Metal Roofing in Thunder Bay
Standing seam and steel metal roofing for Thunder Bay homes. Sheds heavy snow, stands up to Lake Superior wind, and lasts decades longer than asphalt. The Northern long-term answer.
The Roof Built to Weather the North
When Thunder Bay homeowners want a roof that will outlast everything Lake Superior throws at it, they turn to metal. Up here, metal is not a luxury upgrade, it is the material best matched to the climate. Heavy snow load, relentless freeze-thaw, and cold lake wind are exactly the conditions metal is built to handle, and it is the system we recommend most often for homes across the region.
Sleeping Giant Roofing designs and installs metal roofing across Thunder Bay, the Port Arthur and Fort William sides, and out into rural Oliver Paipoonge, Neebing, Shuniah, and the north shore. Call (807) 501-9192 for a free consultation.
Why Metal Wins in Thunder Bay
It Sheds Snow Instead of Holding It
This is the big one. A smooth metal roof lets snow slide off rather than building into the deep pack that loads your structure and feeds ice dams. Less snow sitting on the roof means less weight, less meltwater, and far less of the ice-dam misery that defines winter on many local roofs. We install snow guards so the snow comes off where you want it, not over the front door.
It Beats Lake Superior Wind
The cold wind off the bay works at the edges, ridge, and fasteners of an asphalt roof and lifts shingles over time. Standing seam metal uses concealed clips and interlocking panels rated for very high wind speeds, with no exposed fasteners to fail. On exposed lots, especially out in the townships and along the shore, this wind resistance is a real advantage.
It Lasts Decades Longer
A quality asphalt roof in our climate often needs replacing in 15 to 25 years. A metal roof can last 40 to 70. For a home you plan to keep, that can mean never re-roofing again, and it adds value for future buyers who would rather not face a roofing bill.
Types of Metal Roofing We Install
Standing Seam
Our top recommendation for the North. Continuous vertical panels join with raised seams and concealed fasteners, so there are no screw holes through the panel surface to leak. The clean lines suit modern and traditional homes alike, and the concealed-fastener design is the most weather-tight metal system available.
Metal and Steel Shingle Systems
Individual panels that replicate the look of asphalt shingles, shake, or slate while delivering metal’s performance. These are popular on established streets in Port Arthur and Westfort where homeowners want a long-life roof that still fits the character of the neighbourhood. Stone-coated steel adds texture and extra sound dampening.
Materials
- Galvalume steel. An aluminum-zinc coated steel that resists corrosion well, the preferred base for standing seam in a moist, lake-influenced climate like ours.
- Galvanized steel. Strong and cost-effective, with multi-layer paint systems for colour stability and protection.
- Aluminum. Naturally corrosion-resistant and lightweight, a good fit for the most moisture-exposed shoreline properties.
How We Install It
We start with a detailed survey and material selection, then prepare the deck just as we would for a roof replacement: tear-off, decking repair, ice-and-water membrane at the eaves and valleys, and full underlayment. Panels are installed to the manufacturer’s specification with allowance for thermal expansion, proper clip spacing, and integrated custom flashing at every transition and penetration. We finish with snow guards at the spots that need them and coordinate any eavestrough and soffit and fascia work so the whole system functions together.
Worth the Investment Up Here
Metal costs more up front than asphalt, with the price depending on the system, the metal, and the complexity of your roof. But across a Thunder Bay winter, the snow-shedding, wind resistance, long lifespan, and low maintenance change the math. Most homeowners who plan to stay find metal is the better long-term value. Our guide on metal versus asphalt for Thunder Bay winters lays it out, and the roof cost calculator gives a quick estimate.
Get a Free Metal Roofing Quote
We will assess your roof, show you the options that fit your home, and give you a clear written estimate. Call (807) 501-9192 or request a free estimate online. We serve all of Thunder Bay and Northwestern Ontario.
How It Works
Free Consultation & Inspection
Give us a call or fill out our online form. We will come to your property, inspect your roof thoroughly, and discuss your options, all at no cost and no obligation.
Detailed Written Estimate
You will receive a clear, itemized quote that covers materials, labour, timeline, and warranty details. No hidden fees, no surprises, just honest pricing.
Expert Installation
Our experienced crew handles your project from start to finish with quality materials and clean, professional workmanship. We keep you updated every step of the way.
Final Walkthrough & Warranty
Once the job is done, we walk through everything with you to make sure you are completely satisfied. You get a written warranty so your investment is protected for years to come.
Frequently Asked Questions
Why is metal the best roof for Thunder Bay winters?
Three reasons. Its smooth surface sheds snow instead of holding it, which cuts the snow load on your structure and breaks the ice-dam cycle. Its interlocking, concealed-fastener panels stand up to the cold wind that funnels off Lake Superior far better than asphalt. And it lasts 40 to 70 years in our climate where asphalt often needs replacing in 15 to 25. For a home you plan to keep, metal is usually the smartest long-term roof up here.
Does a metal roof help with ice dams?
It helps a lot. Because metal sheds snow rather than letting a deep pack build up and melt unevenly, there is far less of the meltwater that feeds ice dams. Paired with proper attic ventilation and ice-and-water membrane at the eaves, a metal roof is one of the most effective defences against the ice damming that plagues Thunder Bay homes. We also install snow guards so the snow releases where you want it.
Is a metal roof noisy in rain or when snow slides off?
No. Modern metal roofing installed over solid decking with underlayment is no louder in the rain than any other roof, because the deck, underlayment, and attic insulation absorb the sound. Snow does release in slides rather than melting slowly, which is why we install snow guards at entries, walkways, and over lower roof sections to control where and when it comes down.
Will a metal roof rust in our climate?
Quality metal roofing is built to resist it. Steel panels use galvanized or Galvalume coatings plus baked-on paint systems for multiple layers of protection, and Galvalume in particular handles the moisture coming off Lake Superior well. With proper installation, rust is not a concern within the roof's expected lifespan.
Can you install a metal roof in cold weather?
Metal can be installed in colder conditions more readily than asphalt because it does not rely on heat-activated sealant strips to bond. Extreme cold makes the panels harder to handle and snow or ice on the deck can delay work, but we install metal across more of the year than asphalt. We will schedule around the conditions to get it done right.