MILGARD C700 Fiberglass Series Windows & Doors

Strength, durability, and modern design with advanced fiberglass window technology.

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The Milgard C700 Fiberglass Series offers a perfect combination of strength, energy efficiency, and contemporary design. Built with durable fiberglass frames that resist warping, swelling, and cracking, these windows deliver long-lasting performance while maintaining a sleek modern look.

Designed to handle temperature changes better than traditional materials, the C700 series provides exceptional insulation and durability for homes in a variety of climates.

Fiberglass windows are one of the strongest and most stable window materials available today. Unlike vinyl or wood, fiberglass expands and contracts at nearly the same rate as glass, which helps maintain a tight seal and improves long-term energy efficiency.

C700 Series (4)

Single Hung

C700 Series (5)

Picture

C700 Series (3)

Sliding Glass

C700 Series (6)

Horizontal Slider

Swing

Awning C700

Awning

Casement c700

Casement

Benefits include:

  • Exceptional durability
  • Excellent thermal performance
  • Low maintenance
  • Modern narrow frame profiles
  • Long-lasting color finishes
C700 Single Hung Window Color Lineup

Why Homeowners Choose Milgard

Milgard has built a reputation for quality and innovation in window manufacturing. The C700 Fiberglass Series reflects that commitment by offering high-performance windows that combine strength, efficiency, and modern design.

With industry-leading engineering and long-lasting materials, Milgard windows are designed to perform for decades.

Milgard C700 windows are designed with advanced glass options and insulated

frames that help improve your home’s energy performance.

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