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SI Windows & Doors provides Montreal and the Surrounding Areas with professional Security Door Installations. Our Montreal Security Doors are made from high quality durable steel. Our doors incorporate the latest and greatest technologies, and security systems for Residential Entrances. Our premium supplier specializes in the development and manufacturing of superior High Security Doors. Our primary concern is the protection of property and life.

Security is the core of our activity. It is the primary value and benefit which we are committed to providing. Security so our customers can enjoy peace of mind in their homes and in the office. We want you to feel protected and safe. Our commitment to community and the environment is of highest value to us. We are a company who is recognized as a “green” and environmentally friendly business. The company, management and employees support and contribute to the environment and the community.