We are an industry leader in superior quality window and door installation since 1986. The family-owned and operated company is located in Unionville, Ontario, serving Toronto, Durham and the GTA. Masellis Windows and Doors has a workforce that’s experienced, skilled and dedicated to achieving top-quality results – on time and on budget. We serve both the residential and commercial sectors and are fully insured.
Ask any window manufacturer and they’ll tell you, there is no such thing as a great window, without an equally great installation. We don’t have a big budget for advertisement to attract new customers day after day. That’s a fact. The truth is, you are our best means of getting the word out, so you can guarantee that we want to make you extremely happy about the quality of our work.
We’re a very small company built around knowing our craft and taking the time to do each job, large or small, correctly. That means that your window is air and water sealed properly. It is installed carefully so that it operates easily. You’ll want to tell your friends and neighbors about us.
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If you have to think about how your door is opening and closing, you probably have a poor installation. Hanging a door properly is harder than it may appear because the weight of the panel is unforgiving over time if the frame isn’t initially square and the weight isn’t properly distributed on the fasteners. At Masellis, we’ve installed hundreds of doors.
Better yet, we’ve installed hundreds of doors so well that our customers tend to forget about us. After all, when the door opens and closes smoothly, year after year, you don’t think about it, right? Please try to remember us long enough to tell your friends and neighbors how forgettable we are!
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Why Choose Us?
- More than 35 years industry experience
- Serve GTA and Durham region
- Professional and friendly service
- Quality products that will increase heating and cooling efficiency in your home
- Custom design and installation
- Fully Insured