Macon's 1920s historic district
Spray Foam Insulation in Shirley Hills, GA
Careful insulation work for revival-style and Craftsman houses.
- Free on-site estimates
- Itemized written quotes with R-value and thickness
- Crawl spaces checked for moisture and termite access before sealing

Historic Houses Need a Gentle Hand
Spray foam insulation in Shirley Hills means working in historic homes. The Shirley Hills Historic District dates to 1922, with revival-style and Bungalow/Craftsman houses. It was listed on the National Register in 1989 and expanded in 2014, and it now counts 401 contributing buildings.
What these houses need
Homes from the 1920s and 1930s usually have little or no wall insulation, attics with gaps around chimneys and the tops of walls, and crawl spaces that let humid air in. We start with attic sealing and depth, then talk about dense-pack cellulose for walls and a plan for the crawl space.
Respecting the architecture
The original 275-acre district is roughly bounded by Senate Place, Curry Drive, Nottingham Drive and the Ocmulgee River. Architect W. Elliott Dunwody designed 10 houses here and Ellamae Ellis League designed seven. Most insulation work happens from the attic, the crawl space and inside, so exteriors stay unchanged.
Foam and old houses
We avoid covering old roof boards with foam where leaks could hide, and we make sure walls can dry. Closed-cell foam under the floor and on rim joists is often a good fit in these houses.
A typical visit
We start in the attic, measure what is there and look at the roof boards from below for old leaks. Then we look at the crawl space or basement, check the wiring that runs through it, and note any termite treatment marks. The written quote lists each area separately, so you can phase the work if you want.
Termites
Macon-Bibb rates termite risk as very heavy, so crawl space work leaves foundation areas visible for inspection. Get a free estimate
Shirley Hills Background
- Built from 1922. The Shirley Hills Historic District dates to 1922, with revival-style and Bungalow/Craftsman houses.
- National Register. The district was listed in 1989 and expanded in 2014, and now has 401 contributing buildings.
- Boundaries. The original 275-acre district is roughly bounded by Senate Place, Curry Drive, Nottingham Drive and the Ocmulgee River.
- Architects. W. Elliott Dunwody designed 10 houses in the district and Ellamae Ellis League designed seven.

Shirley Hills Questions
Can you insulate a historic house without changing its look?
Yes. Work happens from the attic, crawl space and inside, and wall holes are patched.
Is spray foam safe in a 1920s house?
Where it fits, yes: rim joists, under floors and attic sealing. We avoid foam where it would trap moisture or hide old wood that needs inspection.
Do historic district rules cover insulation?
Interior insulation usually does not change the exterior, but check with Macon-Bibb's historic preservation staff if you are unsure.
How do you insulate plaster walls?
Dense-pack cellulose through small holes, plugged and patched afterward.
Free Estimates in Shirley Hills, GA
Shirley Hills homeowners: request a free estimate.
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