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Fiberglass Finishes
Fiberglass material tolerates the heat and cold which resists swelling, rotting, and warping. This makes fiberglass windows durable and low-maintenance.
Milgard C650 Ultra™ Series windows and patio doors have fiberglass frames inside and out with four exterior colors available. Each exterior color can be paired with a white interior. However, you can color-match both the interior and exterior colors in Harmony, Bark or the popular Black Bean.
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Quality Control
Milgard will only put our name on a window if it can live up to our standards. Every Milgard fiberglass frame is tested for color uniformity, gloss, film thickness and chemical resistance for quality and long-lasting performance.
C650 windows and patio doors use a powder coat finish on Harmony, Bark, and Black Bean when the exterior and interior are the same color. Otherwise, they are painted with a wet coat application.