
The county seat
Spray Foam Insulation in Cullman, AL
German roots, a plateau climate and homes of every age.
- Free on-site estimates
- Written quotes with material, thickness and R-value for each area
- Crawl space moisture and roof leaks checked before we insulate
Insulating the County Seat
Spray Foam Insulation in Cullman covers a city with a long building history. Colonel John G. Cullmann, a German immigrant, founded the town in 1873 as a colony for German settlers on land owned by the Louisville and Nashville Railroad, and it was incorporated in 1874. The city had 18,213 residents in 2020 and an estimated 20,239 in 2024, so new subdivisions keep going up around the older core.
On the plateau
Cullman sits at 814 feet on the Brindley Mountain plateau, near the watershed between the Tennessee and Black Warrior rivers. Wikipedia describes the climate as humid subtropical with hot, humid summers and mild to cool winters. That means a house has to hold out heat for months and hold in heat for months, and both show up in the attic and the crawl space.
Older homes near downtown
Frame houses and early brick homes near downtown often have thin attics, walls with little in them and crawl spaces open to the weather. Sealing wall tops from the attic, adding depth, and dealing with the crawl space make the biggest difference.
After 2011
An EF4 tornado hit downtown and an east-side neighborhood on April 27, 2011. Many homes and buildings were rebuilt. Rebuilt homes generally have better insulation, but repairs done in a hurry can leave gaps, and older homes nearby may have roof patches with damp insulation under them.
Spray foam insulation companies in town
Around Cullman you will find spray foam insulation companies, blown-in crews and general insulation contractors. Ask each one to look at the attic and the crawl space on the same visit, since that is where most local homes lose comfort.
Housing count
The 2020 census counted 8,023 housing units in Cullman with 7.2% vacant. Most homes are occupied year-round, so improvements pay back in comfort every season. Get a free estimate
Cullman Facts
- Founded 1873. Colonel John G. Cullmann founded Cullman in 1873 as a German colony; it was incorporated in 1874 (Wikipedia).
- Plateau elevation. The city sits at 814 feet on the Brindley Mountain plateau, near the Tennessee and Black Warrior watershed divide (Wikipedia).
- 2011 tornado. An EF4 tornado damaged downtown and an east-side residential area on April 27, 2011 (Wikipedia).
- Housing. The 2020 census counted 8,023 housing units in Cullman, 7.2% vacant (Wikipedia).
- Climate zone. Cullman County is in IECC climate zone 3A, with R-30 ceilings and R-19 floors in the Alabama code summary.

Cullman Questions
What should I insulate first in an older Cullman home?
Usually the attic: seal the wall tops and penetrations, then add depth. The crawl space often comes next.
Do you work in new subdivisions too?
Yes. Newer homes usually need sealing and some extra depth rather than a full overhaul.
Can you check insulation under a repaired roof?
Yes. Wet or matted sections can be replaced without redoing the whole attic.
How soon can you come out?
Usually within a few days for an estimate.
Free Estimates in Cullman, AL
Cullman homeowners: book a free estimate.
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