
Morgan County on I-65
Spray Foam Insulation in Hartselle, AL
A railroad town with a historic district and new neighborhoods.
- 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
Railroad Town, Growing Suburb
Spray Foam Insulation in Hartselle covers both old and new houses. Hartselle was founded in 1869 with the arrival of the South and North Alabama Railroad and incorporated on March 1, 1875. Most of the oldest buildings were destroyed by a fire in 1916. The Hartselle Downtown Commercial Historic District was added to the National Register in 1999. The city had 15,455 residents in 2020, up from 12,019 in 2000.
Steady growth
The 2020 census counted 6,573 housing units with only 6.5% vacant, up from 5,170 units in 2000. Newer homes in growing neighborhoods need sealing and fine-tuning; older homes near downtown need more: attic depth, wall tops sealed, crawl spaces handled.
Location
Hartselle sits along I-65 and US 31, 13 miles south of Decatur and 20 miles north of Cullman, in western Morgan County. Morgan County is in climate zone 3A like Cullman, so the same code R-values apply: R-30 ceilings and R-19 floors in the Alabama code summary.
Older homes near downtown
The 1916 fire means most of Hartselle's oldest homes date from after that year. Homes from the 1920s through the 1950s often have balloon framing or open wall tops, little attic insulation, and crawl spaces with no floor insulation. Sealing the wall tops from the attic, adding depth, and dealing with the crawl space is the usual order. If walls are empty, dense-pack cellulose through small holes fills them without tearing out plaster.
Families
In 2020, 33.8% of households had children. Bonus rooms and upstairs bedrooms that are too hot or too cold are a common call. Get a free estimate
Hartselle Facts
- Founded 1869. Hartselle was founded in 1869 with the railroad and incorporated March 1, 1875; a 1916 fire destroyed most of the oldest buildings (Wikipedia).
- Historic district. The Hartselle Downtown Commercial Historic District joined the National Register in 1999 (Wikipedia).
- Housing growth. Hartselle had 6,573 housing units in 2020 (6.5% vacant), up from 5,170 in 2000 (Wikipedia).
- Climate zone. Morgan County is in IECC climate zone 3A (OpenEI).

Hartselle Questions
Do you work in Hartselle?
Yes, it is about 20 miles north of Cullman on US 31 and I-65.
Why is the bonus room uncomfortable?
Usually leaky kneewalls and the floor over the garage.
Do historic homes need special care?
We work from the attic and crawl space and avoid opening finished walls.
What R-value should my attic have?
The Alabama code summary lists R-30 for ceilings in zone 3; DOE suggests more for existing homes.
Can empty walls be filled without tearing them out?
Yes, usually with dense-pack cellulose through small holes.
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