Ottawa, ON Metal Roofing Review: Why I Chose an Interlock Aluminum Roof Over Asphalt Shingles

Ottawa, ON

Stephen

Dear Interlock,

My asphalt shingle roof was starting to curl and disintegrate after just ten years. Although I had considered metal the last time around, the cost seemed too high. This experience suddenly made it seem like the better choice.

Barry arrived on June 16 and delivered a wonderful presentation on the merits of Interlock aluminum products, reaffirming much of the information available on the internet. The price quoted was more or less as expected, although he did talk me out of the more expensive shake profile which featured in my plans. The one surprise was that my preferred colour, the aged <a class="wpil_keyword_link" title="copper" href="” data-wpil-keyword-link=”linked”>copper, came at an added cost. It would have been helpful had the website indicated that it commanded a premium price.

The timeline was for installation anywhere from 2 to 7 weeks from signing. Provincial Foreman Tony advised me that the boxes of metal shingles and other materials would be delivered on June 27, but they actually arrived early the following morning.

Kelly headed up the crew who did the actual installation. He kept me advised about timing and let me know when illness delayed their arrival by a few days. They showed up as promised on July 7 and had about half the house done before noon, working very smoothly together as a team, with the underlayment completed. Note that the underlayment comes with its own 50-year <a class="wpil_keyword_link" title="warranty" href="” data-wpil-keyword-link=”linked”>warranty and claims that it can cover a roof for up to six months without protection. This may be standard but seems like good quality to me.

Cleanup was very good. The roof was completed on their second day of work, July 11, with a weekend of rain intervening. They also managed to do the entire garage roof (a separate building) the same day. The house roof is 17 squares, with the garage being another 7. Both are hip roof style.

Cleanup was again quite good – I followed around for the final look and didn’t spot anything. However, the next day a closer look around found several strips of the cut asphalt shingles on top of a hedge and in a flower bed (well hidden, in all fairness), along with a few small pieces of cut aluminum which might pose a hazard for some of the younger children who routinely pass through my yard. Yesterday I found two aluminum nails which came to light only after a decent rainfall. Disappointingly, some cut shingles were also left in the gutters which is a much greater problem for an older person, meaning me, to resolve.

Note that the noise of the rain on the aluminum roof is not much different from that of the asphalt shingles. Perhaps a slightly higher pitch, but the insulation in the attic and the fact that the old shingles were left on the roof under the aluminum perhaps helped to make it almost unnoticeable.

Two days was quite a bit less than the estimated five for the installation. No complaints on this front. From signing the contract to completion was less than four weeks, which ranks as excellent service.

Neighbours have been very complimentary about the appearance, with one opining that it’s the best-looking roof in the area.

At the end of the day, my house and garage have great looking roofs which should add value when the house is sold (not anytime soon) and will not require replacement for the remainder of my ownership. Interlock personnel all performed admirably, and I am pleased with the final result.

Ottawa, ON

Roofing Promotions in Ottawa, ON.

Spring Home Protection Event

Enjoy Interest-Free Payments for 3 Months*

Save at least 99 off Interlock roofing promotion badge for winter savings event in Calgary, AB.
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*Cannot be combined with any other promotional offers or discounts. Offer valid for this promotion only. Discount cannot be applied to previous purchases. Price discounts depend on the size and location of your home. Minimum 12 Sq. purchase required for discount offered. Must purchase an Interlock Lifetime Roofing System to qualify. Available only at time of purchase. Offer not valid if contract is canceled. Offer does not apply to contract amendments. Offer expires March 31, 2026. Offer only available in Ontario, Canada.

Local Interlock Metal Roofing Company Near Ottawa

Interlock Metal Roofing (Ontario) Ltd.

2800 Argentia Rd #5, Mississauga, ON L5N 8L2 Canada
(416) 620-2174
scott@interlockmetalroofing.ca
www.interlockmetalroofing.ca
Interlock Metal Roofing (Ontario) Ltd. has been protecting homes across the Greater Toronto Area and South-Central Ontario since 1998, offering premium aluminum roofing systems built for urban and suburban lifestyles. From Oakville and Mississauga to Markham and Barrie, our roofs combine elegant design with lifetime performance—resisting corrosion, high winds, and year-round weather extremes. Trusted for quality, durability, and sustainability, Interlock roofs deliver beauty and peace of mind for homeowners seeking a long-term investment.

Top 10 Metal Roofing FAQs for Homeowners in Ottawa

Homeowners researching metal roofing in Ottawa often have several important questions before replacing their roof. Many people want to understand how metal roofing compares to traditional materials like asphalt shingles in terms of lifespan, durability, cost, and long-term value. Roofing decisions can also be influenced by local weather conditions. Homes in Ottawa may experience environmental factors such as rain, wind, snow, heat, fire, or seasonal storms that can impact roof performance over time. The following frequently asked questions help explain what homeowners should know when evaluating metal roofing and why many people choose durable roofing systems designed for long-term protection.

Metal roofs commonly last 40–70+ years; asphalt shingle roofs typically have shorter lifespans (often ~15–30 years). In Ottawa, long, cold winters with heavy snowfall and significant annual snow accumulation increase roof snow loads, and seasonal freeze–thaw cycles and temperature swings can drive ice-damming and thermal fatigue on roofing materials. Metal roofing resists moisture penetration, sheds snow and ice more readily, and tolerates thermal cycling better than asphalt, so local snow loads and freeze–thaw action often shorten asphalt lifespans while prolonging metal performance. Homeowners in Ottawa pick durable systems to reduce maintenance, avoid ice-dam repairs and extend service life under these conditions. Interlock Metal Roofing systems use heavy‑gauge aluminium and carry a lifetime limited 50‑year transferable warranty designed for long‑term protection.
In Ottawa, heavy winter snowfall and frequent freeze–thaw cycles increase roof snow loads and ice‑dam risk, so metal roofs and associated details (snow guards, ice‑and‑water shields, reinforced flashings) matter for longevity. Metal roofs typically cost more upfront than asphalt shingles. Actual quotes depend on roof size, slope and complexity, tear‑off, flashing, skylights, access and labour; local requirements for snow loads, enhanced underlayments or permits can raise material and installation costs. Many homeowners compare roofing options on lifetime value rather than initial price because durable metal systems tend to require less maintenance, reduce future repair and replacement spending, and often come with longer warranties. Interlock Metal Roofing focuses on long‑term ownership value and durability rather than competing as a low‑cost roofing option.
Ottawa’s climate—heavy annual snowfall (≈224 cm) and frequent freeze–thaw cycles—puts extra stress on roofs, increasing risk of ice dams and shingle degradation. Lifespan: metal roofs typically last 40–70+ years; asphalt shingles about 15–30 years. Maintenance: metal needs less regular upkeep (clearing debris, checking seams); shingles require more repairs and partial replacements after harsh winters. Durability: metal sheds snow and tolerates freeze–thaw cycles and wind better; asphalt is more susceptible to granule loss, curling and ice‑dam damage. Long‑term value: higher upfront cost for metal but lower lifecycle costs and better longevity; asphalt is cheaper initially but may cost more over time in repairs and replacements. Homeowners who prioritise durability and long‑term protection often choose metal. Interlock Metal Roofing appeals because its interlocking panels improve snow/ice shedding, reduce maintenance, and provide lasting performance plus architectural curb appeal.
Is a metal roof noisy in the rain in Ottawa, ON? It’s a common myth. Modern residential metal roofs installed over solid decking with proper underlayment, insulation and an attic do not sound like barn roofs; they typically produce noise levels similar to asphalt shingle or tile roofs. Sound transmission depends on insulation, attic space, roof assembly and installation quality — thicker decking, sound‑deadening underlayments and ventilation reduce rain noise. Poor installation or mounting over furring strips can increase sound. Properly installed residential metal roofs in Ottawa are comparable in sound to other roofing materials. Interlock Metal Roofing systems are installed as complete roofing systems designed for residential homes, including panels, flashings and recommended underlayments for optimal performance.
In Ottawa, a metal roof can be energy efficient because its reflective surface helps reduce solar heat gain in summer, lowering cooling loads. Overall performance depends on the full roof assembly—insulation levels, underlayments and attic ventilation all influence heat flow and winter energy use. Ottawa’s climate (hot summers, cold snowy winters) means reflectivity helps seasonally, while snow‑shedding and durability matter in winter. Homeowners researching roof replacement often weigh energy efficiency to lower utility bills, improve year‑round comfort, reduce greenhouse‑gas emissions, and enhance resale value or qualify for local incentives. When choosing materials, look at reflectance, R‑value of insulation and proper ventilation. Interlock Metal Roofing systems are designed to support long‑term home performance.
Ottawa roofs face heavy snow, freezing rain and ice storms, strong winds, occasional hail and greater year‑to‑year variability tied to climate change. Metal roofing performs well in wind and shedding snow, resists water intrusion from freeze–thaw cycles and can tolerate hail better than many asphalt shingles when using impact‑rated panels. Performance depends on system design (profile, underlayment, attachment), installer skill and the metal’s durability (gauge, coating, warranty). Homeowners weigh weather resilience to protect structure, limit leaks and damage, reduce repair and insurance costs, and extend roof life. Regular maintenance, proper ventilation and addressing ice‑damming are critical for Ottawa’s freeze–thaw and heavy‑snow climate. Interlock Metal Roofing systems are engineered for durability, hail protection and tested wind resistance, but correct design and installation remain essential.
Corrosion and rust resistance in metal roofing in Ottawa, ON depends on the metal type and coatings used. Steel, copper and aluminium behave differently: some materials corrode faster in moisture or salt exposure, while aluminium is naturally more resistant and performs especially well in wet or coastal environments. Homeowners should prioritise corrosion resistance to extend roof life, reduce maintenance, prevent leaks and protect home value in Ottawa’s freeze–thaw and wet seasons. Interlock Metal Roofing systems use aluminium construction designed for strong corrosion resistance. Interlock Metal Roofing Systems are protected by the Alunar Coating System for extra protection, adding a durable barrier against moisture and environmental contaminants. Choosing corrosion-resistant metal and coatings helps ensure long-term performance and lower lifecycle costs.
Metal roofing in Ottawa is generally low maintenance but not maintenance‑free. Periodic inspections—after severe weather and seasonally—help catch issues early. Remove debris (branches, leaves) that can trap moisture, and keep gutters clear to prevent water backup. Check flashings, seals around chimneys, vents and skylights, and fasteners or seam condition; address loose panels or damaged coatings promptly. Winter ice and freeze‑thaw cycles, hail, heavy winds and spring/summer storm debris can affect performance, so inspect after major events. Overall, metal roofs offer durable, long‑lasting protection and, with occasional upkeep, provide excellent weather resistance and low long‑term maintenance for Ottawa homes. Hire a qualified local contractor for repairs and follow manufacturer maintenance recommendations to preserve warranties.
In Ottawa, ON, a metal roof can boost home value because buyers prioritise durable, low‑maintenance roofing that reduces future repair concerns. Premium roofing materials also enhance curb appeal, making a home stand out in its streetscape. The long lifespan of metal systems—often decades—improves buyer confidence and can translate into higher resale value. That said, architectural style matters across neighbourhoods; a Mediterranean‑style roof may suit some areas, while traditional styles may be preferred in heritage districts. Interlock Metal Roofing systems offer multiple architectural profiles — slate, cedar shingle, Mediterranean tile, shake and standing seam — available in heavy‑gauge aluminium and solid copper, so you can choose a look that complements local character while delivering performance.
Yes — Interlock Metal Roofing Systems in Ottawa are compatible with solar panels when fitted with custom solar brackets supplied and installed by Interlock Metal Roofing (Ontario) Ltd. Interlock systems are solar‑compatible and engineered to accept such mounting solutions. In Ottawa’s climate, heavy winter snow loads and repeated freeze–thaw cycles influence roof performance and mounting longevity, so a durable roof and properly engineered brackets are essential. Because panels add long‑term dead load and often last 25+ years, roof lifespan matters — long‑lasting materials like Interlock metal are often preferred. When comparing roofing options in Ottawa, plan for future solar when replacing your roof to avoid premature re‑roofing and ensure compatible mounts.
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