Expert Exterior Solutions
for Builders and Homeowners
Across Ontario

For 50 years, Giancola Aluminum has delivered trusted exterior renovation services across Ontario, working closely with leading homebuilders and residential clients alike. We’re known for our precision, professionalism, and the consistency we bring to every project—big or small.

Our experienced team handles everything from aluminum siding and railing installation to complete fibre cement siding installation. With an in-house manufacturing facility and hands-on craftsmanship, we ensure quality from start to finish.
Our Core Services:
Durability
Made from high-quality PVC, our siding resists dents, rust, and wear, making it a durable vinyl siding option for homes that need low maintenance and high performance.
Weather Protection
With built-in UV protection, our UV-protected vinyl siding keeps your home looking vibrant year after year, while shielding against rain, salt, and snow.
Improved Home Value
A clean, cohesive exterior isn’t just aesthetic, it’s a smart investment. Our vinyl siding enhances both value and function, making it a go-to choice for Ontario homeowners.
Energy Efficiency
Our insulated backing helps reflect heat back into the home, improving comfort and reducing energy costs.
Other
When you work with Giancola Aluminum, you’re choosing a vinyl siding contractor with experience, expertise, and a commitment to excellence.
Metal Profile Production Line
Backed by decades of hands-on experience and a strong builder-first approach, Giancola Aluminum remains one of the most referred names in Ontario’s construction and renovation industry.

Work with a Trusted Leader!

When you work with Giancola Aluminum Contractors Inc., you get the best possible results from an industry leader. We are always ready to help you get started. Call us today or get a fast quote using the "Book a Free Consultation" button at the top of this page.

Call Us Today:

(416)­ 674-5226
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  • Tribute Communities has contracted Giancola Aluminum almost all of our siding, aluminum and eavestrough work for 30 years. Giancola Aluminum has been a valued subcontractor partner. They are professional, timely and do quality work.

    M. David Speigel
    Executive VP, Tribute Communities

  • Over the years I have had the opportunity to work with Giancola Aluminum Contractors and I highly recommend them for their professional dealings, their attention to detail, knowledge of their business, quality of work, their willingness to review the plans ahead of time, anticipate problems and recommend solutions.

    Anita Yee
    Vice President, Purchasing and Contracts, Mattamy Homes

  • They’re always there to support our site teams providing feedback and being proactive in mitigating any issues that may arise. I see this relationship being an integral part of our organization for many years to come.

    Erminio Labriola
    Brookfield Residential ON

  • Giancola has been instrumental in providing new and exciting materials to help us market and sell our homes across the GTA. The quality of the material and long-term durability is second to none. The product and installation service is top in the industry. We have tremendous trust with Giancola as a partner on many projects.

    Alexander Libfeld
    Tribute Communities

  • They have been a very trustworthy, dependable contractor and trade. Giancola has always been a leader in being innovative with new products and it's been great to show them our designs, give us their input and be able to adapt and come up with a great product for our homes so that our homeowners can enjoy a good quality lasting product in their home.

    Jeremy Baruch
    Paradise Homes
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Associations
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OHBA Logo
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Siding modern exterior

Get a Full Aluminum & Vinyl
Architectural Consultation

Complete the form below and one of our aluminum & vinyl architectural experts will call you back to discuss everything from design, manufacturing, installation, warranty, maintenance, and more.