Insulation Services in North Charleston, SC

Compare 24 insulation services contractors near you in North Charleston and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.

Last updated March 23, 2026

Verified Pro Installers

Other Businesses in This Area

Affordable spray foam insulation of the carolina's

15 years online
insulationcharleston.com

Energy One America

~16 years online
energyoneamerica.com

Atlantic Spray Foam Charleston

5.01½+ years online
atlanticsprayfoamcharleston.com

Charleston Spray Foam Insulation

5.05½+ years online
charlestonsprayfoaminsulation.net

Foam Tech Professionals, LLC

5.0~17 years online
foamtechprofessionals.com

Homepro Solutions Crawlspace Sealing

5.0

JWR Sales Co

5.027+ years online
jwrsales.com

Palmetto Foundation Services LLC

5.0

Spray Foam Genie Charleston

5.04+ years online
sprayfoamgenie.com/charleston

Thermolators - Spray Foam Insulation

5.0

Ticomex spray foam insulation

5.0
ticomexsprayfoaminsulationllc.com

Tidal Insulation & Coating

5.0

Charleston SC Spray foam LLC

4.9
charlestonscsprayfoam.llc

Palmetto Spray Foam Insulation

4.810+ years online
palmettosprayfoam.com

Affordable Spray Foam

4.715 years online
insulationcharleston.com

Crawl Space Avengers

4.7
crawlspace2017.wordpress.com

Southern Industries Home Improvements

4.728½+ years online
southernindustries.com/charleston-sc

IBP Charleston

4.512½+ years online
ibpcharleston.com

SRI Gale Insulation

3.314½+ years online
truteam.com/branches/sc/ladson/55

Insulation Services in Nearby SC Cities

Insulation Services in North Charleston, SC

North Charleston insulation contractors in this directory cover central North Charleston and surrounding Charleston County. IECC Climate Zone 3A asks for R-38 attics. Most pre-2000 North Charleston homes have R-19 to R-30 of compressed batts — topping up runs $1.40-$2.20 per sq ft. Closed-cell foam in walls or under-roof runs $4.50-$7/sq ft at 2 inches.

Dominion Energy SC offers home-performance rebates. The 25C federal credit covers 30% up to $1,200/year. SC's humid summers make crawlspace encapsulation valuable.

Frequently Asked Questions

What R-value should my NC attic have?
IECC Climate Zone 3A asks for R-38 attics.
Should I encapsulate my crawlspace?
Often yes — SC humidity drives moisture into vented crawlspaces.
Are there rebates?
Dominion Energy home-performance rebates ($300-$2,000), 25C federal credit.

About NeedInstall

NeedInstall helps connect customers with local installation professionals across North Charleston and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.

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