The Top 10 Fiberglass Window Manufacturers

Here are the top fiberglass window manufacturers in around the globe. If you’re looking for the best fiberglass on the market, check our this digest.

There are several manufacturers of fiberglass windows and doors, each with their own strengths. EnerLux focuses on energy efficiency, while Milgard offers a variety of products made from different materials.

Cascadia Windows & Doors specializes in high-performance windows and doors. And the list goes on.

All of these companies offer warranties on their products.

EnerLux

Manufacturer: enerluxwindows.com

Contact phone: 402-205-3055

Types of windows: EnerLux Windows and Doors manufactures a variety of energy efficient fiberglass windows, including casement windows, awning windows, and fixed windows. Prices for their windows vary depending on the size and style of the window, but start at around $200 per window.

EnerLux Windows and Doors is a Midwest manufacturer of energy efficient fiberglass windows and doors that unite Energy and Luxury. They strive to provide their customers with the highest quality, most cost-effective, energy efficient fiberglass windows and doors for the new construction and replacement market.

By focusing on air-tight fiberglass windows and doors with high R-Value, solar tuned glass, they feel that they can help the internal and external environment one home at a time. Each window and door features the highest quality components, ensuring that their products will perform over the lifetime of your home.

Their casements and awnings have triple weather-stripping with continuous corner seals to provide an airtight and watertight perimeter Our glass thickness minimum is 3.99 mm with a 1” insulated glass unit. This allows more space between the panes to be filled with argon gas which

Milgard

Manufacturer: milgard.com

Types of windows: Milgard offers a variety of fiberglass windows, including single-hung, double-hung, casement, awning, and picture windows. Prices vary depending on the size and style of the window, but start at around $200 per window.

Milgard Windows and Doors is a leading manufacturer of fiberglass windows and doors. Their products are known for their strength, low maintenance, and energy efficiency.

Milgard also offers a variety of other window and door products made from vinyl, aluminum, and wood. All of their products come with a warranty, and they have headquarters in the United States and Canada.

Cascadia Windows & Doors

Manufacturer: cascadiawindows.com

Types of windows:

• Cascadia windows and doors are available in a variety of styles and configurations to suit any building need. They offer a wide range of customization options, including color, finish, hardware, and glazing.
• Pricing for Cascadia windows and doors will vary depending on the specific product and customization options chosen. A rough estimate for a standard window would be in the range of $200-$300 per window.

Cascadia Windows & Doors is a leading manufacturer of high-performance windows and doors. Their products are made with a proprietary, high glass-fiber-to-resin formula that provides superior strength and thermal efficiency.

Cascadia windows and doors are available in a variety of styles and configurations to suit any building need. They offer a wide range of customization options, including color, finish, hardware, and glazing.

Cascadia products are backed by a comprehensive warranty program that covers materialshttps://www.traditionrolex.com/42, labor, and installation.

Andersen Windows

Manufacturer: andersenwindows.com

Contact phone: 800-426-4261

Types of windows:

• Casement windows: $200-$300
• Double-hung windows: $300-$400
• Picture windows: $400-$500

This company makes a variety of windows, including casement, double-hung, and picture windows. They use fiberglass and Fibrex composite material to make their windows durable and weather-resistant.

They offer a variety of warranty options, depending on the type of window you purchase. Their headquarters are located in Bayport, Minnesota.

American Fiberglass Windows

Manufacturer: americanfiberglasswindows.com

Contact phone: 856-235-8500

Types of windows:

• Awning windows: $200-$300
• Casement windows: $250-$350
• Double hung windows: $300-$400
• Glider windows: $350-$450
• Picture windows: $400-$500
• Single hung windows: $200-$300

This company makes awning, casement, double hung, glider, picture, and single hung windows. They use Ultrex fiberglass for their windows, which is stronger and more durable than vinyl and Fibrex.

They have an extensive warranty and their headquarters are located in Moorestown, NJ.

Marvin

Manufacturer: marvin.com

Contact phone: 664 888 1200

Types of windows:

• Doors: $200-$300
• Skylights: $400-$600
• Other spaces: $100-$200

This company makes a variety of windows, including doors, skylights, and other spaces. They use high-quality materials and their products are backed by a warranty.

Their headquarters are located in California.

Infinity from Marvin

Manufacturer: infinitywindows.com

Contact phone: 800-372-1072

Types of windows:

• Infinity from Marvin offers a complete collection of styles, features and options to complement any home. Their Ultrex fiberglass windows and doors are designed to withstand the test of time and are backed by a Limited Lifetime Warranty.

Infinity from Marvin is a window and door replacement company that offers a complete collection of styles, features and options to complement any home. Their Ultrex fiberglass windows and doors are designed to withstand the test of time and are backed by a Limited Lifetime Warranty.

Infinity from Marvin’s headquarters are located in Warroad, Minnesota.

My Window Works

Manufacturer: mywindowworks.com

Contact phone: (708) 443-4289

Types of windows:

• Awning windows: $200-$300
• Casement windows: $250-$350
• Double-hung windows: $300-$400
• Sliding windows: $350-$450
• Bay windows: $450-$550

This company makes fiberglass windows and offers a variety of styles, sizes, and shapes to suit any room. They use energy-efficient materials and offer a variety of customization options.

They also have a warranty option and their headquarters are located in Chicago.

Metropolitan Window

Manufacturer: metropolitanwindows.com

Contact phone: 724-933-5555

Types of windows: The company offers a variety of different window styles, including double-hung, casement, awning, and bay windows. Prices vary depending on the style and size of the window, but start at around $600 per window.

Metropolitan Window Company is a window manufacturer that specializes in fiberglass replacement windows. Their windows are made from patented Ultrex pultruded fiberglass, which is stronger and more durable than other materials.

The company offers a limited lifetime warranty on their products. They are headquartered in Pittsburgh, Pennsylvania and have locations across the United States.

Wincore Windows

Manufacturer: wincorewindows.com

Contact phone: 304 485 7460

Types of windows:

• Awning Windows: $200-$300
• Basement Windows: $100-$200
• Casement Windows: $250-$350
• Double Hung Windows: $300-$400
• Picture Windows: $350-$450
• Sliding Windows: $400-$500

Wincore Windows and Doors is a manufacturer of high-quality windows and doors. Their products are made from durable materials and come with a variety of warranty options.

Wincore’s headquarters are located in Parkersburg, West Virginia.

Recap