Fiberglass Windows from Superior Products Colorado


Fiberglass windows are becoming more popular by home owners for several reasons. For starters, fiberglass window frames are made from silica sand. This means that fiberglass window frames are incredibly strong and maintain their structural integrity over time. In simple terms, fiberglass replacement windows resist sagging, warping, twisting and cracking from heat, cold, or moisture

Fiberglass windows also have excellent insulating qualities to keep your home warm in the winter and cool in the summer. Hollow-core fiberglass windows provide excellent insulation. The frames also can be filled with foam to increase the excellent insulating properties even further.

Foam-filled fiberglass windows provide the most insulation, but hollow-core fiberglass windows provide excellent insulation, too.

In terms of aesthetics and beauty, fiberglass windows also can mirror the look of wooden windows, with mellow brown tones that add warmth and richness. While fiberglass typically comes in neutral colors from the factory, it can be painted – which provides a wide range of color options.

  • Replacement Windows Denver | Superior Products Colorado
  • Replacement Windows Denver | Superior Products Colorado
  • Replacement Windows Denver | Superior Products Colorado
  • Replacement Windows Denver | Superior Products Colorado


In past years, choices for fiberglass windows were limited. Today, however, many well-known window manufacturers offer quality options in fiberglass replacement windows.

The key benefits of replacement fiberglass windows are:

  • Strength: Fiberglass is considered the strongest window framing material on the market today, which guarantees long life for the windows.
  • Beauty: Fiberglass windows can be crafted to mirror the richness and look of real wood windows without the maintenance requirements of wood windows.
  • Energy Efficiency: Fiberglass windows offer excellent “thermal performance,” and they’re resistant to condensation.
  • Stable Material: Fiberglass is a stable material that expands and contracts at the same rate as the glass in the window. This minimizes stress on seals & joints, and prevents air leakage.
  • Eco-friendly:  Fiberglass has a low environmental impact because it’s made from silica sand.

Replacement Fiberglass Windows We Carry

  • Milgard

Contact Superior Products Colorado at 303.347.2555, or Email Us for a free, in-home estimate.