How many freeze-thaw cycles does Bismarck see each year?

Bismarck, ND sees about 94 freeze-thaw cycles per year, one of the key stresses on a commercial roof membrane in this climate.

What wind speed should a roof in Bismarck be designed for?

ASCE 7 sets a basic wind speed and an Exposure Category rather than a "zone". Confirm both with the local building department before a system is specified.

How much snow does Bismarck get?

Bismarck averages about 44.6 inches of snow per year.

How fast can A-1 respond to a roofing issue in Bismarck?

A-1 Roofing's typical response time in Bismarck is 24 business hours.

North Dakota · civic registerBismarck, ND

Commercial Roofing in Bismarck, ND

The state capital: government buildings, two regional hospital systems, and the energy-sector offices that follow both. Institutional roofs are held to long service lives and cannot close for the work, which is what restoration over tear-off is for.

Free roof assessment (605) 337-3721

Avg snowfall: 44.6in
Avg July high: 85°F
Freeze-thaw: 94est./yr
Frost depth: 60in statewide

Sectors served

Building stock in Bismarck

governmentLow-slope · metal panel
healthcareLow-slope · metal panel
energyLow-slope · metal panel
retailLow-slope · metal panel
transportationLow-slope · metal panel

Bismarck conditions

01
Bismarck is the state capital, and its building stock is weighted toward government, healthcare and institutional roofs held to long service-life expectations
02
At 44.6 inches, Bismarck averages more annual snowfall than any other of the thirteen North Dakota markets we serve, including Fargo and Minot
03
The North Dakota State Capitol is a 19-storey tower rather than a domed statehouse, a reminder that this market's roofs include tall-building assemblies as well as low-slope commercial
04
Bismarck's 44.6 inches of average snowfall is the highest of the thirteen North Dakota markets we serve, ahead of both Fargo and Minot
05
State and county buildings here are specified for long service lives, which favours systems that can be washed and recoated on a cycle rather than replaced outright
06
The capitol district's taller buildings bring parapet, edge-metal and wind-uplift details that low-slope commercial work in the rest of the city does not

Where the buildings are

The Bismarck commercial footprint

As the state capital, Bismarck carries an unusual weight of government, healthcare and institutional roofs, most of them occupied buildings on long replacement cycles. The capitol district, two regional hospital systems and the state office campuses all favour restoration over tear-off for the simple reason that they cannot shut down, and the city's 44.6 inches of average snowfall keeps sustained load on every one of them.

Corridors: Interstate 94
State Street (US-83)
Bismarck Expressway
Districts: Capitol grounds and state office district
Downtown
North Bismarck retail and medical
Business parks: Northern industrial and service corridor

← All North Dakota markets

Local roofing reference

Bismarck roofing facts

04 data points

01How many freeze-thaw cycles does Bismarck see each year?: Bismarck, ND sees about 94 freeze-thaw cycles per year, one of the key stresses on a commercial roof membrane in this climate.
02What wind speed should a roof in Bismarck be designed for?: ASCE 7 sets a basic wind speed and an Exposure Category rather than a "zone". Confirm both with the local building department before a system is specified.
03How much snow does Bismarck get?: Bismarck averages about 44.6 inches of snow per year.
04How fast can A-1 respond to a roofing issue in Bismarck?: A-1 Roofing's typical response time in Bismarck is 24 business hours.

Services

Commercial roofing services for Bismarck, ND

All North Dakota cities

What commercial roofing costs per square foot in 2026Restoration versus replacement, by system, with the numbers behind each range.

Also serving North DakotaNearby cities