How often does a Douglas roof freeze and thaw in a year?

Roughly 75 times. Each cycle expands and contracts the membrane, seams, and flashings on a Douglas, WY commercial roof, which is why monolithic systems outlast seamed ones here.

What design wind speed applies to commercial roofs in Douglas, WY?

The governing numbers for Douglas, WY are a 109 mph ASCE 7 basic wind speed at Exposure C. ASCE 7 does not use "zones"; it uses a wind speed and an exposure category, and both should be confirmed with the local building department before specifying.

What is the average annual snowfall in Douglas, WY?

About 31 inches a year (NOAA 1991-2020 normals). What matters on a flat roof is where that snow drifts and how it melts, not just the total.

What is A-1 Roofing's response time in Douglas, WY?

Our target is 24 business hours for a first response in Douglas. Active leaks are prioritised ahead of scheduled assessments.

What snow load and wind speed do Douglas, WY building codes assume?

Ground snow load of 37 psf (City of Douglas ordinance (Ordinance 1061, adopting the 2024 IBC) publishes ground snow load by risk category: 27 psf at Risk Category I, 37 psf at Risk Category II, the standard category for most commercial buildings, 44 psf at Risk Category III, 53 psf at Risk Category IV, and 27 psf for one and two family dwellings. This is the most precisely documented snow load figure of the five cities.) and a 109 mph design wind speed at Exposure C (The same ordinance publishes wind speed by risk category: 103 mph at Risk Category I, 109 mph at Risk Category II, 116 mph at Risk Category III, 120 mph at Risk Category IV, and 110 mph for one and two family dwellings. This is the most precisely documented wind speed figure of the five cities.). Treat both as the starting point and confirm them with the Douglas building department.

When can coating and foam work be done in Douglas, WY?

The frost-free window in Douglas, WY runs from about May 25 to Sep 18, 133 days. Silicone and foam both have minimum substrate temperatures, so most full-system work is booked inside it.

Douglas, WY · Why Owners Choose A-1

Why Douglas, WY owners choose A-1 for commercial roofing

41 years of commercial roofing, a free on-site assessment, and a crew that answers in 24 business hours. That is what we bring to a roof in Douglas.

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What You Get

A free on-site assessment

We inspect the roof in Douglas at no cost and tell you what we find, whether that points to restoration or replacement.

Response within 24 business hours

When a leak or storm hits, that is the window we work to for getting on the roof and stopping water.

One crew, start to finish

The people who scope the work are the people who install it. No handoffs to a subcontractor you never met.

Systems matched to the building

Spray polyurethane foam, silicone coatings, and roof restoration, specified for your deck and use, not sold from a single default.

A written scope before work begins

You see what we intend to do, and why, before anyone opens the roof.

Why It Matters Here

High-plains, high wind exposure, with 75 freeze-thaw cycles and energy sector and agricultural building stock. Those loads are the reason our commitments are specific rather than generic. Every system we spec here is built to the ground snow load and design wind speed Douglas has adopted into code, not a regional average.

Freeze-thaw: 75est. / yr
Snowfall (avg): 31in
Avg July high: 88°F
Design wind: 109 mph
Last spring frost: May 25
First fall frost: Sep 18
Freeze-free season: 133days
Ground snow load: 37psf
Design wind speed: 109mph
Exposure category: Category C

On record:A historical account describes a house destroyed on a sheep ranch in Converse County with six people injured, though the source did not specify a date. No county specific hail day count or national risk index rating specific to Douglas was located, and Wyoming as a whole averages about ten tornadoes per year.

Sectors served: energy · agriculture · retail · healthcare · government

On The Record

01
Douglas is at the edge of A-1's Wyoming service corridor, with response routed from both Casper and Cheyenne depending on the project scope and urgency
02
A statewide fair is held in Douglas each year, with permanent fairground buildings that include large low-slope exhibition halls and livestock facilities
03
31 inches of annual snowfall combined with exposed high-plains terrain and sustained wind exposure means Douglas buildings require the same engineered uplift standards as larger Wyoming markets
04
Where we work in Douglas: Douglas Business Park: a mixed use development along I-25 with river frontage, oriented toward office, hotel and restaurant, and multi family use · Interstate 25, running north to south through Converse County with a business loop routing directly through the center of Douglas · Rail service connecting Omaha and Casper through Douglas · Main Street Douglas, the city's historic downtown core, supported by a dedicated revitalization program.
05
Douglas's commercial base runs along the Interstate 25 corridor and its business loop through downtown, anchored by the riverfront Douglas Business Park and a preserved Main Street historic district, with rail service linking the city to the broader regional freight network.

A-1 Roofing · Douglas, Wyoming · 42.760°N 105.381°W

The Standing Offer

41 years on commercial roofs, and the first step is still free. We assess your Douglas roof, show you the record, and let the work earn the next one.

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Local roofing reference

Douglas roofing facts

06 data points

01How often does a Douglas roof freeze and thaw in a year?: Roughly 75 times. Each cycle expands and contracts the membrane, seams, and flashings on a Douglas, WY commercial roof, which is why monolithic systems outlast seamed ones here.
02What design wind speed applies to commercial roofs in Douglas, WY?: The governing numbers for Douglas, WY are a 109 mph ASCE 7 basic wind speed at Exposure C. ASCE 7 does not use "zones"; it uses a wind speed and an exposure category, and both should be confirmed with the local building department before specifying.
03What is the average annual snowfall in Douglas, WY?: About 31 inches a year (NOAA 1991-2020 normals). What matters on a flat roof is where that snow drifts and how it melts, not just the total.
04What is A-1 Roofing's response time in Douglas, WY?: Our target is 24 business hours for a first response in Douglas. Active leaks are prioritised ahead of scheduled assessments.
05What snow load and wind speed do Douglas, WY building codes assume?: Ground snow load of 37 psf (City of Douglas ordinance (Ordinance 1061, adopting the 2024 IBC) publishes ground snow load by risk category: 27 psf at Risk Category I, 37 psf at Risk Category II, the standard category for most commercial buildings, 44 psf at Risk Category III, 53 psf at Risk Category IV, and 27 psf for one and two family dwellings. This is the most precisely documented snow load figure of the five cities.) and a 109 mph design wind speed at Exposure C (The same ordinance publishes wind speed by risk category: 103 mph at Risk Category I, 109 mph at Risk Category II, 116 mph at Risk Category III, 120 mph at Risk Category IV, and 110 mph for one and two family dwellings. This is the most precisely documented wind speed figure of the five cities.). Treat both as the starting point and confirm them with the Douglas building department.
06When can coating and foam work be done in Douglas, WY?: The frost-free window in Douglas, WY runs from about May 25 to Sep 18, 133 days. Silicone and foam both have minimum substrate temperatures, so most full-system work is booked inside it.

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