Spray Foam Insulation Contractors in South Carolina
Climate Zone
Average Cost
$1.50 - $3.50 per sq ft
Building Code Info
Cities in South Carolina
Top Contractors in South Carolina
Charleston Spray Foam Insulation
South Carolina, South Carolina
Charleston Spray Foam Insulation installs both closed-cell and open-cell foam for residential, comme...
Residential · Commercial
Get a Free QuoteGlenco Foam & Insulation
South Carolina, South Carolina
Glenco Foam & Insulation is a veteran-owned, family-operated contractor serving South Carolina, West...
Residential · Commercial
Get a Free QuoteKoala Insulation of Greenville
South Carolina, South Carolina
Koala Insulation of Greenville provides spray foam insulation solutions for both homes and businesse...
Residential · Commercial
Get a Free QuoteComfort Shield Insulation
South Carolina, South Carolina
Comfort Shield Insulation delivers spray foam insulation solutions for new construction and existing...
Residential
Get a Free QuoteAffordable Spray Foam
South Carolina, South Carolina
Affordable Spray Foam insulation delivers energy-efficient solutions to South Carolina homeowners, s...
Residential
Get a Free QuoteClimate Zone
3
Average Cost
$2.50-$5.00/sq ft
R-Value (Attic)
R-38
R-Value (Walls)
R-13
Climate: hot and humid
South Carolina's booming housing market and coastal humidity drive demand for spray foam, especially in the Charleston and Myrtle Beach areas.
Why Spray Foam Insulation in South Carolina?
South Carolina's booming housing market and coastal humidity drive demand for spray foam, especially in the Charleston and Myrtle Beach areas. With a hot and humid climate, proper insulation is essential for maintaining comfortable indoor temperatures year-round.
In South Carolina's hot and 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-$5.00 per square foot, spray foam insulation is a smart investment for South Carolina homeowners.
Building Code Requirements in South Carolina
Attic Insulation
R-38
Wall Insulation
R-13
Climate Zone
3
These are minimum requirements. Higher R-values provide better performance and energy savings.
Popular Cities in South 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 for attics and R-13 for walls in Climate Zone 3.
Should I choose open-cell or closed-cell spray foam?
In a hot and humid climate, closed-cell is recommended for its moisture barrier and higher R-value per inch.