Insulation contractors in Charleston, SC
Compare insulation contractors serving Charleston and the surrounding area. Review each contractor's services, ratings, and key details, then use the questions below to verify scope and pricing before booking estimates.
Map loading
Map coverage
The map shows contractor locations in and around Charleston. Click a pin to visit the contractor's website or Google Maps listing.
Browse all South Carolina contractorsWhat tends to stand out here
Compare insulation contractors in Charleston
Review contractor profiles, services, and ratings before requesting estimates.
Sort and filter contractors
Narrow the list for Charleston by service, rating, or contractor name.
Spray Foam Genie Charleston
1301 Charleston Regional Pkwy, Charleston, SC 29492
Spray Foam Genie Charleston provides residential and commercial spray foam insulation installation across a broad range of spaces (attics, basements, garages, crawl spaces, bedrooms, home offices, porches) with financing options and nationwide locations. The company presents itself as trusted with advanced formulations and a focus on energy savings.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“The Magic in Insulation”
website: Brand positioning and homeowner trust signal
Workmanship
Excellent
Communication
Excellent
Scheduling
Excellent
Cleanup
Excellent
Charleston Spray Foam Insulation
1517 Marietta St, North Charleston, SC 29406
Charleston Spray Foam Insulation provides residential, commercial, and industrial spray foam insulation in Charleston, SC, with free estimates and a licensed, insured service.
Services offered
Trust signals
From reviews & website
“RESIDENTIAL - COMMERCIAL - INDUSTRIAL”
website: Shows the scope of project types supported (home, business, and broader applications).
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
New Leaf Sprayfoam
924 Valley St, Hanahan, SC 29410
New Leaf Sprayfoam provides spray foam insulation and related services in SC, including attic and crawl space insulation, metal building insulation, and roof coatings; contactable by phone or email.
Services offered
Trust signals
From reviews & website
“843-607-9865 [email protected]”
website: Provides direct contact options for homeowners to reach the provider.
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Affordable Spray Foam
1942 Sunnyvale Ave, Charleston, SC 29414
Affordable Spray Foam Insulation of the Carolinas (Charleston, SC) specializes in spray foam insulation installation with over 17 years of experience. They are a state-licensed Specialty Contractor and offer open-cell and closed-cell options, free estimates, and discounts for seniors and military. Customer reviews praise knowledge and reliability.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Open Cell insulation is much better than traditional insulation”
website: Shows open-cell option available for spray foam insulation.
Workmanship
Good
Communication
Excellent
Scheduling
Excellent
Cleanup
Ask during quoting
Coastal Siding & Windows
1662 Savannah Hwy, Charleston, SC 29407
Charleston-area contractor offering siding, window, and roofing services with positive, professional reviews and local trust signals.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Dan did a great job adding spray foam and an ignition barrier to my attic space.”
review: Supports attic insulation work and expertise
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
IBP Charleston
6549 Fain St, Charleston, SC 29406
IBP Charleston is a Charleston-based insulation contractor offering residential and commercial insulation services, including attic, crawl space, walls, spray foam, fiberglass, blown-in, fiberglass batt, and mold prevention. They serve Charleston and surrounding areas, with a 4.5 rating and a local phone number.
Services offered
Trust signals
From reviews & website
“Top-Rated Insulation Contractors in Charleston | Call Now”
website: Title indicates strong positioning in Charleston.
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Thermolators - Spray Foam Insulation
672 Marina Dr #204, Charleston, SC 29492
Charleston-based Thermolators - Spray Foam Insulation (Spray Foam Genie) offers residential and commercial insulation installation, including attic, basement, crawl space, garage, bedroom, home office, and porch insulation, with financing options and local service; reviews highlight professionalism, scheduling flexibility, and thorough cleanup.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Wes was super helpful with explaining open and closed cell spray foam.”
website: Demonstrates the provider explains options and helps homeowners understand choices.
Workmanship
Excellent
Communication
Excellent
Scheduling
Good
Cleanup
Excellent
Foam Tech Professionals, LLC
1082 River Rd, Johns Island, SC 29455
Charleston-based Foam Tech Professionals provides residential, commercial, and industrial spray foam insulation with licensed, bonded & insured status and free estimates in Charleston, SC.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Licensed, Bonded & Insured”
website: Shows a basic trust signal that the company is licensed/bonded/insured.
Workmanship
Excellent
Communication
Good
Scheduling
Good
Cleanup
Excellent
Old Dominion Insulation, Inc.
3404 Salterbeck St Suite 203, Mt Pleasant, SC 29466
Insulation and spray-foam services listed under New Leaf Sprayfoam with Charleston, SC presence, highlighted by on-time, professional work and competitive pricing.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Attic Insulation”
website: Demonstrates attic insulation as an offered service.
Workmanship
Excellent
Communication
Not enough data
Scheduling
Excellent
Cleanup
Good
Questions to ask insulation contractors in Charleston
More insulation contractors in South Carolina
Plan before you hire
These pages help you build a shortlist, but they don't replace a proper scope discussion with each contractor. If you're still deciding what work your home needs, start with the insulation planning guide and ROI calculator.