Spray Foam Insulation in Macon, GA

Spray foam insulation in Macon is mostly about keeping heat and humidity out. Macon averages about 83 days a year at 90°F or above, July highs average about 93.5°F, and the county's Manual J design criteria list summer humidity at 76.4%. Winters are short but real, with around 41 nights at or below freezing. We are Spray Foam Insulation Macon, and we insulate and air seal attics, crawl spaces and walls across Macon-Bibb and the towns around it.

Macon's housing

Macon's median home was built in 1975, and about 53.1% of homes date to before 1980, per 2019 to 2023 census estimates. That means a lot of brick ranches and older houses with thin, settled attic insulation, little or nothing in the walls, and vented crawl spaces with batts that have fallen. Historic districts like Shirley Hills and Ingleside add 1920s to 1960s homes with their own quirks.

What Georgia's code calls for

Georgia's residential energy code is the 2015 IECC with Georgia amendments, in effect since January 1, 2020. It aligns Climate Zones 2 through 4 at R-38 for ceilings and R-13 for walls, and sets a 5 ACH50 air leakage limit. Bibb County and its neighbors are in Climate Zone 3A. For existing homes, the U.S. Department of Energy suggests R-49 to R-60 in an uninsulated Zone 3 attic, or adding R-38 to R-49 where 3 to 4 inches are already in place.

Closed cell vs open cell

Closed-cell foam is dense, about R-5 to R-7 per inch, and slows moisture as well as air. It suits crawl space floors and rim joists and tight spaces. Open-cell foam is softer, about R-3.5 to R-3.7 per inch, fills irregular cavities and costs less, which makes it common on roof decks over attics with ductwork. The Department of Energy recommends against open-cell foam below ground.

Termites and foam

The Macon-Bibb design criteria rate termite risk as very heavy. Foam on foundation walls can hide termite tubes, so in crawl spaces we plan the work with inspection access in mind and coordinate with your pest control company. Insulating the floor above, rather than the foundation walls, is sometimes the better choice here.

Spray foam insulation cost

HomeGuide lists installed spray foam at about $1.50 to $5.00 per square foot: $1.50 to $3.50 for open cell and $3.00 to $5.00 for closed cell. Roof-deck foam runs $1,500 to $9,000, crawl space encapsulation $3,000 to $15,000, and a typical attic insulation job $1,000 to $2,700. Many small jobs have a $1,000 to $2,000 minimum. Your written estimate is the price.

Georgia Power rebates

Georgia Power's Home Energy Improvement Program lists rebates for attic insulation and air sealing. Its rules include existing attic insulation at or below R-38, adding insulation to reach R-49, and an affiliated installer for air sealing. Amounts and rules change, so check Georgia Power's page before you plan around a rebate.

Comparing spray foam insulation contractors

When you call spray foam insulation companies or search for spray foam insulation contractors near me, ask each for the foam type, thickness and R-value for every area in writing, how they handle crawl space moisture and termite inspection access, and how long you need to stay out during curing. Good insulation contractors and insulation companies answer in writing. So do we. Get a free estimate

We work across Macon-Bibb, including in-town neighborhoods like Shirley Hills and Ingleside and the Lizella area near Lake Tobesofkee. Around Macon we cover Gray and Haddock in Jones County, Forsyth, Bolingbroke and Juliette in Monroe County, Byron, Centerville and Fort Valley to the south, Roberta to the west, and Gordon and Jeffersonville to the east. Each town page covers what is different there, from 1920s historic homes to new subdivisions.