Metal Roofing in Lee, Illinois — Lifetime Interlock® Aluminum Shingles Installed Locally

Yes — aluminum actually performs better through freeze-thaw than asphalt or wood. Lee sees about 81 freeze-thaw days per year, which causes asphalt to crack, wood to split, and concrete tile to spall. Aluminum expands and contracts uniformly without degradation. The 3105-H24 alloy used in Interlock panels (per ASTM B209) doesn't absorb water, so ice won't trap moisture inside the material. After 27 years of production, installations across Canada and mountain regions confirm aluminum roofs survive these cycles indefinitely. Your roof stays intact while neighbors replace theirs.

DeKalb County averages about 71 cm of snow annually, and metal roofs shed it more effectively than asphalt. The smooth, hard surface — especially on Slate or Cedar Shingle profiles — prevents snow from bonding the way it does to shingles, so it slides off in larger sheets. Four-way interlocking panels (ESR-1790 rated) lock together and distribute load evenly across your deck, handling the weight without stress. Optional snow guards can be installed on these profiles if you prefer controlled shedding. The key: you avoid ice dams forming along the eaves, since a metal roof doesn't trap heat the way attic-ventilated asphalt does.

Aluminum cannot rust because it contains no iron — the element that oxidizes and corrodes. Instead, when aluminum is exposed to air, a thin oxide layer forms instantly and heals itself when scratched. Under DeKalb County's typical 853 mm of annual rainfall, this self-healing oxide is your permanent protection. Add Alunar 70% PVDF fluorocarbon coating (warranted 30 years against fading per ASTM D4214) applied to both panel sides, and you have two-stage corrosion defense. Steel roofs require painting and eventually rust through; aluminum simply doesn't. After 27 years manufacturing in salt-air coastal environments and even Antarctic research stations, Interlock aluminum roofs show zero rust damage in field reports.

Your existing framing almost certainly can — that's the breakthrough of Interlock aluminum. The Mediterranean Tile profile installs at only 0.59 lb/sq ft, making it roughly 96% lighter than concrete or clay tile. Because aluminum weighs so little, no structural reinforcement is needed on most homes, and Interlock installs directly over your existing roof. Compare that to real tile, which often requires floor joists and rafters to be reinforced at tens of thousands of dollars. With Lee's typical wind gusts reaching 98 km/h, lightweight design is a bonus: less mass means less strain on connections, and less chance of uplift damage. Installation is faster and cheaper because your contractor skips foundation work entirely.

DeKalb County wind gusts average 98 km/h, and Interlock's four-way interlocking panels are warranted to resist wind speeds up to 120 mph (193 km/h) when installed per specification. The interlocking design means each panel locks mechanically to its neighbors on all four edges — wind has to lift the whole system, not peel individual shingles. Panels are fastened through the base, not the weather face, so fasteners remain sealed and hidden. UL 2218 Class 4 hail rating (the highest) also confirms impact durability that correlates with wind performance. Even during severe weather, homeowners consistently report their Interlock roofs shed wind loads that tear asphalt neighborhoods apart.

Interlock achieves UL 2218 Class 4 impact rating — the highest available — meaning it withstands hailstones up to 1.5 inches. The warranty explicitly covers perforation from hail, a level of protection asphalt cannot match. Many insurers recognize this and offer premium discounts on metal roofs; you'll want to contact your agent with the UL 2218 Class 4 specification sheet. Lee's hail risk isn't extreme compared to plains states, but when hail does strike, aluminum's uniform surface absorbs impact without delamination, cracking, or developing weak spots that leak later. Over 27 years of installations, hail claims on Interlock roofs remain rare — and covered when they occur.

Yes, if you choose an energy-efficient color. Interlock offers reflective finishes with thermal emissivity of 0.84 and initial solar reflectance up to 0.55 (like Aged Copper Penny), rated by the Cool Roof Rating Council. These colors reflect heat rather than absorbing it the way dark asphalt does. DeKalb County gets about 3087 sunshine hours per year, so summer heat gain is real. A reflective metal roof bounces that solar energy away before it enters your attic and conditioning space. The effect compounds: less radiant heat entering means your AC runs less, your utility bills drop, and in summer months the payback accelerates. It's measurable energy savings, not marketing.

Virtually none compared to asphalt or wood. With 853 mm of annual rainfall in Lee, water naturally cleans the Alunar fluorocarbon finish (30-year warranty against chalking). The aluminum won't rot, split, curl, or crack — the Guardian warranty covers all these failures for life. Asphalt requires regular inspection for deterioration, wood shake demands costly treatments, and clay tile breaks. Metal roofing over a solid deck with underlayment produces no noise during Lee's rain events (it sounds like any roof), so there's no mythology to maintain either. Annual gutter cleaning is your only real chore. The rest is hands-off while the roof performs.

The Guardian Warranty is a lifetime limited warranty on the original owner covering material defects: rusting, rotting, splitting, cracking, curling, and loss of impact resistance — things that end other roofs. It's non-prorated, meaning you never face a deductible, and it's one-time transferable to the next owner, extending 50 years from completion. No other roof warranty structure is this generous. Asphalt gets 20–30 years; wood shake needs replacement. With Interlock's 27-year manufacturing track record and real-world installations lasting 30+ years already, you're buying your last roof. When you sell, the warranty becomes an asset the buyer inherits, boosting resale appeal.

Aluminum is roughly 95% recyclable, and Interlock panels contain recycled content from industrial scrap. When your roof eventually reaches end-of-life (decades from now), the aluminum returns to a smelter and becomes new product — no landfill. Compare that to the asphalt tear-off cycle: Lee homeowners currently tear off shingles every 15–20 years and send them to the waste stream. Over 50 years, that's multiple roof removals and multiple landfill contributions. Interlock installs over your existing roof (no tear-off), then recycled when truly spent. energy-efficiency colors also mean less cooling load and lower carbon footprint during the roof's use phase. It's the environmental case for a metal roof built on real numbers, not just marketing.

Yes. Lee averages about 71 cm of snow, 853 mm of rain, roughly 81 freeze–thaw days a year, with peak wind gusts near 98 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.