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MK Windows & Doors

Plan your project

Find the right window & door service

From replacing an older window to supplying a new build, start with the scope your project needs. Compare our four services, then explore the products and installation options that fit your home.

Based in Innisfil, serving homeowners, builders and contractors across Simcoe County, York Region and the GTA.

Installer fastening a window frame with a power drill

What does your project need?

Each service page explains the scope, the decisions to make before ordering and how we can help. You can request windows and doors together or focus on a single opening.

Ladder set up beside a bright window ready for replacement

Existing windows or doors need replacing

Window & Door Replacement

Window replacement and door replacement in Innisfil for aging, damaged or poorly operating units, with options selected for the opening and project.

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Black-framed sliding glass doors stacked for delivery

You have an installer and need product supply

Window & Door Supply

Window and door supply for homeowners, builders and contractors, with professional installation available when needed.

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Not sure which service to choose?

Tell us what you are changing and whether installation is already arranged. We can help clarify the product and service scope before preparing a quote.

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A few details help us get started

  • Your city and the type of property
  • Approximate number of windows or doors
  • Photos of the existing openings or project plans
  • Whether you need supply, installation or both

From quote to supply or installation

A clear process for replacement, installation, new construction and supply-only window and door projects.

Request a quote
  1. Project review

    Tell us what you need, where the project is located and whether you need supply, installation or both.

  2. Measure & select

    We review the openings and help you compare suitable window styles, door options, glass, colours and hardware.

  3. Quote & order

    Your quote outlines the selected products and project scope before anything is ordered.

  4. Supply or install

    Your windows and doors are supplied for the project, with professional installation included when requested.

Planning a window or door project in Innisfil?

Tell us whether you need replacement, installation, new construction or product supply, and we will help you plan the next step.