Metal Roofing in Lexington, Minnesota — Lifetime Interlock® Aluminum Shingles Installed Locally

Aluminum's smooth, slippery surface naturally sheds snow faster than asphalt, and the interlocking four-way panel design prevents ice dams from forming along seams. Lexington experiences about 94 cm of snow annually and roughly 81 freeze-thaw days per year—conditions that crack and curl asphalt shingles over time. Interlock's 3105-H24 aluminum alloy won't split or curl; it expands and contracts uniformly, so repeated freezing and thawing actually strengthen the interlocked seams rather than weaken them. With optional snow guards, you control snow discharge safely.

Aluminum contains no iron—the element that corrodes into rust—so rust is physically impossible on an Interlock roof. Instead, aluminum develops a paper-thin oxide layer that actually protects the metal underneath; if scratched, this layer self-heals in air. The Alunar 70% PVDF fluorocarbon coating (applied to both sides) adds 30 years of warranty protection against fading and chalking, making it doubly resistant in Lexington's 843 mm of annual rainfall. Steel roofs require constant vigilance; aluminum roofs never do.

No; freeze-thaw cycles actually have minimal impact on aluminum because the metal moves uniformly with temperature changes and doesn't absorb water the way wood or asphalt does. With approximately 81 freeze-thaw days per year in Lexington, asphalt shingles absorb moisture, crack, and split—but aluminum's non-porous surface never holds water. The interlocking panel system allows controlled expansion without stressing seams. Your roof's durability depends on proper installation over a solid deck, which Interlock has perfected since 2001 across Minnesota's harshest winters.

Yes. Interlock's four-way interlocking aluminum panels are warranted to resist sustained winds up to 120 mph, and Lexington's typical gusts reach about 95 km/h (59 mph)—well within that margin. The interlocking geometry distributes wind load across multiple panels rather than relying on fasteners alone, so your roof becomes stronger in high wind. The panels lock mechanically in four directions, preventing lift and flutter. If severe weather occurs, you're covered: the Guardian Warranty includes wind damage protection when installed to specification.

Interlock carries UL 2218 Class 4 impact rating—the highest available—and the warranty covers perforation from hailstones up to 1.5 inches. This non-combustible aluminum construction often qualifies homeowners for insurance discounts because claims are far rarer than with asphalt. Over Lexington's 10-year climate normal (843 mm rain, 94 cm snow), metal roofs accumulate minimal weather damage compared to shingles that lose granules and split. Contact your insurer for specific rate information, but the combination of impact resistance and longevity typically improves your insurance profile.

Almost certainly not. The Interlock Tile profile—which replicates the look of heavy concrete or clay tile—weighs only about 0.59 lb/sq ft, making it roughly 96% lighter than the real material. Even the weightier Shake profile installs at just 0.58 lb/sq ft. Because aluminum is so light, you can install it over most existing asphalt roofs without reinforcement, saving thousands in structural work. The ICC-ES evaluation (ESR-1790, reissued 2025) confirms installation feasibility on standard residential framing, so a roofer can assess your home without expecting hidden costs.

energy-efficient colors reflect rather than absorb solar heat; Aged Copper Penny achieves initial solar reflectance up to 0.55 and thermal emissivity of 0.84, meaning less heat enters your attic and air conditioning runs less. Lexington receives about 3110 hours of sunshine annually, so summer heat rejection is meaningful. Cool roofs address the asphalt problem: dark shingles absorb heat and radiate it into your home. The reflective finish on Interlock panels works year-round to moderate interior temperature swings. Over a roof's life, this reduces energy waste, particularly during warm months.

Interlock's Guardian Warranty provides a non-prorated, lifetime limited material warranty to the original owner—covering rust, rot, splitting, cracking, curling, and loss of impact resistance. The warranty is also one-time transferable, providing the second owner 50 years of coverage from completion. No expiration date for the first owner means you keep the same roof for life, and resale adds value because the next buyer inherits substantial protection. This stands apart from asphalt's 15-25 year lifespan and typical prorated warranties that shrink with time.

Interlock aluminum requires virtually no maintenance. Unlike asphalt shingles (which lose granules, crack, and need frequent inspection), cedar shake (which splits, rots, and needs staining), or clay tile (which breaks), aluminum is inert—it doesn't degrade from weather. Annual inspection for debris is sensible; occasional rinsing removes dirt. The Alunar 70% PVDF finish keeps the coating intact for 30 years without refinishing. In Lexington's 843 mm annual rainfall, asphalt roofs develop moss and algae; metal doesn't. Over a 50-year span, you'll spend a fraction of what competitors' materials demand in repairs and upkeep.

Interlock Metal Roofing has served the region since 2001, bringing over two decades of Minnesota-specific experience to Anoka County and surrounding areas. The local team understands how to install and maintain roofs through Lexington's 81 annual freeze-thaw cycles and 95 km/h wind gusts. They're familiar with the four-way interlocking panel system, proper deck preparation, and how to integrate snow guards or ice-melt systems for local conditions. Contact the local installer for a site assessment, warranty details, and a timeline tailored to your home's needs.

Yes. Lexington averages about 94 cm of snow, 843 mm of rain, roughly 81 freeze–thaw days a year, with peak wind gusts near 95 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.