Three reasons it wins in the desert.
Stronger, longer
Up to 8× stronger than vinyl — and built to outlast it by roughly twenty years.
Holds its shape
Frame and glass expand at the same rate. No warping, fewer leaks in 115° heat.
Curb appeal
Six factory finishes, multiple styles. Color that won’t fade or peel.
The Milgard Fiberglass Series
Engineered for the 21st century. Energy-efficient, practical, durable, and beautiful — the C700 keeps Arizona interiors comfortable while standing up to everything outside.
Strength
One of the toughest materials on the market — it shrugs off both weather and wear.
Energy performance
Top-tier efficiency built for extreme climates. Lower bills, steadier rooms.
Full line
Windows plus swinging and sliding patio doors — outfit the whole home in one series.
Operating Styles
Factory Finishes
White
Black
Bronze
Bark
Adobe
Steel Gray
Three signs your windows are done.
It won't open
Visible rot or a sash that’s stuck shut means the seal has failed — and a stuck window is a fire hazard.
The room runs cold
Feel air moving near the glass? You’re paying to heat and cool the outdoors. New windows pay themselves back.
Cloud between the panes
Condensation inside the glass means the seal is broken. No cleaning fixes it — only replacement does.
Three steps, start to finish.
1. Measure & quote
We come out, measure precisely, and walk you through the right C700 configuration for your home — then quote it.
2. Clean install
Trim, sash, frame and sealant come out without breaking glass. Your new windows go in with full insulation.
3. Finish & clean up
We seal, finish, and tidy the workspace — minimal disruption to your day, no mess left behind.
Pick the install that fits the home.
Streamlined
Our most affordable option — fast, clean, craftsmanship guaranteed.
- Existing frame stays in place
- Minimal disruption
- Specialized caulk & stucco touch-ups
The value pick
Elevated installation without the top-tier price tag.
- Block frame
- Drywall cutback & stucco repairs
- Specialized caulk
Top of the line
For new builds or homes going to market. Nothing cut.
- AAMA certified, stucco cutback
- New vapor barrier, tar paper, foam & lath
- Full stucco & drywall repair
Protected for the long run.
Choose Greco Roman and your windows come backed by our warranty — professional care at minimal cost.
And fiberglass is refreshingly low-maintenance: a little mild detergent and water keeps it sparkling. Skip the abrasives, and we’ll handle the checkups.
“A construction company that does windows — not a window company that installs.”
Ready for windows that last?
Schedule your free in-home consultation with our expert installers and see the C700 in your own light.