Spray Foam Insulation cost: Cary vs Charlotte (2026)
In 2026, spray foam insulation is about 4% more expensive in Cary than in Charlotte. Most homeowners pay around $3,750 in Cary versus $3,600 in Charlotte — a gap of roughly $150.
Cary NC
Typically around $3,750
Charlotte NC
Lower costTypically around $3,600
Cary vs Charlotte: full breakdown
| Factor | Cary | Charlotte |
|---|---|---|
| Typical 2026 cost | $3,750 | $3,600 |
| Estimated range | $1,500–$5,950 | $1,450–$5,750 |
| Labor index (vs US) | ×0.99 | ×0.96 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | None | None |
| Labor share | $2,050 | $2,000 |
| Materials/equipment | $1,700 | $1,600 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
Cary vs Charlotte
Is spray foam insulation cheaper in Cary or Charlotte?
In 2026, spray foam insulation is cheaper in Charlotte at about $3,600, versus $3,750 in Cary — a difference of about $150 (4%).
Why does spray foam insulation cost more in Cary than Charlotte?
The main driver is local labor rates: Cary's labor index is 0.99 versus 0.96 in Charlotte. Climate zone (mixed vs mixed) also shift the total.
How much is spray foam insulation in Cary, NC?
In Cary, spray foam insulation typically runs $1,500–$5,950 in 2026, with most homeowners paying around $3,750.
Updated June 2026 · By Costadia Editorial