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Commercial Roofing Contractors in Duluth, Minnesota

Hail of 1 inch or more fell on 48 days near Duluth between 2014 and June 2026, higher than 89% of the cities we cover. 26 local roofers are listed, 14 license-checked.

  • 36.6%Housing units outside single-family houses
  • 79Days with wind gusts of 58 mph or more
  • 48Days with hail of 1 inch or more
  • 26Roofers listed here
All roofers in Duluth

What commercial roofing is, and what to ask about it

Commercial roofing covers retail, office, warehouse, church and multi-family buildings. Most of these roofs are flat or low-slope and use single-ply membranes, modified bitumen, built-up roofing or standing seam metal.

Crews, materials and warranties differ from house roofing. A company that is good on shingles may not be the right one for a membrane roof.

Signs you need it

  • Ponding water after rain on a flat roof
  • Open seams or failed flashing at rooftop units and parapets
  • Ceiling stains below drains, units or roof edges
  • A roof near the end of its warranty, with a lease or sale coming up

Ask each roofer

  • How many buildings like mine have you roofed in the last two years?
  • Do you scope the whole drainage path or only the wet spot?
  • Can you scan or core the roof to see whether the insulation is wet?
  • Who holds the membrane warranty, you or the manufacturer?

What Duluth changes about commercial roofing

Hail of 1 inch or more has fallen near Duluth on more days than in most cities we cover. Membranes can be punctured by hail, so ask for an inspection after a hail day, with core samples if the insulation may be wet.

Wind gusts of 58 mph or more are recorded near Duluth on more days than in most cities we cover. On a membrane roof, ask how edges and parapets are anchored, because wind starts at the perimeter.

Local facts that shape commercial roofing in Duluth
FactDuluthMedian cityRank (1 is highest)
Housing units outside single-family houses36.6%33.2%69 of 213
Days with wind gusts of 58 mph or more795042 of 212
Days with hail of 1 inch or more4816.524 of 212
Roofing companies with payroll in the county211884 of 210
Sources: NOAA Storm Events (county, 2014 to June 2026), NASA POWER (2014 to 2023), U.S. Census Bureau. How we collect data

When hail is reported in St. Louis County

June has the most reports, 78 of 239. 96% of reports fall from May to September; the other 9 come in March (2), April (5), October (2).

The county's biggest hail days

The largest stone in NOAA's record for St. Louis County fell on July 18, 2020: 3 inches, about the size of a teacup.

That day brought 8 reports, with the largest from Shaw.

A commercial roof laid before July 2020 was in place for the largest stone in the record, so ask for a roof survey and keep it with the warranty papers.

The strongest tornado in the record was rated EF1 on June 19, 2016 and stayed on the ground for 7.23 miles.

The strongest thunderstorm gust was 107 mph, on September 5, 2023.

Biggest hail days in St. Louis County
DateLargest hailReportsWhere
July 18, 20203 in, a teacup8Shaw
September 16, 20213 in, a teacup8Saginaw
June 12, 20242.5 in, a tennis ball33Fraser
NOAA Storm Events, 2014 to 2026. A county report is not proof of damage at your address.

Why this page prints no city price for commercial roofs

A commercial roof is priced by the building: its area, membrane, insulation, drainage and rooftop equipment. One range per city would mislead.

Ask each company for a written scope and a price per square foot of roof, so bids can be compared line by line.

Estimates for a 2,000 square foot roof, not quotes. How we build them

Roofers to start with in Duluth

6 of 26 listed, license-checked first. They are based in Duluth (5), Cloquet. We do not tag companies by service, so ask each one about commercial roofing.

See all 26 roofers in Duluth

PickARoofer lists roofing companies serving Duluth, MN. This is a general roofing directory; confirm commercial roofing experience and availability with each company. A license-checked badge describes a separate registry check, not a confirmed service specialty or insurance check. Confirm scope, insurance and availability directly. Requests go to one contractor at a time, with up to three attempts; we cannot promise a response or a start date. Free for homeowners.

Permits and state rules

Do I need a permit for commercial roofing in Minnesota?

Permit requirements depend on the property, scope of work and local jurisdiction. Check with the city or county building department and confirm who will obtain any required permit before work starts.

Permit rules for Duluth

More in Duluth

Commercial Roofing in nearby Minnesota cities

All roofers nearby

Ready to talk to a local roofer in Duluth?

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