Three reasons they steal the show.
Space-saving
Panels fold flat against the wall instead of swinging out — opening the room, not crowding it.
Light & air
A full wall of glass floods the space with daylight and fresh air. Open or closed, they turn heads.
Year-round comfort
Thermally broken aluminum and Low-E glass hold the temperature and cut your energy bills.
Milgard Bi-Fold Glass Walls
Large glass doors that fold in on themselves. An innovative top-hung design makes them effortless to operate, while a Thermally Broken Aluminum frame delivers strength and year-round, energy-efficient comfort — in standard or fully custom sizes.
Top-hung glide
The weight hangs from an overhead track, so panels fold and roll with a light touch.
Thermally broken
An insulated aluminum frame blocks heat transfer for steadier indoor temperatures.
Built your way
Standard or custom sizing, decorative grids, and Low-E or privacy glass options.
Panel Configurations
Frame Finishes
White
Black
Bronze Anodized
Satin Anodized
Warmtone
Clear Anodized
Thermally Broken Aluminum frames. Add Low-E glass for efficiency, obscure/privacy glass for seclusion, and decorative grids to match your architecture.
Four signs your bi-fold is done.
Hard to open or close
Panels that bind or drag usually mean the track has worn or fallen out of alignment.
Cracks & warping
Visible cracks, chips, or warped panels compromise both the look and the seal.
Air through the panels
Drafts mean lost efficiency — your HVAC works harder and your bills climb.
Grinding or scraping
Excessive noise on operation is a sign the rollers or track hardware are failing.
Three steps, start to finish.
1. Measure & quote
We measure the opening exactly — accounting for any irregularities — pick the right panel count, and quote it.
2. Remove & prep
Out with the old doors. We prep the opening and set the overhead track dead-level so panels glide true.
3. Seal & insulate
Top-notch insulation and sealing make the wall energy-efficient and weather-resistant against monsoon and heat.
The hard parts, handled.
Bi-folds are unforgiving — many panels, one track, zero room for error. Our old-world craftsmanship is in the details.
Track alignment
Misaligned tracks make panels stick or miss the latch. We measure and set the track true before hanging a single panel.
Exact measurement
Get it wrong and you get gaps and wall damage. We measure for the perfect fit — even converting a window to a door.
Seal & insulate
Top-notch insulation and sealing make the wall energy-efficient and weather-resistant against monsoon and heat.
Protected for the long run.
Your Milgard bi-fold is backed by an industry-leading warranty — and Greco Roman stands behind every install with professional care at minimal cost.
Years of bi-fold experience, old-world craftsmanship, and only the highest-quality materials. That’s why a DIY job isn’t worth the risk.
“A construction company that does windows — not a window company that installs.”
Ready to open up the wall?
Schedule your free in-home consultation with our expert installers and see a Milgard bi-fold glass wall in your own space.