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

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 job from start to finish. Our sales rep, Jacob, went out of his way to ensure we were comfortable and happy with our choice to go with Loyal Seal. He took all our calls and came by twice to answer all our questions and ensure us we were getting the doors we wanted and they would be installed properly. Udi and his team did the installation. They arrived on time and did a great job ensuring that the doors were put in correctly. They even went to the nearest Home Depot when they need special screws that they did not have. They made sure that the area was left very clean. We would definitely call Loyal Seal for our next replacement
google review Mona, Toronto, door installation
Got my windows and doors done, had great customer service and an overall good experience. Would definitely recommend their product and service too.
google review Shawn Smoothe, window-door installation
Tried to get another well known and advertised company to come out and give me a quote but they never called back. Loyal was there in no time to give me an estimate and we signed a contract. Work was done on time, neat and appears to be of good quality. I am totally satisfied and as a footnote the installation contractors had no problem with me hovering as they did the work…lol
google review Steven, Brampton, window 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.