Builder-grade attics
Typical 2000s Coweta homes have blown-in insulation on the attic floor and ducts running above it. Spraying the roof deck puts those ducts inside the conditioned space.
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Residential · Coweta County, GA
Residential Spray Foam Insulation in Coweta County, GA
NJ Spray Foam LLC installs residential spray foam across Coweta County, GA, including Newnan, Senoia and Sharpsburg. The county has about 36,000 owner-occupied single-family homes (Census), many built since 2000, so most work seals builder-grade attics and bonus rooms.
- Coweta County 30263, 30265, 30276, 30277, 30220
- 10 years of experience
- Climate zone 3A
Residential Spray Foam in Coweta County
What to know in Coweta County
Bonus rooms over the garage
Two-story homes in Newnan and Senoia often have bonus rooms with knee walls and a garage ceiling that batts never sealed. Spray foam fixes both.
New homes in Newnan
New homes permitted by the City of Newnan Building Department must meet Georgia's energy code, including a blower-door test under 5 ACH50. Spray foam in walls and roof decks helps builders get there.
Residential Spray Foam services we offer in Coweta County
Open-cell and closed-cell spray foam for new and existing homes, applied to roof decks, exterior walls, rim joists and floors so the house is insulated and air-sealed in one step.
- Open-cell spray foam for roof decks and walls
- Closed-cell spray foam where moisture or strength matters
- Unvented (conditioned) attic conversions
- Rim joist, band board and bonus-room sealing
- Fiberglass and blown-in insulation when foam is not the best fit
Coweta County insulation code minimums
Insulation in new homes and additions is inspected under Georgia's state energy code by the city or by Coweta County, depending on the address. We confirm the office before quoting.
| Location / item | Limit |
|---|---|
| IECC climate zone | 3A (warm, humid) |
| Attic floor (ceiling) insulation | R-38, or R-30 at full depth over the top plates |
| Spray foam at the roof deck (unvented attic) | R-20 minimum on the trade-off path |
| Wood-frame exterior walls | R-13 |
| Unvented crawl space walls | R-13 cavity or R-5 continuous |
| Air leakage test on new homes | Under 5 ACH50, by a certified verifier |
| Georgia Power attic insulation rebate | Up to $300 (R-38 or less → R-49) |
Open-cell vs closed-cell spray foam
| Open-cell | Closed-cell | |
|---|---|---|
| R-value per inch | About R-3.5 to R-3.8 | About R-6 to R-7 |
| Air sealing | Yes, seals gaps as it expands | Yes, and adds rigidity |
| Moisture | Vapor-open; assemblies can dry | Acts as a vapor retarder |
| Typical use in homes | Roof decks, interior side of walls | Rim joists, crawl spaces, below grade |
Our residential process
- 1
Walkthrough
We look at the attic, walls and crawl space, measure the areas and note ducts, wiring and moisture.
- 2
Recommendation
Open-cell or closed-cell, thickness and target R-values set against Georgia's energy code for your climate zone.
- 3
Prep and protection
We cover floors, windows and fixtures and set up ventilation for the spray area.
- 4
Spray and trim
Foam is applied in passes to the specified depth, then trimmed flush where walls will be closed.
- 5
Clean-up and review
We remove waste and overspray and walk the finished areas with you.
Residential Spray Foam in Coweta County: FAQ
Will spray foam fix my hot upstairs?
It usually helps most when the cause is ducts in a hot attic and unsealed knee walls. Foam on the roof deck and knee walls targets both.
What R-values apply in Coweta County?
Climate zone 3A: R-13 walls and R-38 ceilings (R-30 at full depth over the plates), or R-20 of spray foam at the roof deck.
Which Coweta towns do you cover?
All of Coweta County, including Newnan, Senoia, Sharpsburg, Grantville, Moreland and Turin.
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Ready to insulate in Coweta County?
NJ Spray Foam LLC installs residential spray foam across Coweta County and nearby areas. Send your address and photos to get started.