"Elevating Spaces, Crafting Excellence: Where Precision Meets Prestige in Every Window and Door."

A living room with a couch , chairs , coffee table and rug.

Welcome to Inline

At Inline, our sole focus is to engineer and produce the best fiberglass windows possible. As a fully integrated fiberglass window and door company, we have the distinct advantage of controlling all aspects of design, production and quality. Beginning with the manufacturing of lineals using the pultrusion process, painting, to design and final assembly of windows and doors, our experienced team have gained the industry reputation for producing the best fiberglass windows and doors in the market place. Fiberglass, it’s all we do…


Inline Fiberglass window and door systems are energy efficient and built to last.


Inline Fiberglass Ltd. is the only fully integrated fiberglass window and door manufacturer in Canada. As a result, we have the distinct advantage of controlling all aspects of design, production, and quality. Beginning with the manufacturing of lineals using the pultrusion process, and painting, to the design and final assembly of windows and doors, our experienced team has gained an industry reputation for producing the best fiberglass windows and doors in the marketplace. In addition, we have the largest offering of fiberglass window and door types and combinations.

A black and white drawing of a light bulb on a white background.

Idea

We bring ideas to life. That is both our goal, and our vision, so we make every effort to deeply envision your idea. 

new_icons-2

Design

The design process at INLINE involves several stages, from initial sketches to 2D and 3D modeling. 

new_icons-2

Accuracy

The only rounded corners you'll find at INLINE are the ones you want rounded. We take accuracy very seriously. 

A black and white drawing of a target with an arrow in it.

Satisfaction

Your opinion & satisfaction matter throughout the process. From the very first line drawn, to the last. 

A white background with a few lines on it

Residential

Photo By: John Doe
Button
A white background with a few lines on it

Commercial

Photo By: John Doe
Button

Certifications

Verified quality, nurtured by nature's commitment

A logo for fenestration canada with a red maple leaf
A black and white logo for a company called aa ma.

Add title

This is a text area

Button
The logo for the national fenestration rating council.

Add title

This is a text area

Button
A logo for a company called phius on a white background.

Add title

This is a text area

Button
The logo for the passive house institute is red and yellow.
Your Trusted Partner in Windows and Doors

Comprehensive Solutions for Your Home

Manufacturing Excellence

At Inline Fiberglass, we pride ourselves on crafting the finest fiberglass windows and doors, tailored to meet your specific needs and preferences.

Expert Installation

Our skilled team ensures a seamless installation process, guaranteeing that your new windows and doors fit perfectly and function flawlessly.

Reliable Service

We offer ongoing support and maintenance services to keep your windows and doors in top condition, ensuring long-lasting performance.

Unmatched Warranty

We back our products with one of the most comprehensive warranties in the industry, giving you peace of mind with every purchase.

Quality Assurance

Our commitment to quality means that every product we manufacture is rigorously tested to meet the highest standards.

Customer Satisfaction

We prioritize your satisfaction, providing personalized service and support throughout your entire experience with us.

Get your Free Quote Today!

Fill out the form to receive a free quote for our top-quality fiberglass windows and doors. 

Request a Quote


Explore our gallery!