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

Interlock's four-way interlocking panels shed snow and ice effectively because the smooth aluminum surface doesn't hold moisture the way asphalt does — critical when you're dealing with about 105 cm of snow and 84 freeze-thaw cycles each year. The panels are warranted to resist wind gusts up to 120 mph, so snow load and shifting ice won't compromise the seal. Pair that with optional snow guards, and you've got predictable snow management without the ice-dam problems that weaken traditional roofs through repeated freeze-thaw damage. The aluminum won't degrade under those cycles either — it's the roof itself, not the weather, that determines how long you stay dry.

Asphalt absorbs moisture; when Newburg's 84 annual freeze-thaw days arrive, that water expands and contracts inside the shingle, cracking and curling it from the inside out. Aluminum doesn't absorb water — it can't hold moisture in the material itself. The Alunar 70% PVDF fluorocarbon coating is applied to both sides of the panel and warranted 30 years against degradation, meaning even the finish resists the stress that freeze-thaw inflicts on organic materials. After 20 or 30 years, asphalt shingles are brittle and failing; your Interlock roof is still performing because the material and coating simply don't break down under repeated temperature swings.

Steel rusts because iron oxidizes; aluminum oxidizes into a protective layer that actually heals itself when scratched — it can't rust. Interlock roofing is roofing-grade 3105-H24 and 3003-H24 aluminum alloy (ASTM B209), with no iron content whatsoever. In Newburg's 726 mm of annual rainfall, this matters: the aluminum panel will never corrode into a leak the way steel does, and the Alunar coating on both sides adds a 30-year warranty against chalking and fading. Whether you see the panel wet for a week straight or salt spray, the material itself is chemically inert — it's the last roof that won't fail due to corrosion.

Newburg sees typical gusts around 101 km/h, and Interlock panels are warranted to resist winds up to 120 mph — 193 km/h. The four-way interlocking design locks each panel to its neighbors, so wind pressure can't lift or separate them the way it peels back asphalt shingles. This interlocking system, combined with proper installation, means your roof stays put during the severe weather swings that come with about 3,113 sunshine hours and variable conditions year-round. The warranty covers wind damage to the locking system itself, so you're not betting on fasteners or overlaps — the panels are physically locked together.

No structural reinforcement is needed because Interlock panels are extraordinarily light. The Mediterranean Tile profile, for example, installs at about 0.59 lb/sq ft — roughly 96% lighter than concrete or clay tile — and even the Shake profile weighs only about 0.58 lb/sq ft. Most existing roofs can support the Interlock system without modification, which is why it installs directly over asphalt shingles in many cases. Your home already carries its own weight plus snow load; adding a metal roof that weighs less than the saturated asphalt underneath is often a net gain in structural safety, especially when you're shedding the water faster.

Interlock achieves UL 2218 Class 4 impact rating — the highest available — and the Guardian Warranty covers perforation from hailstones up to 1.5 inches. That's a durable roof that doesn't fail under the hail events other materials surrender to. Many insurers recognize this and offer discounts on metal roofing with a Class 4 rating because claims are rarer. You'll want to contact your agent with the product specs, but the combination of non-combustible aluminum (Class A fire rating available), wind resistance to 120 mph, and impact durability often translates into lower premiums — sometimes enough to offset roofing costs over the first decade.

Metal roofing costs more upfront than asphalt shingles, but you're buying your last roof, not renting temporary protection. Asphalt shingles fail in 15–20 years, especially under Newburg's 105 cm of snow and 84 freeze-thaw cycles annually; you'll tear off and landfill old shingles multiple times over a 50-year period. Interlock's lifetime limited warranty on materials, plus a 50-year term if you transfer ownership, eliminates those replacement cycles. Factor in energy savings from energy-efficient colors, no maintenance, and no insurance claims from hail or wind, and metal roofing breaks even faster than the initial price suggests — then runs free for decades.

Yes — energy-efficient Interlock colors have thermal emissivity of 0.84 and solar reflectance up to 0.55, meaning they bounce heat away instead of absorbing it like asphalt does. Wisconsin's 3,113 annual sunshine hours add up; every hour of reflection is a load your cooling system doesn't have to handle. In summer, a reflective roof stays 30–50°F cooler than dark asphalt, reducing the temperature differential your air conditioner has to overcome. Even in a northern climate, the payoff compounds — cooler attic means cooler living spaces, lower energy bills, and longer HVAC life. The Guardian Warranty backs the coating's 30-year reflectance performance, so the efficiency doesn't fade.

Virtually none compared to asphalt, wood, or tile. Aluminum doesn't rot, split, or curl; the Alunar coating doesn't require resealing or repainting (30-year warranty against fading and chalking). You won't be replacing missing shingles after storms, climbing gutters to clear moss, or paying for professional treatments. Occasional gutter cleaning and inspecting flashing after major weather is routine for any roof. Because the panels are non-combustible and the interlocking design keeps debris from lodging, there's no fire risk from buildup. The ICC-ES evaluation ESR-1790 certifies reduced maintenance as a building benefit — this roof doesn't demand labor or money to stay sound.

Interlock Metal Roofing has been serving the Washington County region since 2001 — over two decades of local experience installing Slate, Cedar Shingle, Shake, Mediterranean Tile, and Standing Seam profiles. That's two decades of knowing how Newburg's climate — 726 mm of rain, 105 cm of snow, 84 freeze-thaw days, and 101 km/h wind gusts — affects roof performance and installation requirements. A local installer knows the terrain, permits, and weather windows, and they're here for warranty service if ever needed. You're not dealing with out-of-state crews; you're working with people who've weathered Wisconsin winters and installed hundreds of Interlock roofs in conditions exactly like yours.

Yes. Newburg averages about 105 cm of snow, 726 mm of rain, roughly 84 freeze–thaw days a year, with peak wind gusts near 101 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.