Toronto’s #1 Windows & Doors Specialists

Over 80,000 Greater Toronto Area home owners chose us for quality windows and doors since 1998. Get a quote today.
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Delivery & Installation

Fast and clean installation by professional technicians

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Energy Efficient

Reduce your bills by 25% and soundproof outside noise

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Product Warranty

Reliable windows & doors with limited product warranty

Join over 80,000 customers in GTA

Good work, timely and love the windows
google review Shukri N, window installation
We used this company to replace a garden door leading to our deck, and were completely satisfied with their work. The following Spring, we had them back to replace the windows in the front of the house. On both occasions, the work was done on time, professionally and they cleaned up after themselves. We were satisfied to the point that they are back again this year to do some more of our windows.
google review Mariani Family, Etobicoke, door installation
With the windows company that replaced all the windows and doors in our house, but had gone out of business a couple of years ago, we were left with the glass that had a broken seal and thus looked foggy and pink throughout the surface as if being utterly dirty (especially an unattractive look as the windows represent the house from the front of the house). The two doors, leading to the garage and to the outdoors from the mudroom, original to the house, needed a replacement as well. Loyal Seal provided a well-supported on every level service from the inquiry call​​​, to the estimate and measurements, reminders and the actual installation: a polite and courteous​ ​demeanour of all the employees, competent appraisal, followed by expert and clean work made a great impression. We have been through numerous renovations over the past 20 years​​, and had anywhere from mediocre to very bad experiences with the services. Loyal Seal had made the process very enjoyable and exciting. Tatiana and Michael.
google review Tatiana and Michael, Oakville, window installation
Great quality windows and doors. Service was super friendly and it was done in a quick manner. Would definitely recommend if you’re looking to get any upgrades!
google review Sara Davide, window-door installation

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Premium Windows & Doors at Affordable Prices Since 1998

With over 20 years of experience in the windows and doors industry, Loyal Seal Windows & Doors Inc. is one of Canada’s leading windows and doors suppliers. Loyal Seal carries a wide range of quality windows and doors systems.

When you choose windows, you want quality, beauty, and economy. Choosing Loyal Seal for your home means choosing the highest quality materials and installation service. It means being pleased with your beautiful windows and doors for years to come.