Spray Foam Insulation Contractors in North Carolina
Climate Zone
Average Cost
$1.50 - $3.50 per sq ft
Building Code Info
Cities in North Carolina
Top Contractors in North Carolina
Standard Insulating Company
Charlotte, North Carolina
Standard Insulating Company has served Charlotte, North Carolina for over 80 years, delivering spray...
Residential · Commercial
Get a Free QuoteNorth Carolina Spray Foam Insulation
Charlotte, North Carolina
North Carolina Spray Foam Insulation specializes in open-cell spray foam applications for residentia...
Residential · Commercial · Agricultural
Get a Free QuoteCharlotte Pros Spray Foam Insulation
Charlotte, North Carolina
Charlotte Pros Spray Foam Insulation installs both closed-cell and open-cell foam for commercial and...
Residential · Commercial
Get a Free QuoteRaleigh Spray Foam Insulation
Raleigh, North Carolina
Raleigh Spray Foam Insulation serves residential, commercial, and industrial clients throughout Rale...
Residential · Commercial · Agricultural
Get a Free QuoteCarolina Weatherization
Raleigh, North Carolina
Carolina Weatherization specializes in residential spray foam insulation for new construction and ex...
Residential
Get a Free QuoteClimate Zone
3-4
Average Cost
$2.50-$5.50/sq ft
R-Value (Attic)
R-38 to R-49
R-Value (Walls)
R-13 to R-20
Climate: moderate, humid
North Carolina's rapidly growing housing market, especially in the Charlotte-Raleigh corridor, drives strong demand for spray foam in new construction.
Why Spray Foam Insulation in North Carolina?
North Carolina's rapidly growing housing market, especially in the Charlotte-Raleigh corridor, drives strong demand for spray foam in new construction. With a moderate, humid climate, proper insulation is essential for maintaining comfortable indoor temperatures year-round.
In North Carolina's moderate, humid conditions, spray foam provides superior performance compared to traditional insulation materials. This can lead to substantial savings on heating and cooling costs throughout the year.
With average costs ranging from $2.50-$5.50 per square foot, spray foam insulation is a smart investment for North Carolina homeowners.
Building Code Requirements in North Carolina
Attic Insulation
R-38 to R-49
Wall Insulation
R-13 to R-20
Climate Zone
3-4
These are minimum requirements. Higher R-values provide better performance and energy savings.
Popular Cities in North Carolina
Frequently Asked Questions
How much does spray foam insulation cost in this state?
Spray foam insulation typically costs $1.25-$3.00 per square foot, depending on the type (open-cell vs closed-cell) and project scope.
What R-value is required for insulation?
Current building codes require R-38 to R-49 for attics and R-13 to R-20 for walls in Climate Zone 3-4.
Should I choose open-cell or closed-cell spray foam?
In a moderate, humid climate, closed-cell is recommended for its moisture barrier and higher R-value per inch.