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Reach out today for all your Windows, Doors, Siding, Shutters and Garage Door Needs.

Your local specialists for Windows, Doors & Siding

Winside is a locally owned company, serving Brampton, Caledon, Mississauga, Milton, Acton and Georgetown since 1985. We specialize in windows, doors and siding along with other exterior home improvements, including shutters, soffits, fascia, and eavestroughs. As members of the Siding and Window Dealers Association of Canada (SAWDAC), Winside adheres to high standards of product quality and business ethics. Our skilled in-house tradesmen, many of whom have been with the company for years, ensure specialized, professional installation. Winside is fully insured, WSIB covered and local business licensed. By focusing on expert installations, quality products and outstanding after-sales service, Winside strives to provide reliable and long-lasting home improvements. To get started with your free home consultation and estimate, please contact us.

Double Door

Window and Door Enlargements

Whether your installation involves cutting through a poured concrete foundation or a brick/block wall, we have the expertise and equipment to handle it. From scaffolding to scissor lifts or telescopic boom lifts, we provide tailored solutions for all your window and door enlargement needs. Trust Winside for your unique residential and commercial projects.

What We Do

  • Bow + Bay Windows
  • Energy Star Rated Vinyl Replacement Windows
  • Entrance Door Systems
  • Sliding Patio Doors
  • Garage Doors and Openers
  • Enclosures
  • Aluminum Awnings and Railings
  • Window and Door Enlargements
  • New Opening Cutout
  • Commercial Windows
  • Insulated Siding
  • Soffit
  • Fascia
  • Seamless Eavestrough (5” & 6”)