Fiberglass & Composite Windows

Advantages of Fiberglass and Composite Frames

  • Extremely strong—can hold large expanses of glass
  • Weather-Resistant Material
  • Low maintenance
  • Rigid yet lightweight
  • Paintable

Fiberglass frames are essentially composed of glass fibers and resin, materials that expand and contract very little with temperature changes in the weather. Until recently, the complex profiles required for window designs have been impossible to attain with fiberglass. Innovation has made it possible to design a fiberglass frame. Fiberglass windows and patio doors are becoming more popular among homeowners for its beauty and long-lasting durability.


Southgate Glass carries many lines of fiberglass windows and doors:

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