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

We were very happy with this company – customer service was efficient and professional, price was fair, and the products we ordered and how they were installed was what we were hoping for. I would recommend this company.
google review Tamara, Mississauga, window-door installation
Gave us fair price, had windows made within 3 weeks and installation was done in one day the guys cleaned up after and took all old ones away great service
google review Chris, Mississauga, 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
Good work, timely and love the windows
google review Shukri N, 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.