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

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
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
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…
google review Dr D, Toronto, door installation
Beginning with the office calling us and promising a Free Estimate and No Obligation with Estimate Valid for 2 years. Estimator was very friendly and knowledgeable about the green rebate and the window construction. The installation team was very professional and very clean, no mess. Recommend to anyone wanting a Porch Enclosure or Patio Door.
google review Pierre Cowan, 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.