat polished
Fabrication
5–8 days
From final size
Your mirror specification
| MirrorStandard clear mirror. Stock, 5–8 day lead | Clear mirror |
| ThicknessFlat to about 40 sq ft before the reflection waves | 1/4 inch |
| Finished size1 panel, 10.5 sq ft total | 42" × 36" |
| EdgeFlat polished. Ground and polished square | Flat polished |
| Edge runWhat the polisher actually runs | 13.0 lf |
| BackingStandard backing. Residential vanity default | Standard |
| MountingJ-channel and clips. Bottom channel carries the weight | J-channel + clips |
| Weight per panelOne glazier can set this safely. | 34 lb |
| OptionsNothing added | None |
| Fabrication windowFrom the day the size is final | 5–8 days |
| Finished size | 42" × 36" |
This is a specification, not a quote. Edgework is priced per linear foot and glass per square foot, so two mirrors of the same area can be very different jobs — a tall narrow panel carries far more edge than a wide one. We confirm the wall, the blocking and the power before pricing anything.
Next step
Get this mirror made
Send the spec. We confirm the wall, check for blocking and power, and come back with a firm price.
Glass
1/4 in standard
1 x standard clear mirror, 42" by 36", flat polished edge
- Application
- Bathroom vanity
- Mirror
- Standard clear mirror, 1/4 inch
- Size
- 42" x 36" (10.5 sq ft each)
- Quantity
- 1 panel
- Edge
- Flat polished
- Backing
- Standard backing
- Mounting
- J-channel and clips
- Options
- None
- Weight each
- 34 lb (1-person hang)
- Edge run
- 13.0 linear ft polished
- Fabrication
- 5–8 days
- Location
- Fairfax / Loudoun / PW
Text it to us
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Email it to us
Opens your mail app with the full spec
Call and read it out
(703) 470-7867 · 24/7 Emergency Service
The details that separate a custom mirror from a builder mirror
A builder mirror is a sheet of quarter-inch clear glass with seamed edges, stuck to the drywall with mastic and held at the bottom by a J-channel. It works, it is what every builder specs, and it is why so many bathrooms look identical. Everything that makes a mirror feel custom is edgework, mounting and light.
Edgework is the biggest visual jump you can make. A flat polished edge reads finished rather than raw. A one-inch bevel picks up light along the border and gives the mirror a visible thickness. Both are run by the linear foot, which means a tall narrow mirror carries far more edge than a wide one at the same area — worth knowing when you are comparing two shapes.
Plan the wall before the mirror
Standoffs and French cleats both need solid blocking behind the drywall. Backlit mirrors need a junction box roughly centered behind the panel. Both are trivial to add while a wall is open and expensive to retrofit afterwards. If a bathroom is being renovated, decide the mirror before the drywall closes.
Questions people ask
Quarter inch for anything above about 12 square feet, which is most vanity mirrors. Three-sixteenths is fine for smaller panels and closet doors where the mirror is fully supported. Thinner glass in a large panel shows a subtle funhouse waviness in the reflection, and once you notice it you cannot stop noticing it.
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