Alpha Sliding Windows | High-Quality, Energy-Efficient Design

Benefits

Why choose Alpha sliding windows?

Our sliding windows are ideal for spaces where swinging windows aren’t practical—offering a sleek, space-saving design with smooth, effortless operation. Built with quality craftsmanship and modern styling, each window includes a multi-position locking system for customizable ventilation, enhanced privacy, and added security. Plus, every unit comes standard with an anti-lift feature to keep your home safe and secure.

An innovative solution for the block and tackle system.

Our single hung windows are built with a coil balance system. The beauty of this system is that these windows come with 4 coils on each side to evenly distribute weight and avoid the risk of your window falling.

The only company to triple weatherstrip our windows

Most windows have two or less weatherstrips, making it easy for your windows to frost or have condensation. Our sliding windows are triple weatherstripped for you to have extra protection from the elements.

Enjoy an extra set of secure stainless steel rollers

Typical windows have one wheel per roller. Our Alpha sliding windows use four rollers with two stainless steel wheels each—that’s 8 wheels total—for ultra-smooth sliding performance.

Easier selection and consistent installation

Our Alpha windows are built with the same universal monoframe design so you can seamlessly mix and match our high-quality and stylish windows however you want.

Configurations

Window Designs

Browse our sliding window styles and discover the perfect fit for
your upcoming project.

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Slider

This window easily glides to provide plenty of ventilation with a panoramic view. Perfect for large horizontal spaces and high-traffic areas in your home.

Single Hung

Single hung windows open up and down to give you a clean and classic style. These windows are ideal for areas where a top sash would be hard to open.

Picture

Picture windows are large and fixed, giving you expansive views and extra light. These windows pair well with operable windows for a complete solution.

Bay

Two angled bay windows and one fixed allow fresh air, sunlight, and energy savings.

Bow

Bow windows create panoramic views, offering sunlight, ventilation, and a clear picture of your surroundings.

Options & Hardware

Bring out your imagination

Transform your sliding windows to your liking with our variety of contemporary colour palettes, robust hardware, and innovative trim finishings.

Exterior Laminate Finishes

Laminate is a patented, sophisticated multi-layer vinyl film that is permanently adhered to the vinyl extrusion to make your window scratch resistant, durable, and reflect 80% of near infared heat. This material offers great colour retention with no chance of substrate failure or minimal fading.

Jet Black

Commercial Brown

Iron Ore

Sable

Brushed Silver

Exterior Trims

Choose from our selection of exterior laminate trims to find the perfect match for your project.

1 1/4" J-Trim Brickmould

Allows sliding window to neatly tuck away.

3 1/4" Exterior Extender

Moves the window further into the wall, making it ideal for ICF or other wide-wall assemblies.

Exterior Panning

Extends the frame allowing you to install exterior insulation up to the window frame.

Interior Trims

Choose from our selection of interior laminate trims to find the perfect match for your project.

Jamb Extension

Your choice of vinyl, stain grade, or paint grade wood. Available in standard and custom jamb widths up to 12”