Has Hail Hit Your Metal Roof?
The Cosmetic vs. Functional Damage Battle
Minnesota homeowners frequently upgrade to metal roofing believing it is a lifetime solution that will completely shield them from our brutal summer hail storms. While it is true that steel and aluminum roofs are incredibly resilient, they are not completely bulletproof.
When a major hail storm sweeps through the Twin Cities, metal roofs face a very specific type of threat that traditional asphalt shingles do not. It triggers a massive legal and structural battle between homeowners and insurance companies over "cosmetic" versus "functional" damage.
Here is what you need to look for if hail just hit your metal roof.
The Myth of the Indestructible Metal Roof
Many out-of-state contractors sell metal roofing by claiming it will never need to be replaced after a storm. But while hail rarely punctures a metal roof or causes an immediate water leak, it can leave massive, visible dimples across your panels.
This creates two major issues:
The Property Value Hit: A beautiful, expensive metal roof covered in dozens of unsightly hail dents instantly destroys your home's curb appeal and slashes its resale value.
Coating Degradation: Heavy hail impacts can fracture the factory-baked protective paint or Kynar coating on your panels. Over time, these microscopic cracks expose the raw metal underneath to Minnesota’s humidity, leading to premature rusting and structural failure.
Cosmetic vs. Functional Damage: The Insurance Trap
If you file an insurance claim for hail damage on a metal roof, the adjuster will likely use the phrase "cosmetic damage."
In recent years, many insurance carriers across Minnesota have quietly slipped "Cosmetic Damage Exclusions" into their homeowners' policies. Under these clauses, if the hail dents do not cause an active leak (functional damage) but merely make your roof look ruined (cosmetic damage), the insurance company is legally absolved from paying for a replacement.
This is why you must have an independent, third-party inspection. If the hail hit hard enough to compromise the interlocking seams, loosen fasteners, or crack the protective finish, it is functional damage—and your carrier needs to cover it.
How to Properly Inspect a Metal Roof After a Hail Storm
Never climb onto a metal roof yourself, especially after a storm, as the surface can be incredibly slick. Instead, ensure your independent inspector checks for these three signs:
1. Chalking the Seams: Running sidewalk chalk over suspected impact areas highlights micro-dents and fractures along the structural ribs that are invisible to the naked eye.
2. Fastener Distortion: Heavy hail can strike the exposed screws or concealed clips, shifting the panels and breaking the rubber neoprene washers that seal out water.
3. Gutter and Flashing Continuity: Check the softer metal accents like aluminum gutters, box vents, and valley flashing. If these are heavily dented, it proves the severity of the storm's impact velocity.
Protect Your Home & Your Wallet Today
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