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.

Delivery & Installation
Fast and clean installation by professional technicians

Energy Efficient
Reduce your bills by 25% and soundproof outside noise

Product Warranty
Reliable windows & doors with limited product warranty
Join over 80,000 customers in GTA
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…

The initial estimation visit was the best such experience I had so far – to the point, reasonable choices, helping me set priorities on pain points, select models based on my requirements, explained new technologies with pros and cons, offered the option to repair instead of replace where applicable, and set a requested installation date.
Installation itself completed smoothly, no impact to the rest of the house, very clean and thorough work, they answered to questions and let me inspect the work at the end.
Would definitely recommend and will hire Loyal Seal for future work.

Great service! Very clean and professional installation.

Very happy with the Window and service.
Installed on time with no issues.
They took the time to walk us through the mechanics of it and the process to remove the screen.

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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.