Integral Window Systems Will be Closed December 20th, 2019 - Janurary 3rd, 2020

Integral Window Systems

manufacturing basement windows for over 10 years!!!

About Us

Industry Leading Technology


Integral Window Systems has developed the latest technology in: Structural Load Pour In Place Basement Windows.

Pour In Place Windows


Our Pour In Place windows are uniquely designed not only to be visually appealing but also to be able to keep up with a toughness of site conditions. 

Replacement Insert Windows


The Insert Window can be used in many applications, but more specifically to convert the sash-less sliders of an old Steel Basement Window into a safe, modern, and energy saving component for your home.

Contact Us

Drop us a line!

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Better yet, see us in person!

We love our customers, so feel free to visit during normal business hours.

T: 416-744-6665

F: 416-744-1116


Integral Window Systems

4101 Weston Road Unit 11, Etobicoke, Ontario M9L 1W6, Canada


Open today

07:30 a.m. – 04:00 p.m.

Please Note: Integral Window Systems is CLOSED during all long weekends. 


Closed Friday December 21st, 2018 @ noon - Friday January 5th, 2019


Monday January 7th, 2018