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DISCOVER OUR INNOVATIVE WINDOW SOLUTIONS

Durable Design:

Our fiberglass windows are crafted with precision and durability in mind, ensuring long-lasting performance and beauty for your home.

Energy Efficient:

Experience superior energy efficiency with our fiberglass windows, designed to keep your home comfortable while reducing energy costs.


Our Tilt and Turn offer convenient and stylish options for fresh air while maintaining a high level of performance. They tilt inward from the top for draft-free ventilation even during rain, or with a simple turn of the handle, open inward just like a door for maximum ventilation and easy cleaning. When closed, our tilt & turn windows appear just as elegant as our fixed windows.

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Our Contemporary fixed window has greater size capabilities and minimal sightlines. This window can deliver dramatic walls of glass while at the same time being able to accept venting windows.

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The Euro style operable window series comes complete with fixed window options which provides for excellent venting and cleaning access. Functional, low cost hardware provides maximum performance and reliability.

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High and Low profile fix windows offer sleek aesthetics and unobstructed views, enhancing natural light and outdoor visibility. Their energy-efficient designs also contribute to improved insulation and reduced energy costs.

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Our casement windows offer unobstructed views and maximum airflow, making them an ideal choice for any room in your home.

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Enjoy seamless access to your outdoor spaces with our sliding windows, combining elegance with practicality for modern living.

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Sliding or Gliding windows operate in a horizontal fashion to allow for full top to bottom ventilation sliding to the left or to the right. Sliders windows only allow ventilation through a single operable sash while the other side is fixed.

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Our Single Hung offer convenient and stylish options for fresh air while maintaining a high level of performance. Single-Hung windows only allow ventilation through a single operable lower sash.

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Our Double Hung offer convenient and stylish options for fresh air while maintaining a high level of performance. Double-Hung windows have two operating sash that move up and down allowing for ventilation on the top, bottom or both.

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SDL and Flat Bar Options

At Inline Fiberglass, we offer a range of SDL (Simulated Divided Lite) and flat bar options to enhance the aesthetic appeal and functionality of your windows and doors. Our SDL options provide the classic look of divided lites while maintaining the energy efficiency and durability of fiberglass. Alternatively, our flat bar options offer a sleek, modern design that complements contemporary architecture. Both choices are crafted with precision to ensure they meet the highest standards of quality and performance.

SDL Windows

Simulated Divided Lite windows combine traditional charm with modern technology.
Our SDL windows feature authentic-looking grids that enhance the visual appeal of your home while providing superior insulation and energy efficiency. Designed to mimic the appearance of true divided lites, these windows are perfect for homeowners seeking a classic aesthetic without compromising on performance.

Authentic appearance with modern efficiency.

Available in various styles and finishes.

Flat Bar Windows

Flat bar windows offer a minimalist design for a contemporary look.
With clean lines and a sleek profile, our flat bar windows are ideal for modern homes. They provide unobstructed views and allow for maximum natural light, making your living spaces feel more open and inviting. Crafted from high-quality fiberglass, these windows are built to last and resist the elements.

Sleek design for maximum light.

Durable and energy-efficient construction.

Options for Extenders

At Inline Fiberglass, we offer a variety of extender options to enhance the functionality and aesthetic of your windows and doors. Our extenders are designed to seamlessly integrate with our products, providing additional support and versatility for your installation needs. Choose from different styles and finishes to match your home’s design while ensuring optimal performance and durability.

AAMA

A black and white logo with the letters aa and ma in a square.

PHIUS

The logo for phius is a blue and black logo with a circle in the middle.

PHI

The logo for the passive house institute is red and yellow.

NFRC

It is a logo for the national fenestration rating council.