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

Yes. Aluminum expands and contracts with temperature swings, but it returns to its original dimensions—it doesn't crack, split, or curl the way asphalt or wood does over Butler's roughly 79 freeze-thaw days per year. The 3105-H24 aluminum alloy used in Interlock panels is engineered for thermal cycling; the four-way interlocking design accommodates movement without stressing fasteners. After 26 years of installations across Canada's harshest winters, the material has proven its resilience in climates far colder than Waukesha County.

Aluminum cannot rust because it contains no iron. Instead, it forms a self-healing oxide layer when exposed to air—a natural barrier that actually strengthens over time. Even when scratched, this layer reforms within hours. Interlock's roofing-grade 3105-H24 and 3003-H24 aluminum alloy (ASTM B209) is paired with a Alunar® 70% PVDF fluorocarbon finish applied to both sides of every panel, extending protection for 30 years against chalking and fading. With Butler averaging 822 mm of annual rainfall and moisture-heavy freeze-thaw cycles, aluminum's immunity to rust offers a structural advantage steel roofing simply cannot match.

Metal roofs shed snow and ice effectively because their smooth, interlocking surface prevents moisture from pooling and refreezing. Butler receives about 88 cm of snow annually; the lightweight Interlock panels (Cedar Shingle at 0.41 lb/sq ft, Shake at 0.58) distribute that load more evenly than heavy slate or tile, reducing structural stress. Proper installation includes optional snow guards if needed. The continuous deck and underlayment prevent ice dams by maintaining consistent roof temperature. Unlike asphalt, which deteriorates under repeated thaw-freeze cycles, aluminum's tensile properties keep it sound through all 79 annual freeze-thaw days.

No. The Mediterranean Tile profile, which visually replicates the heaviest traditional material, weighs just 0.59 lb/sq ft—about 96% lighter than concrete or clay tile. Your home's framing was built to carry asphalt shingles; it easily supports Interlock aluminum panels, often allowing installation directly over your existing roof. This matters in Wisconsin because it eliminates costly structural work, reduces labor time, and minimizes disruption during what Butler's ~3,128 annual sunshine hours could otherwise be prime outdoor seasons. The ICC-ES evaluation (ESR-1790) confirms suitability for most residential framing.

Yes. Interlock panels are warranted to resist wind speeds up to 120 mph (193 km/h) when installed to specification. Butler's typical gusts reach about 96 km/h, meaning the warranty covers more than double your region's recorded wind speeds. The four-way interlocking system—where each panel locks to its neighbors on all four edges—distributes wind pressure across the entire roof plane rather than concentrating stress on individual fastener points. This is why the UL 2218 Class 4 hail rating and wind warranty remain valid even during the intense spring and fall storm systems common to Waukesha County.

Interlock panels carry a UL 2218 Class 4 impact rating—the highest available—and the Guardian Warranty even covers perforation from hailstones up to 1.5 inches. Because aluminum's dent resistance is exceptional compared to asphalt, and impact performance doesn't degrade over time, many insurers recognize metal roofs as a lower-claims category. Check with your agent; in regions with frequent hail events, the UL 2218 Class 4 certification often translates to premium reductions that partially offset the initial investment. For Butler homeowners, this rated durability provides both peace of mind and potential financial benefit during severe weather seasons.

energy-efficient Interlock colors reflect heat rather than absorb it, with initial solar reflectance up to 0.55 and thermal emissivity of 0.84—meaning they cool your home in summer while minimizing nighttime heat loss in winter. Over Butler's 3,128 annual sunshine hours, this reflectivity reduces the cooling load on air conditioning systems. Cool Roof Rating Council certification confirms measurable energy performance. The benefit compounds over a 50-year lifespan; even in Wisconsin's moderate summer climate, the combination of light color and high reflectance creates enough efficiency gain to offset a portion of installation cost through utility savings.

Virtually none compared to asphalt or wood. You don't seal, re-coat, or replace missing shingles. Debris washes off naturally during Butler's 822 mm of annual rainfall; gutters should be kept clear, as with any roof. The aluminum never rots, splits, or curls—problems that consume maintenance budgets for traditional materials through 79 annual freeze-thaw cycles. The Alunar® 70% PVDF finish is warranted against chalking and fading for 30 years, eliminating repainting costs. The CALGreen-verified status recognizes this durability as reduced maintenance—the roof's quiet operation means no loud pinging in rain, so you'll forget it's there.

The Guardian Warranty is a lifetime limited, non-prorated material warranty for the original owner—covering rusting, rotting, splitting, cracking, curling, and loss of impact resistance. It's also one-time transferable to the next owner, who receives 50 years of coverage from the completion date. This hybrid structure reflects the product's two-part durability: the aluminum itself will outlast any residential roof by decades, and the coating is separately warranted for 30 years against fading and chalking. Few roofing products offer this level of certainty across multiple generations of ownership, making it genuinely the last roof most homes will require.

Interlock Metal Roofing has served the region since 2001, bringing over two decades of local expertise to Waukesha County. The company manufactures in Delta, BC, and has installed roofs from coastal salt-air environments to Antarctica—meaning your installation benefits from experience with every climate condition Wisconsin throws at it. Local service ensures proper installation to the ICC-ES ESR-1790 specification, timely warranty support, and knowledge of Butler's building codes and weather patterns. Contact them directly for a consultation and site assessment.

Yes. Butler averages about 88 cm of snow, 822 mm of rain, roughly 79 freeze–thaw days a year, with peak wind gusts near 96 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.