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Fiberglass Windows

Fiberglass Windows

Fiberglass Windows

Fiberglass frames are composed of glass fibers and resin, materials that expand and contract very little with temperature changes. Fiberglass windows and patio doors are becoming more popular among homeowners for its beauty and long-lasting durability.

Advantages of Fiberglass Frames


We offer the best fiberglass windows available in the industry.

Fiberglass window and door frames from Milgard are ideal for any style and climate

If you can dream it, we can build it. Ultra Series is the ultimate, upscale fiberglass window that makes a visual impact. The fiberglass material resists swelling, rotting, and warping making it the perfect choice for long-lasting durability coupled with exceptional beauty.