Spray Foam Insulation cost: Kingsport vs Memphis (2026)
In 2026, spray foam insulation is about 3% less expensive in Kingsport than in Memphis. Most homeowners pay around $3,500 in Kingsport versus $3,600 in Memphis — a gap of roughly $100.
Kingsport TN
Lower costTypically around $3,500
Memphis TN
Typically around $3,600
Kingsport vs Memphis: full breakdown
| Factor | Kingsport | Memphis |
|---|---|---|
| Typical 2026 cost | $3,500 | $3,600 |
| Estimated range | $1,400–$5,550 | $1,450–$5,750 |
| Labor index (vs US) | ×0.92 | ×0.96 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | None | None |
| Labor share | $1,950 | $2,000 |
| Materials/equipment | $1,550 | $1,600 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
Kingsport vs Memphis
Is spray foam insulation cheaper in Kingsport or Memphis?
In 2026, spray foam insulation is cheaper in Kingsport at about $3,500, versus $3,600 in Memphis — a difference of about $100 (3%).
Why does spray foam insulation cost more in Memphis than Kingsport?
The main driver is local labor rates: Memphis's labor index is 0.96 versus 0.92 in Kingsport. Climate zone (mixed vs mixed) also shift the total.
How much is spray foam insulation in Kingsport, TN?
In Kingsport, spray foam insulation typically runs $1,400–$5,550 in 2026, with most homeowners paying around $3,500.
Updated June 2026 · By Costadia Editorial