Metal Roofing in Salem Lakes, Wisconsin — Lifetime Interlock® Aluminum Shingles Installed Locally

Salem Lakes Metal Roofing Experts Installing Lifetime Interlock® Aluminum Shingles Since 2001

Metal Roofing Built for Salem Lakes's Heavy Rain, Snow Loads, Windstorms & Lifetime Protection

Interlock Metal Roofing, founded May 17, 2001, is a trusted metal roofing contractor and the exclusive authorized local installer of Interlock® lifetime aluminum roofing systems serving homeowners in Salem Lakes, Wisconsin (Kenosha County). We specialize in roof replacement and re-roofing throughout Salem Lakes, delivering heavy-gauge, fire-resistant, energy-efficient cool roof solutions engineered for performance, beauty, and durability—built to shed Lake Michigan-driven snow, resist freeze–thaw cycling, withstand summer heat and UV, and endure storm-driven winds and high humidity common to Kenosha County. Choose the timeless look of slate, cedar shingles, shake, Mediterranean tile, or standing seam with the strength of metal; every roof is protected by the Alunar® Coating System and backed by a Lifetime Warranty for homes in Salem Lakes, Wisconsin.

Interlock metal roofing styles including slate, cedar, shake, tile, and standing seam in Salem Lakes, Wisconsin

Performance you can measure (all climates)

Wind- and storm-resistant Interlock® metal roof rated to 193+ km/h for Salem Lakes, Wisconsin

Weather Resistant

Tested to 193+ km/h (120 mph) winds

Interlock® aluminum metal roof in Salem Lakes, Wisconsin backed by a Lifetime-Limited, transferable warranty

Durable

Lifetime-Limited, transferable warranty

Energy-efficient cool-roof Interlock® aluminum metal roofing in Salem Lakes, Wisconsin

Energy Efficient

Reflective cool-roof lowers cooling costs

Freeze–thaw durable Interlock® metal roof for Salem Lakes, Wisconsin

Freeze–Thaw Durable

Endures ~80 freeze–thaw days a year

Rain- and moisture-proof Interlock® metal roof for Salem Lakes, Wisconsin

Rain & Moisture Proof

Repels ~835 mm of rain a year

UL 2218 Class 4 impact- and hail-resistant Interlock® metal roof in Salem Lakes, Wisconsin

Impact Resistant

UL 2218 Class 4 — top hail rating

  • Authorized Interlock® Lifetime Aluminum Roofing installer serving Salem Lakes and Kenosha County homeowners
  • Aluminum panels coated with the Alunar® Coating System — durable finish with no visible bare-aluminum surface
  • Precision weatherproof seams (profiles: slate, cedar, shake, tile) and mechanical fastening (profile: standing seam) deliver long-term leak protection during wind-driven rain events
  • Interlocking panel system tested to 120+ mph (193+ km/h) to resist severe windstorms experienced in southeast Wisconsin
  • Advanced waterproof installation reduces leak risk during spring rains and wind-driven storms common to Salem Lakes
  • High snow-shedding performance designed to limit accumulation and reduce roof snow loads during heavy Wisconsin winters
  • Designed to mitigate freeze–thaw cycles and minimize ice-dam formation on roofs subject to frequent temperature swings in Kenosha County
  • Class A fire-rated available for added protection near wooded lots and ember-prone properties in and around Salem Lakes
  • UL 2218 Class 4 impact resistance for protection from hail and falling storm debris
  • Cool-roof performance lowers attic heat gain and improves summer comfort during regional heat waves
  • Solar-compatible roofing engineered to accept bracket-mounted photovoltaic systems for Salem Lakes homes
  • Fully recyclable aluminum supports sustainable choices and reduces lifecycle environmental impact
  • Low-maintenance finish resists corrosion, fading and biological growth—minimizing moss and algae on shaded roofs in Salem Lakes
  • Architectural profiles replicate slate, cedar shake and tile, with standing seam options for local curb appeal across Kenosha County neighborhoods
  • Mechanical fastening and interlock design provide durable attachment and longer service life compared with asphalt shingles in seasonal climates
  • Backed by a Lifetime‑Limited transferable warranty to protect long-term investment and resale value for Salem Lakes homeowners

Metal roofing built for Salem Lakes's climate

Averages (10-yr): ~835 mm rain and 82 cm snow per year, ~3094 sunshine hours, mean 9.9°C, typical daily-max winds ~20 km/h with gusts to 99 km/h, and ~80 freeze–thaw days per year.

  • 82 cmavg. snow / year
  • 835 mmavg. rain / year
  • 80freeze–thaw days / year
  • 99 km/hpeak wind gusts
  • 3094 hrsannual sunshine
  • 9.9°Cmean temperature

Interlock® aluminum roofing is engineered for these conditions — wind-rated to 193+ km/h (120 mph), UL 2218 Class 4 impact-rated, Class A fire-rated, and built to shed snow and resist ice dams and freeze–thaw cracking, backed by a lifetime limited warranty.

Interlock Industries (Midwest) Inc.

Hours

  • Monday9:00 AM – 5:00 PM
  • Tuesday9:00 AM – 5:00 PM
  • Wednesday9:00 AM – 5:00 PM
  • Thursday9:00 AM – 5:00 PM
  • Friday9:00 AM – 5:00 PM
  • SaturdayClosed
  • SundayClosed

Interlock Metal Roofing Wisconsin is a trusted metal roofing contractor proudly serving homeowners and businesses throughout the State of Wisconsin. Backed by decades of manufacturing and installation expertise, Interlock has earned a reputation for exceptional craftsmanship, long-term reliability, and outstanding customer care. As a specialized installer of premium aluminum and standing seam metal roofing systems, Interlock Metal Roofing Wisconsin provides exclusive lifetime roofing products engineered to perform in Wisconsin’s demanding climate — from heavy snow loads and ice dams to hailstorms, high winds, freezing temperatures, and dramatic seasonal weather swings. Built on integrity, professionalism, and superior workmanship, Interlock Metal Roofing has completed thousands of successful roofing installations across North America, helping Wisconsin property owners invest in roofing systems that are both beautiful and built to endure. Our team is known for transparent communication, efficient project execution, and meticulous installation standards, supported by industry-leading materials and comprehensive warranty protection. Interlock’s commitment to excellence is reflected in its dedication to safety, ongoing installer training, and strong customer satisfaction throughout the region. With highly trained crews and strict adherence to best practices, we deliver durable, energy-efficient roofing solutions that enhance curb appeal, increase property value, and provide decades of dependable protection against Wisconsin’s harsh winters and severe storm conditions. Whether you need a residential metal roof replacement, a commercial roofing upgrade, or a custom architectural metal roofing system, Interlock Metal Roofing Wisconsin is the trusted choice for premium lifetime metal roofing — combining proven expertise, exclusive products, and service you can count on.

Recognition GuildQuality Guildmaster Award — verified customer satisfaction (GuildQuality)

Accredited BBB Accredited A

Part of the Interlock® certified installer network →

Get a Free Metal Roof Estimate in Salem Lakes, Wisconsin

Interlock® Aluminum Roofing — all-climates performance specs for Salem Lakes, Wisconsin

Spec / RatingClimate / Risk Factor + What It Solves
Wind resistance: 120+ mph (193+ kph)Extreme wind, hurricanes, storm uplift: full interlocking attachment helps prevent blow-offs, edge lifting, and panel loss in high-gust events.
Fire rating: Class A (with proper assembly)Wildfire, embers, radiant heat, chimney sparks: non-combustible roof assembly provides the highest residential fire protection rating.
Hail resistance: UL 2218 Class 4Hail and impact debris: highest impact classification; resists cracking, splitting, and surface loss common with asphalt under hail strikes.
Snow & ice performance: interlocking, shedding profileHeavy snow, freeze-thaw, ice dams: smooth aluminum sheds snow efficiently and the interlocking design helps block water intrusion when melt-refreeze cycles occur. (Final snow-load capacity depends on roof structure and local code.)
Corrosion resistance: aluminum (won’t rust)Salt air, coastal humidity, wet climates: aluminum naturally resists rust and corrosion, reducing long-term failure risk in marine or high-moisture environments.
Heat / UV durability: baked-on coating systemHigh heat, intense sun, thermal cycling: coatings resist UV breakdown and temperature-swing fatigue, slowing fading and surface degradation.
Moss / algae resistance: smooth coated surfaceWet shade, organic growth: low-porosity metal surface gives moss/algae less to grip, reducing staining and maintenance.
Material: heavy-gauge aluminum roof profiles (Slate / Shake / Shingle / Tile / Standing Seam)All-season structural stability: lightweight, dent-resistant metal system stays stable through large hot-cold swings and severe weather.
Expected lifespan: 50+ yearsLong-term durability across climates: avoids re-roof cycles typical of shorter-life materials, even in high-stress environments.
Warranty: Lifetime-Limited, non-prorated + 50-year transferableLifetime protection + resale value: guarantees long-term material confidence and transfers to future owners.

Available Profiles in Salem Lakes, Wisconsin:

Explore all Interlock® metal roofing systems, or see the Guardian lifetime warranty and independent testing reports.

Completed Interlock® metal roofs near Salem Lakes, WI

Every marker is a real, anonymized Interlock® aluminum roof completed by a Certified Interlock Installer. Explore verified Interlock® installations near Salem Lakes, Wisconsin, United States on the interactive project map and photo grid — filter by roof profile (Slate, Cedar Shingle, Shake, Mediterranean Tile, Standing Seam, Solid Copper), colour and year of completion.

4.7 / 5 — from 164 verified customer reviews in Wisconsin

What our customers are saying:

★★★★★
Review: July 20, 2016Completion: June 9, 2016

Hello Greg, I just had to drop you a line to tell you how pleased we are with the Interlock Roofing System that was installed last week. I have to admit that as good as I was hoping it would look, it turned out to be so much better than I had even hoped. We couldn’t be prouder of how our house looks now; the new roof is visually stunning. We can now breathe a huge sigh of relief, knowing that we’ll never again have to go out into the yard and pick up the pieces of asphalt shingles that would blow off of the roof after a storm or a high wind day. To boot, the very day after the roof was completed, we had someone who identified himself only as “your nosy neighbor from 10 miles down the road,” who stopped, knocked on our door and started asking questions about the roof. He was shocked to hear that it was a metal roof. He thought that we had installed a slate roof! He was very interested to hear all the facts about the roof, and suddenly I became Interlock Roofing’s most avid salesman. I brought out your business card so that he could take a picture of it with his cell phone, and he said he’d be contacting you soon. I’ve also been talking about the roof with some of the guys at work who had seen the before and after pictures that I brought in, and I’m sure that you will be hearing from some of them in the future too. Now, as much as I couldn’t be happier with contacting you and doing business with you, I have to tell you that even you will have to take a back seat to the super awesome job of your installers, Jesse and his team. To say we were blown away by these guys would be the understatement of the century. They came in like a whirlwind and started doing their thing and made astounding progress in such a short period of time, it blew us away. Jesse himself is such a great face to have attached to your company. He is professional, knowledgeable, and so personable that we knew in an instant that we were in good hands with him and his team. All of his team members were that way, and honestly, the hardest working group of guys that you will ever witness. We expected it to take anywhere from 5 days to a week to get our whole roof done. These guys had it done in 2 days and a couple of hours, and they left no stone unturned in doing the A-1 job that was promised. They even fixed a couple of cosmetic items on our existing siding to boot! What a great bunch of guys. And let me reiterate one more time,…Interlock, as a company, should feel confident and proud to have Jesse and his team representing them. I’m positive you will never find a better team to install your product than them. Again, thank you for the product and the work that you’ve done. You now have not only a very satisfied customer in us, but you also have a couple of very enthusiastic ambassadors for Interlock Roofing Systems.

★★★★★
Review: June 17, 2017Completion: February 17, 2017

I have made, and continuously still make, numerous recommendations to family & friends to install a Interlock roof. And, I have produced pictures on demand that I stored on my smart phone. If possible, I would be appreciative if I could get the drone footage that Jesse had taken after the finishing of the installation. I believe it would be a great selling point coming from a true customer to help propel the Interlock name. There are just a couple areas on the roof that the installation crew could have touched-on during the installation, but overall the roof looks simply amazing. Quality certainly displays the professionalism the installers had put into their work. Since the installation of our new roof, we have received numerous compliments from many of our neighbors that walk around our subdivision, plus a handful of neighbors in the adjoining subdivisions. Many questions have been asked with many answers given. We are definitely happy with our new Interlock roof. We have NOT once questioned or second guessed our decision to install an Interlock roof. It is one of the best decisions we have ever made for re-investing in our home...Thank you, Interlock!

★★★★★
Review: June 8, 2008Completion: November 30, 2007

I never really thought I could be thrilled about a roof, but I have to tell you; our new Interlock roof is beautiful! It adds true elegance to our home. We know it adds value as well, and the fact that we will never need to re-roof again is a definite advantage. Everyone within our organization, from the initial phone contact to the installation crew, was courteous and pleasant to work with. The install went smoothly and the crew kept the site clean from beginning to end. Everybody we have shown our Interlock roof to has seemed quite impressed also. We would (and in fact have already done so) recommend Interlock Roofing to others.

★★★★★
Review: July 20, 2016Completion: November 13, 2008

Excellent roof! Looks good! The installers were courteous and professional. Put the tarp all around the house and kept the site very clean. I was impressed with their super service. They bent over backward to please us. The A-Team of Roofing! When it rains, it is NOT any louder, and we are in a wind zone, and shingles have not blown off, and we have had the roof since 2008. The snow slides off, too! And the salesman knows his product and explains it well. It will add value to the house. Unlike asphalt, that's like tar and paper, and doesn't hold up. The Interlock Lifetime Roof is super durable!d Greg Weber the salesman, knows his product and explains it well. It will add value to the house. Unlike asphalt, that’s like tar and paper and doesn’t hold up. The Interlock Lifetime Roof is super durable!

★★★★★
Review: May 17, 2017Completion: August 10, 2009

We purchased our roof in 2009 and as you can see from the pictures taken in May of 2017, our roof looks as new as the day we bought it. Here are the things we have noticed most about our Interlock Lifetime Roof over the last 8 years. It keeps our house much cooler in the summer than the asphalt roof we used to have. It really sheds snow, and the snow guards work great. We never need to use a snow rake. We love the durability and the curb appeal. Greg Weber our representative, who we were enthused to learn, is still with the company. When we saw him in 2009 he laid out all the variables in a professional way and our Interlock Roof has lived up to all of our expectations and promises he made. All companies promise results, service, and quality. Interlock delivers.

★★★★★
Review: May 16, 2017Completion: July 31, 2008

The installation was super smooth. Every installer was courteous and professional. We get lots of compliments, and people stop by all the time to admire it. One of the biggest misconceptions about metal roofing is people think it’s loud. Our Interlock roof is very silent. The only way I know if it’s raining is if I look out a window. Also, the snow just slides off. We are also in a wind tunnel area, and we have never lost an Interlock shingle, and we have had the roof for many years. We were so pleased with our Interlock roof that we put the same roof on our lake home in northern Wisconsin. We get a lot more snow up there and the Interlock’s snow-shedding performance capabilities are second to none on that roof, too!

★★★★★
Review: April 10, 2017Completion: March 17, 2015

I love the roof! It looks great, and the squirrels that we’re crawling all over my old asphalt roof slide right off it. The snow slides off, too. I hope to get some $500 referrals. The crew was terrific, hardworking, courteous, polite, and clean.

★★★★★
Review: April 23, 2009Completion: May 5, 2008

Drip, drip, drip. This is not a sound you want to hear at 3:30 am… in bed… coming from your attic… in the dead of winter. A quick peek in the attic confirmed my worst fears, the ice dam on the roof was allowing melted water to seep through the crappy asphalt shingles and into the house. We called a local contractor and had the ice dam removed, but this didn’t fix the underlying problem that our current roof was cheap and damaged. My wife and I moved into a beautiful three-story brick Tudor on Madison’s near west side in the fall of 06′. It was perfect in that it had been beautifully remodeled with gorgeous woodwork, marble, and stunning attention to detail, with the exception of the roof. We had decided that, barring any unforeseen circumstances, this was the house we were going to stay in until retirement, so why not invest in a metal roof. After a couple of weeks of research and interviewing, we settled on Interlock. Part of the choice was made on the quality of the product, and part was made on the salesmanship of the rep, Chuck. Work started and except for some problems with the weather, things progressed smoothly. We were especially impressed with the steps the crew took in regard to safety, and our stay-at-home neighbor told us about how exciting the crew was, “you’re definitely getting your money's worth,” was her exact quote. At the end of the job, the crew even emptied all the trash we had pulled out of the attic for us. Now that’s service! After everything is said and done, we’ve been able to cap off our gorgeous house with an equally gorgeous roof.

★★★★★
Review: April 16, 2026Completion: February 20, 2009

I had Interlock put on a beautiful red slate roof 17 years ago.The roof still looks beautiful. 5 years ago, I had them also re-roof my garage with the same type of slate. The roofs look gorgeous and I have no maintenance whatsoever.I get complements all the time. The guy whom I contracted with was named "Tim' but has since died. He was a really nice guy. Back in 2009, the roof was much cheaper. ( I actually paid more for the garage 5 years ago!) I am extremely happy with the roofs. The guys did a wonderful job, replacing rotted boards where necessary. They also told me about very cheap gutters I could buy at Menards instead of those ridiculously - priced "special" gutter systems. I bought them and they placed them on my buildings.This home will go to my daughter one day; I do not want her to have to lift a finger. Note that I had an asphalt roof previously. It lasted only 12 years. The shingles curled up under the sun and cracked. They looked terrible. I can honestly say that these metals roofs by Interlock are very much worth what you pay for them. They will last a lifetime with almost no maintenance. Instead of replacing a roof every 15 years and paying lots for asphalt or fiberglass, their metal roofs last very long and you will never have to re- roof again.

★★★★★
Review: May 16, 2017Completion: September 24, 2014

Dear Interlock Lifetime Roofing Systems: We purchased our Interlock Lifetime Roof in June 2014. We are very happy with the look, durability of the material, and finish. After a snowfall, the heat of the sun will warm the roof and allow the snow to shed from the roof. We have a great sense of security, knowing it can withstand higher winds than conventional asphalt. In fact, our neighbors lost many shingles in the last major wind storm, and our Interlock roof proved to be the high wind resistance product it is with all shingles intact. We love the fact it’s more reliable and has peace of mind knowing it has lots of longevity and will look brand new not only now but down the road. We also received a discount on our homeowner’s insurance. Overall, we were very satisfied with our sales representative Greg Weber, the company, the service, and the product.

★★★★★
Review: May 10, 2017Completion: March 20, 2017

In March 2017 we had an Interlock Lifetime Roof installed. Greg Weber, the salesman, was not pushy. We were very impressed with his salesmanship and the product. He also offered to have the Interlock product put on our wishing well in the front yard. That was something we really appreciated. The clean-up was excellent! Many neighbors and people who " data-wpil-keyword-link="linked">walk by the house have noticed the roof and asked a lot of questions. We have gotten lots of compliments!

★★★★★
Review: April 10, 2017Completion: February 23, 2017

The Interlock crew was able to take some extra time to coordinate with another contractor for solar installation. As a result, the final the result looks great and very functional. The materials used are very high quality, and they worked efficiently and cleaned up when finished.

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Nearby service areas in Kenosha County

Interlock® metal roofing is also installed in these communities near Salem Lakes:

Interlock Industries (Midwest) Inc. also services nearby States

Beyond Salem Lakes, our team installs Interlock® metal roofing across:

Metal Roofing FAQs for Homeowners in Salem Lakes

The following metal roofing FAQs are designed specifically for homeowners in Salem Lakes, Wisconsin. Whether you are building a new home or replacing an existing roof, understanding how roofing materials perform in local weather conditions is essential. From wind and storm protection to fire resistance, hail impact, snow loads, and coastal moisture exposure, Interlock’s Lifetime Aluminum Roofing System is engineered to provide long-term durability, energy efficiency, and peace of mind in Salem Lakes.

Will a metal roof handle Wisconsin's freeze-thaw cycles?

Yes—aluminum's oxide layer self-heals when scratched, so it won't degrade from Salem Lakes' approximately 80 freeze-thaw days per year. Unlike asphalt, which becomes brittle in freeze cycles and cracks as it thaws, aluminum flexes without permanent damage. The Alunar 70% PVDF coating is warranted 30 years against chalking and fading, even through repeated temperature swings. Asphalt typically fails in 15–20 years under the same stress.

How does metal roofing perform with Salem Lakes' snow load?

Metal panels are extraordinarily light—the Slate profile installs at just 0.41 lb/sq ft—so they handle your region's average 82 cm of annual snow without requiring structural reinforcement. The four-way interlocking design sheds snow evenly and resists ice damming better than asphalt because metal conducts and releases heat more efficiently across the entire roof surface. Snow guards are optional and install easily if you prefer controlled snow release near walkways.

Can metal roofing survive Kenosha County wind gusts?

The warranty covers wind speeds up to 120 mph when installed to specification. Salem Lakes experiences typical gusts around 99 km/h (61 mph), well within safe operating range. The four-way interlocking aluminum panels lock together so tightly that individual sections cannot lift independently during storms. This design, combined with ESR-1790 code compliance, gives you protection that exceeds what most asphalt or tile roofs can handle in the region.

Does metal roofing rust in Wisconsin?

No. Aluminum contains no iron and cannot rust. When scratched, the aluminum oxide layer self-heals automatically—a property steel roofing lacks entirely. The Alunar 70% PVDF fluorocarbon coating is applied to both sides of every panel, doubling protection in Kenosha County's wet climate (approximately 835 mm of rain annually). This dual-side finish was originally developed for coastal salt-air homes and has been proven since 1998 at an Antarctic research station, making it overqualified for Wisconsin weather.

What protection does metal roofing offer against hail in Wisconsin?

Interlock Metal Roofing carries a UL 2218 Class 4 impact rating—the highest available—and the Guardian Warranty covers perforation from hailstones up to 1.5 inches. This rating often qualifies homeowners for insurance discounts that offset the roof's cost over time. Asphalt and wood shake roofs typically achieve only Class 1 or 2 ratings, requiring replacement after even moderate hail events. Your insurer may credit the superior impact resistance, reducing premiums for the life of the roof.

Will a metal roof lower cooling costs in summer?

energy-efficient colors reflect heat rather than absorb it, with initial solar reflectance up to 0.55 and thermal emissivity of 0.84—Cool Roof Rating Council verified. During Salem Lakes' approximately 3094 annual sunshine hours, this means less heat enters your attic compared to asphalt. The reflective coating works year-round: in summer it reduces air conditioning load; in winter it doesn't prevent heat retention because aluminum conducts uniformly. Energy savings typically offset 15–25% of cooling costs over the first decade.

How much upkeep does a metal roof need compared to asphalt?

Metal requires almost no routine maintenance. Asphalt shingles need inspection after every storm, algae treatment every 3–5 years, and gutter cleaning of granule debris. Metal roofs shed debris automatically and do not degrade from weather exposure. The Alunar 70% PVDF coating is warranted 30 years against fading—no resealing or recoating. CALGreen verification confirms reduced maintenance burden. Your only task: inspect gutters and clear leaves, the same as with any roof.

Can metal roofing install over my existing asphalt roof?

Yes, in most cases. The Slate profile weighs just 0.41 lb/sq ft, and the Tile profile is approximately 96% lighter than concrete or clay tile, so no structural reinforcement is needed. Installation over existing asphalt is possible when the deck is sound. Your local installer, Interlock Metal Roofing, has served the region since 2001 and evaluates each home's structure before recommending removal or overlay. This approach saves labor costs and eliminates the asphalt tear-off-to-landfill waste cycle.

Is metal roofing worth the upfront cost versus asphalt?

Metal costs more initially but is the last roof you'll buy. Asphalt requires replacement every 15–20 years; metal carries a lifetime limited, non-prorated material warranty for the original owner—one-time transferable to the next owner for 50 years from completion. Over 50 years, you'll replace asphalt 2–3 times while maintaining one metal roof. Factor in avoided maintenance (no algae treatment, no granule cleanup), potential insurance discounts (UL 2218 Class 4 hail rating), and energy savings across 3094 annual sunshine hours, and the total cost of ownership favors metal substantially.

What does the lifetime warranty on metal roofing actually cover?

The Guardian Warranty covers the original owner for life and is non-prorated—meaning a claim at year 40 receives full replacement value, not a depreciated amount. Coverage includes rusting, rotting, splitting, cracking, curling, and loss of impact resistance. The next owner receives 50 years of protection from completion. This structure reflects aluminum's actual durability: no rust is possible, and the Alunar 70% PVDF coating is warranted 30 years, giving genuine assurance that the roof will outlast most mortgages.

Is a metal roof a good choice for Salem Lakes’s climate?

Yes. Salem Lakes averages about 82 cm of snow, 835 mm of rain, roughly 80 freeze–thaw days a year, with peak wind gusts near 99 km/h. Interlock® aluminum roofing is wind-rated to 193+ km/h (120 mph), UL 2218 Class 4 impact-rated and Class A fire-rated, and its four-way interlocking panels shed snow and resist ice dams and freeze–thaw cracking — all backed by a lifetime limited, transferable warranty.

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