Climate Compendium / Minnesota

Minnesota Commercial Roofing

150+ freeze-thaw cycles per year. Minnesota tests roofing systems harder than anywhere else we work.

Freeze-thaw days vs. year35% of calendar year
Freeze-thaw active
Stable period
128

Freeze-thaw cycles per year

Avg Snowfall
49"
Wind exposure
Tier II
Cities Served
13
Industries
6
Climate Impact

What 128 cycles actually do to a roof

Subarctic-influenced continental with very cold winters, warm summers, and some of the highest freeze-thaw cycle counts in North America

Minnesota's average of 128 freeze-thaw cycles per year is the highest in A-1's service territory and places extraordinary cumulative mechanical stress on seamed roofing systems.

Industries Served

6 sectors across Minnesota

  • 01healthcare
  • 02manufacturing
  • 03food processing
  • 04financial services
  • 05education
  • 06technology

Minnesota's freeze-thaw cycles will find every weakness in your roof.

With 128 freeze-thaw cycles per year, Minnesota commercial buildings need roofs built to last. Free assessments across all 13 service cities.

41-year commercial roofing and insulation record

MN conditions

What a Minnesota roof is up against

Subarctic-influenced continental with very cold winters, warm summers, and some of the highest freeze-thaw cycle counts in North America. Across the 13 Minnesota cities on this site, the freeze-thaw estimate runs from 110–130 cycles a year, hardest in Moorhead and lightest in Duluth. Average snowfall spans 39–90 inches, with Duluth at the top of the range.

ASCE 7 basic wind speeds run 100–110 mph, peaking at 110 mph around Minneapolis. A 50 psf ground snow load combined with about 38 snow days a year means low-slope commercial roofs need drainage and drift-load detailing at parapets and rooftop-unit curbs, not just flat-load capacity. The 105 to 115 mph wind band drives uplift-resistant membrane attachment and edge and corner fastening density, and roughly 72 days a year of sub-freezing highs put a premium on freeze-thaw-tolerant flashing, sealant, and coping details.

The building stock leans toward healthcare, manufacturing, food processing, financial services, education and technology. Each city page below carries its own climate loads, code figures, local building context, and a data-derived FAQ.

Minnesota cities served by A-1 Roofing with climate and design figures
CityFreeze-thawSnowfallDesign windLead sector
Minneapolis120est./yr51in110mphfinancial services
Saint Paul120est./yr40in110mphgovernment
Rochester115est./yr53in110mphhealthcare
Duluth110est./yr90in100mphshipping/port
Saint Cloud125est./yr48in110mphmanufacturing
Mankato115est./yr39in110mphmanufacturing
Moorhead130est./yr53in105mphfood processing
Austin115est./yr40in110mphfood processing
Owatonna115est./yr43in110mphmanufacturing
Willmar125est./yr45in110mphfood processing
Brainerd130est./yr48in100mphtourism/hospitality
Worthington120est./yr45in110mphfood processing
Fergus Falls130est./yr48in100mphagriculture

Freeze-thaw counts are derived estimates. Snowfall is the NOAA 1991-2020 normal for the nearest station. Design wind is the ASCE 7-22 basic wind speed estimate; confirm with the local building department before specifying.

Local roofing reference

Minnesota roofing facts

01Which Minnesota cities does A-1 Roofing serve?
A-1 Roofing covers commercial roofs across Minnesota, with dedicated local pages for 13 cities: Minneapolis, Saint Paul, Rochester, Duluth, Saint Cloud, Mankato, Moorhead, Austin, Owatonna, Willmar, Brainerd, Worthington, and Fergus Falls. Buildings outside those cities are served too; the pages exist because each city carries its own climate and code figures.
02Does A-1 Roofing have an office in Minnesota?
No. A-1 Roofing & Insulation Systems is headquartered in Platte, South Dakota, and serves Minnesota as a service-area contractor: crews travel to the job, and a free on-site assessment is scheduled the same way it is for a South Dakota building.
03How many freeze-thaw cycles do Minnesota commercial roofs go through?
Across the 13 Minnesota cities A-1 tracks, the estimate runs from 110 to 130 cycles a year. Minnesota's average of 128 freeze-thaw cycles per year is the highest in A-1's service territory and places extraordinary cumulative mechanical stress on seamed roofing systems.
04How much snow do Minnesota roofs carry?
Average annual snowfall across those cities ranges from 39 to 90 inches (NOAA 1991-2020 normals), and published ground snow loads run from 50 to 60 psf depending on the county. Drift against parapets and rooftop units, not the season total, is what an assessment checks.
05What wind speeds are Minnesota commercial roofs designed for?
ASCE 7 basic wind speeds for the Minnesota cities on this site run from 100 to 110 mph, with the exposure category set by the terrain around each building. Uplift at edges and corners is the governing detail on a low-slope roof, and both figures should be confirmed with the local building department before a system is specified.
06Which roof systems does A-1 install in Minnesota?
Spray polyurethane foam roofing, silicone and acrylic roof coatings, and in-place restoration of single-ply, metal, built-up, and modified bitumen roofs, plus roof repair and inspection. The climate here (subarctic-influenced continental with very cold winters, warm summers, and some of the highest freeze-thaw cycle counts in North America) favours seamless systems that expand and contract as one surface.
07How quickly does A-1 respond to a Minnesota roofing call?
The target is 24 business hours for a first response anywhere in Minnesota. Active leaks are prioritised ahead of scheduled assessments, and the assessment itself is free.