Soffit Replacement in Toronto & the GTA

Century Aluminum replaces soffit for Toronto homeowners dealing with damaged, rotting, or poorly ventilated rooflines. We install vented aluminum soffit that protects the structure and restores proper attic airflow. Serving Toronto, Mississauga, Oakville & the GTA. Free estimates available.

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    What Does Our Soffit Replacement Service Include?

    Soffit replacement is not just swapping panels. It means removing the old system correctly, inspecting the roof framing underneath, and installing new aluminum soffit with the right balance of vented and solid panels for your attic ventilation requirements.

    Full Soffit Removal and Inspection

    We remove all existing soffit panels and backing material from the full roofline perimeter. Before any new panels go on, we inspect the rafter tails, sub-fascia, and any existing wood backing for rot, moisture damage, and pest entry points. Proper ventilation reduces heat buildup, prevents ice dams, and extends roof life.

    Vented Aluminum Soffit Installation

    Vented soffit panels have perforations that allow outside air to flow into the attic, working with ridge and gable vents to regulate attic temperature. Proper attic ventilation reduces heat buildup in summer, prevents ice dams in winter, and extends the life of your roof shingles. Typically vented soffit is installed along the entire roofline.

    Solid Aluminum Soffit Installation

    Solid panels are used in areas where continuous ventilation is not required or where existing roof venting is already sufficient. We install solid aluminum where the roof design calls for it and coordinate the panel placement with your vented sections for a consistent finished appearance. Porch ceilings are typically finished with solid, non-vented soffit.

    Soffit Replacement Coordinated with Fascia and Eavestrough

    Soffit replacement done in isolation can create integration issues at the fascia and J-channel joints. We plan soffit replacement as part of your full roofline system. We coordinate soffit replacement with fascia and eavestrough to ensure proper fit and reduce total labor.

    Century Aluminum - Soffit Replacement Specialists in Toronto & the GTA

    Family-owned, 15+ years replacing and installing aluminum soffit across Toronto, Mississauga, Oakville, and the GTA. We install both vented and solid aluminum panels, and back every replacement with our 3-year service warranty and a lifetime limited material warranty.

    Why Homeowners Trust Century Aluminum

    Replacing damaged or failing soffit is one of the best ways to protect your roof structure and restore ventilation. Century Aluminum replaces it cleanly and correctly.

    • Family Owned and Operated Since 2011 A family business that approaches soffit replacement with the same care we would give our own homes.
    • 630+ Verified Homeowner Reviews Over 630 homeowner reviews across Google and HomeStars from GTA residents who trusted us with their exterior replacements.
    • 15+ HomeStars Best of Awards Recognized year after year for the kind of professional soffit replacement work that holds up through Ontario’s seasons.
    • Thousands of Exterior Projects Completed Across the GTA Soffit replacement is one of the services we have performed most often across Toronto and surrounding communities.
    • Experienced In-House Installation Crew All replacement work is done by our own crew, who know how to properly integrate new soffit with your fascia and eavestrough system.
    • Fully Insured and WSIB Covered Every soffit replacement is backed by full insurance and WSIB coverage throughout the project.
    • Vinyl Siding Institute (VSI) Certified Installer
      Lead installer oversees exterior installations using recognized standards for proper fastening, ventilation spacing, and long-term performance.
    • Alu-Rex Certified Installer When soffit replacement is part of a broader roofline refresh, we can add certified Alu-Rex gutter protection to the same project.
    • Working at Heights Certified Installers Our installers are certified to work safely at roofline height on any residential structure under Ontario standards.
    Homestars 5 Star e1777469453360

    Why Choose Century Aluminum for Soffit Replacement?

    We assess attic ventilation requirements before specifying panel types, so the new soffit works as part of your roof system, not just as a cosmetic finish. Vented and solid panels are placed where they are needed, not distributed arbitrarily.

    Ventilation ratio assessed before installation begins

    Rafter tails and backing inspected for rot before new panels go on

    Coordinated with fascia and eavestrough for a complete roofline finish

    Soffit Replacement in Toronto, Mississauga & the GTA

    Damaged or poorly ventilated soffit leads to attic heat buildup, ice dams, and moisture problems. Get a free replacement assessment before it spreads further.

    Signs Your Soffit Needs Replacing

    • Sagging, cracked, or missing soffit panels: Sections pulling away from the fascia or showing visible deterioration that repair cannot address
    • Pest entry at the roofline: Gaps or holes in deteriorated soffit giving birds, squirrels, and insects access to the attic cavity
    • Ice dams forming repeatedly along the roofline: Often a symptom of inadequate attic ventilation caused by blocked or insufficient soffit venting
    • High attic temperatures in summer: Inadequate soffit ventilation traps heat in the attic, increasing cooling costs and stressing roof shingles
    • Water staining on interior ceilings near the eaves: Moisture in the attic caused by poor ventilation or damaged soffit panels allowing water infiltration

    Looking for Another Soffit or Exterior Service?

    Soffit Repair Toronto

    Fix damaged or sagging soffit panels without a full replacement where the system is otherwise sound.

    Fascia Replacement Toronto

    Replace fascia boards alongside your soffit for a complete, integrated roofline finish.

    Soffit & Fascia

    View our full soffit and fascia service covering installation, repair, and replacement.

    Frequently Asked Questions About Soffit Replacement in Toronto

    How do I know if my soffit needs replacing or just repairing?

    Repair is right for localized damage to a few panels with sound backing behind them. Replacement makes more sense when damage is widespread, the system is wood or aged aluminum past its service life, or ventilation is inadequate across the full roofline.

    Vented soffit has perforations that allow outside air into the attic. Solid soffit has none. Most GTA homes need a mix of both, with vented panels along the roofline to maintain proper attic airflow.
    Yes, when vented panels are correctly specified. Proper soffit ventilation reduces summer heat buildup, prevents winter ice dams, and extends shingle life. Older homes with solid wood soffit typically see a meaningful ventilation improvement after replacement.

    In some cases, yes. Soffit can be replaced independently. Combining it with fascia or eavestrough work on the same visit reduces labour cost and ensures all components integrate cleanly at the joins.

    Yes. Century Aluminum serves residential and commercial properties throughout the GTA, including Mississauga, Oakville, Scarborough and Brampton. Contact us for a free estimate.

    Replace Your Soffit and Protect Your Roofline for Decades.

    New aluminum soffit from Century Aluminum protects your attic, improves ventilation, and eliminates maintenance. Call us today or fill out our form and we’ll get back to you within one business day.

    Service Areas

    We provide professional soffit replacement and roofline services across residential neighborhoods in Toronto and the Greater Toronto Area. Our work focuses on detached, semi-detached, and townhomes in suburban communities where proper ventilation and exterior protection are critical.