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

Yes—aluminum's smooth, interlocking surface sheds snow and ice far better than asphalt. Kelley averages about 101 cm of snow annually across roughly 77 freeze-thaw days per year, a cycle that causes asphalt to crack and curl. Interlock's four-way interlocking aluminum panels resist ice dam formation because they conduct and release heat evenly, and the light weight (Slate at 0.41 lb/sq ft) means no structural strain even under peak snow load. You can add snow guards to any profile if extra retention is desired for roof-rake safety.

Freeze-thaw damage happens when water enters a material, expands when frozen, and cracks it from inside. Aluminum cannot absorb water and has no pores to trap it. Kelley experiences about 77 freeze-thaw days yearly with mean temperatures around 6°C—perfect conditions for asphalt splitting and wood shake rot. Interlock's 3105-H24 aluminum alloy is dimensionally stable across this entire cycle, and its Alunar 70% PVDF coating (warranted 30 years against chalking and fading) adds an extra barrier. The result: no seasonal expansion or contraction damage.

Interlock's four-way interlocking panels are warranted to resist wind speeds up to 120 mph when installed to specification. Kelley's typical daily-max winds average about 19 km/h (12 mph) with gusts recorded to about 103 km/h (64 mph)—well within that margin. The interlocking design means each panel locks to its neighbors on all four sides; wind must lift the entire roof system, not individual shingles. The ICC-ES evaluation report ESR-1790 confirms code compliance for both IBC and IRC standards, so your installation meets Minnesota building codes for wind resistance.

No—Interlock carries a UL 2218 Class 4 impact rating, the highest hail classification available. The warranty even covers perforation from hailstones up to 1.5 inches. Many insurers recognize this rating and offer premium discounts (check with your agent for specifics). Kelley's freeze-thaw pattern and spring-summer storms mean hail risk is real, but aluminum's resilience and documented impact resistance often qualify you for better rates than asphalt, which dents easily and requires replacement after severe hail. Class 4 aluminum typically cost less to insure over a 30-year horizon.

Yes—reinforcement is never needed. Interlock's Mediterranean Tile profile weighs only about 0.59 lb/sq ft, making it roughly 96% lighter than genuine concrete or clay tile. This means you can install it directly over an existing asphalt roof in most cases, saving the cost and debris of tear-off. Your home's frame is already engineered for asphalt's weight; aluminum Tile is negligible by comparison. If you live in an older Kelley home with a modest frame, this is a major advantage: you get tile's visual character and durability without structural work.

The Guardian is a lifetime limited, non-prorated material warranty for the original owner—covering rust, rot, splitting, cracking, curling, and loss of impact resistance for the life of the roof. It's also one-time transferable: the next owner receives 50 years of coverage from the completion date. In Kelley's 77 freeze-thaw days per year, this non-prorated structure is crucial—you never face a deductible or reduced payout, and neither will your buyer. This transferability increases resale appeal and protects against the harsh seasonal cycles that degrade asphalt within 15–20 years.

energy-efficient Interlock colors achieve solar reflectance up to 0.55 and thermal emissivity of 0.84, meaning they reflect heat that asphalt absorbs and radiates back into your home. Kelley receives about 3,098 sunshine hours per year—enough to notice cooling savings, especially on south and west-facing roofs. Metal roofing is Cool Roof Rating Council rated; a reflective aluminum roof can lower attic temperatures by 10–30°F compared to dark asphalt on sunny days. Over a 30-year roof life, reduced cooling load adds up, and your HVAC system works less hard during Minnesota's warmer months.

Yes. Asphalt requires annual gutter cleaning and periodic seal-coating; wood shakes need treatment for moss, rot, and insect damage—both tasks accelerate in Kelley's wet climate with 101 cm of annual snow and 77 freeze-thaw days. Interlock's aluminum and Alunar coating (30-year warranty against chalking and fading) resist mold, algae, and rot without chemical treatment. Gutters still need cleaning, but the roof itself requires only occasional inspection. The CALGreen verification confirms reduced maintenance needs. Over a 30-year horizon, you save thousands in upkeep compared to wood or asphalt, and the roof never fails prematurely from weather cycling.

Over the full roof life, yes. Asphalt costs $6,000–$12,000 installed but lasts 15–20 years in Kelley's climate—meaning two replacements in 30 years, plus tear-off, disposal, and labor costs totaling $12,000–$36,000. Interlock costs more upfront ($18,000–$28,000 for similar coverage) but is a permanent roof: one installation, zero replacement. Add the 50-year transferable warranty, energy savings (3,098 sunshine hours/year mean cooling benefits), negligible maintenance, and no landfill tear-off, and the math favors aluminum. You also recoup ~30–40% of the cost at resale through durability and curb appeal, making it genuinely the last roof you'll buy.

Interlock Metal Roofing has served the region since 2001 and is the manufacturer's authorized installer for Sibley County. The company installs all five Interlock profiles—Slate, Cedar Shingle, Shake, Standing Seam, and Mediterranean Tile—and performs both new installations and roof-over applications on existing structures. Since 2001, they've gained deep experience with Kelley's exact freeze-thaw cycles, snow loads, and seasonal conditions. They can advise on profile selection, obtain permits, coordinate with local contractors, and ensure your installation meets ICC-ES ESR-1790 code standards. Contact them directly for a site assessment and warranty registration.

Yes. Kelley averages about 101 cm of snow, 557 mm of rain, roughly 77 freeze–thaw days a year, with peak wind gusts near 103 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.