Perfect for all styles & Climates

Fiberglass Windows

Why Choose Fiberglass Windows?

Fiberglass windows are strong and built to last. They’re beautiful in modern and contemporary home design and won’t crack, peel, warp, split, pit, or corrode and are impervious to water. Fiberglass windows are more versatile today than ever before.

Built to Last

Fiberglass expands and contracts at the same minimal rate as glass — even in the Okanagan’s changing seasons!

Exceptionally Strong

If you want a wall of unobstructed views, fiberglass windows are your answer. They’re exceptionally strong and durable.

Low Maintenance

Upkeep on fiberglass windows is very minimal. The baked-on paint finish won’t peel or crack and protects against UV stains. Unlike wood, it won’t swell.

Custom Colour

Can’t quite find the colour you’re looking for? You’re in luck. Our fiberglass windows offer an upscale look with more custom and deeper colour options.

Designed for You

Express your creativity and increase your curb appeal with endless grid options. Create the window design that’s perfect for your home.

Superior Hardware

Our fiberglass windows offer attractive, durable, secure, and easy to operate hardware that’s avilable on all window styles

Fiberglass Window Styles

Make your vision a reality. Ultra Series fiberglass windows offer superior performance and energy efficiency with modern design to bring your style to life. 

Horizontal Sliding Window from Milgard

Horizontal Slider Window

Horizontal sliders are a common style of fiberglass windows. They slide left or right and are a low-profile favourite.

Hardware: Positive Action Lock, Cam Lock, an Sash Pull

Casement Window

Fiberglass casement windows open outward like a door. They offer maximum ventilation and unobstructed views.

Hardware: Folding Nesting Operator and Sash Lock

Single Hung Windows from Milgard

Single Hung Window

Fiberglass single hung windows are a great choice for small spaces because they slide upwards and provide plenty of airflow. 

Hardware: Positive Action Lock, Cam Lock, and Sash Pull

Fiberglass Awning Windows by Milgard

Awning Window

Fiberglass awning windows let in plenty of air without worrying about rain or leaves coming inside.

Hardware: Folding Nesting Operator and Sash Lock

Picture windows for Okanagan stratas

Picture & Radius Window

Thanks to their narrow sightlines, fiberglass picture windows are perfect for a modern wall of windows. They don’t open and are often installed in hard-to-reach areas.

Hardware: Non-operable

Adera offers Bay and Bow Windows by Milgard

Bay & Bow Window

Bay and bow windows add a dramatic touch to your home. You’ll increase curb appeal and space in your home. 

Hardware: Dependent on your window selection

Make It Your Own

Design your windows exactly they way you want.

Window grid options


Choose the exact grid style you want and for easy maintenance, selects grids are placed inside the glass. 

Decorative glass for windows

Decorative Glass

We offer decorative glass for privacy or flair and tinted glass for shading. Choose the glass that works best in your home.

Timeless window finishes

Timeless Finish

Make a statement with the colour you choose for your window frames.

Window Inspiration

Choosing the perfect fiberglass windows for your Okanagan home reno or new build doesn’t need to be boring! Just imagine how wonderful your new windows will look.

Fiberglass windows are a durable and beautiful addition to Okanagan dining rooms
Fiberglass windows are low maintenance and resist swelling which make them great options for Okanagan homes
Fiberglass windows for home offices
Milgard Ultra fiberglass windows are perfect for Okanagan homes
Upgrade your home's windows to fiberglass for exceptional durability and style
Milgard's Ultra fiberglass windows are a beautiful addition to Okanagan homes

Have a question?

Visit our FAQ for answers to some commonly asked questions.

Big shout out to Adera Windows and Doors for a job well done. We just love our new windows. Adera was a pleasure to deal with. I will be recommending them in the future to family and friends and would definitely use them again.

Teri B – Vernon, BC 
Teri B – Vernon, BC

Request a Quote

The right advice makes all the difference.

Are you wondering how to make your new window dreams a reality? We have over 25 years of experience and can take away the guesswork so you can enjoy your windows hassle-free.

Visit our showroom in Kelowna to check out your options. Let’s get to know each other!

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4-1990 Landsdowne Pl, Kelowna, BC V1X 5C3, Canada