Insulation recruiters serving Charleston.
Charleston has 102% more insulation workers, mechanical per job than the country as a whole, about 130 in the metro. BLS counts 14 business locations of nonresidential drywall and insulation contractors across the metro. Below: local pay for every role we staff, the state licensing rules that apply and the nearby markets competing for the same people.
Positions we recruit for in Charleston.
BLS counts about 850 people working in the occupations behind these roles across the Charleston metro, the largest group being construction and building inspectors (about 460). Relative to the size of the local economy, insulation workers, mechanical are far more concentrated here than nationally (location quotient 2.02). Local headcount and pay for each role are below; role descriptions are on the Insulation hub.
Mechanical Insulator (Pipe/Duct/Boiler)
Charleston: 130 employed · $48,540 median, 51st-highest of 58 metros
Building Envelope Insulation Installer
Charleston: 180 employed · $40,120 median, 66th-highest of 69 metros
Spray Foam Technician
Fireproofing / Firestop Technician
Insulation Foreman / Crew Lead
Charleston: 2,560 employed · $77,470 median, 68th-highest of 112 metros
Insulation Estimator
Charleston: 540 employed · $73,130 median, 88th-highest of 111 metros
Insulation Project Manager
Charleston: 1,080 employed · $107,610 median, 64th-highest of 111 metros
Abatement-Certified Insulator
Charleston: 80 employed · $49,420 median, 32nd-highest of 90 metros
Blower / Loose-Fill Insulation Technician
Insulation Inspector / QC Technician
Charleston: 460 employed · $60,140 median, 100th-highest of 112 metros
What Insulation roles earn in Charleston.
Insulation workers, mechanical in Charleston earn a median $48,540, 17% under the $58,340 national figure, and 51st of 58 metros. Pay runs $47,020 at the tenth percentile to $80,460 at the ninetieth. The best-paid role below is construction and building inspectors, at $60,140 against $74,690 nationally.
| Role | Charleston median | Typical range | National median | vs. national | Employed locally |
|---|---|---|---|---|---|
| Mechanical Insulator (Pipe/Duct/Boiler)Insulation Workers, Mechanical (47-2132) | $48,540 | $47,020–$80,460 | $58,340 | −17% | 130 |
| Building Envelope Insulation Installer · Spray Foam Technician · Fireproofing / Firestop TechnicianInsulation Workers, Floor, Ceiling, and Wall (47-2131) | $40,120 | $29,030–$65,710 | $49,120 | −18% | 180 |
| Insulation Foreman / Crew LeadFirst-Line Supervisors of Construction Trades and Extraction Workers (47-1011) | $77,470 | $56,770–$106,960 | $79,920 | −3% | 2,560 |
| Insulation EstimatorCost Estimators (13-1051) | $73,130 | $48,840–$129,520 | $78,740 | −7% | 540 |
| Insulation Project ManagerConstruction Managers (11-9021) | $107,610 | $72,640–$192,330 | $114,990 | −6% | 1,080 |
| Abatement-Certified InsulatorHazardous Materials Removal Workers (47-4041) | $49,420 | $37,990–$61,750 | $49,450 | 0% | 80 |
| Insulation Inspector / QC TechnicianConstruction and Building Inspectors (47-4011) | $60,140 | $37,590–$85,930 | $74,690 | −19% | 460 |
BLS Occupational Employment and Wage Statistics, May 2025, Charleston metro. Range is 10th to 90th percentile; management and office roles are metro-wide. A metro ranking counts only the metros where BLS publishes that occupation.
How Charleston's insulation market has changed since 2018.
The number of nonresidential drywall and insulation contractors in Charleston rose from 11 in 2018 to 14 in 2023, up 27%, ahead of the 3% national decline. How many people those 14 locations employ is not published: with a category this small, BLS would effectively be reporting individual employers' payrolls.
| Measure | 2018 | 2023 | Change |
|---|---|---|---|
| Nonresidential drywall and insulation contractors: business locations | 11 | 14 | +27% |
BLS Quarterly Census of Employment and Wages, private employers, annual averages. A dash means BLS did not publish the figure.
Free Insulation hiring resources.
Definitive Guide to Insulation · 2026 Insulation Salary Guide · 3-Step Interview Guide for Insulation
Charleston runs 64% more insulation workers per job than the country as a whole — well above the national concentration. More per job means more people to reach, and more employers reaching them.
Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025, Insulation Workers, Floor, Ceiling, and Wall (nearest published occupation for this trade). Metro-wide figures for the base occupation; the wage table above is role-specific and commercial.
How Charleston's insulation market compares
Among the 63 metros we cover with published BLS figures, Charleston ranks 35th for headcount, 61st for median pay and 13th for concentration for insulation workers, floor, ceiling, and wall. Pay here is among the lowest we see, which makes relocation offers from higher-paying metros a real retention risk.
| Metro | Employed | Median pay | Concentration | Commercial employers |
|---|---|---|---|---|
| Charleston | 180 | $40,120 | 1.64 | 14 |
| Greenville | 120 | $47,350 | 0.99 | 20 |
| Columbia | 110 | $50,750 | 0.95 | 12 |
| Myrtle Beach | – | – | – | 5 |
BLS OEWS occupation figures and QCEW business-location counts; a dash means not published.
What this means for hiring:For insulation employers in Charleston, the local pool is deeper than most, so a well-run search can usually fill field roles from inside the metro.
Sources: BLS QCEW 2023 annual averages and BLS OEWS May 2025, Charleston metro. Employers are counted by business location.
Insulation licensing in South Carolina.
South Carolina requires a general or mechanical contractor license for work where the total construction cost is more than $10,000; a 2023 act raised this from $5,000. License classifications include Concrete and Masonry. The same state rules apply in Greenville, Columbia and Myrtle Beach, so candidates licensed there can work in Charleston without re-qualifying.
Licensing authority: South Carolina Contractor's Licensing Board. Confirm current rules with the agency.
Nearby markets competing for Charleston talent.
The closest metro we cover is Myrtle Beach, about 85 miles away. Pay is close across the region: medians run from $46,970 in Columbia to $49,570 in Charlotte, against $48,540 here. Charlotte has the deepest pool within reach, so a search for senior roles here usually extends there.
| Metro | Distance | Employed | Median pay |
|---|---|---|---|
| Charleston | – | 130 | $48,540 |
| Myrtle Beach | 87 mi | – | – |
| Columbia | 106 mi | 90 | $46,970 |
| Augusta | 128 mi | – | – |
| Charlotte | 177 mi | 430 | $49,570 |
| Jacksonville | 197 mi | – | – |
BLS OEWS, May 2025; straight-line miles.
What else is competing for Charleston crews.
Not insulation work. These are the capital projects big enough to pull the same crews into Charleston in the months you are trying to fill a seat, each with the status its own market page reports.
- Boeing South Carolina final assembly building expansion$1B+Ramping to 10 airplanes/month in 2026
A new 1.2 million sq ft final assembly building in North Charleston - aerospace-grade electrical, mechanical, and fabrication demand at a scale unmatched elsewhere in the metro.
- I-526 / Long Point Road interchange$227MDesign underway (Parsons)
Major interchange reconstruction feeding the region's port and industrial corridor - sustained heavy-civil and paving demand.
- U.S. Coast Guard Base Charleston modernization$440M+ across three contracts (including a $230M design-build contract for a new engineering complex, personnel housing, and parking structure)Latest contract targets 2030 completion
A multi-year infrastructure expansion: Pier Mike recapitalization, a new medical/dental facility, and now a 90,000 sq ft engineering complex plus a 120,000 sq ft multifunctional building - all built by Brasfield & Gorrie.
Showing 3 of 4 projects tracked in this metro. The Charleston market page lists them all.
What credentials matter for insulation, and what kills offers in Charleston.
The 4 credentials that gate the work and the 3 things that most often end an insulation offer are the same in every market, kept in one place: Insulation credentials and offer risks, each linked to the body that issues it. What is local is the licensing rule above and the pay further up this page.
Frequently asked - Insulation hiring in Charleston.
What do insulation workers, mechanical earn in Charleston?
BLS puts the Charleston median for insulation workers, mechanical at $48,540 a year, 17% below the $58,340 national median. That ranks 51st of 58 metros with published figures, in the bottom quarter. Most of the market sits between $47,020 and $80,460, a 1.7x gap and a moderate spread, so a few thousand dollars over the median buys real experience. Within South Carolina, Greenville pays more, at $51,080.
Is it hard to hire insulation workers, mechanical in Charleston?
Not by national standards. Insulation workers, mechanical make up 102% more of the Charleston workforce than they do nationally, about 130 people. With 27% more of those firms than in 2018, more employers are competing for the same crews.
Which insulation roles pay the most in Charleston?
Of the roles we recruit for, Insulation Project Manager pays the most in Charleston, a $107,610 median (BLS measures that occupation across all industries in the metro). Among field roles the top earner is Insulation Inspector / QC Technician at $60,140, 44% below it. Building Envelope Insulation Installer is the lowest-paid field role at $40,120. Insulation Inspector / QC Technician trails national pay the most (19% below).
How many nonresidential drywall and insulation contractors operate in Charleston?
BLS counted 14 nonresidential drywall and insulation contractors in Charleston in 2023. Up from 11 in 2018, a 27% increase against 3% decline nationally. BLS withholds their combined headcount and pay here, which it does when a category is small enough that the figures could identify individual employers.
Which nearby metros compete with Charleston for insulation workers, mechanical?
The closest metros we cover with published figures are Columbia (106 miles, about 90, $46,970 median), Charlotte (177 miles, about 430, $49,570 median) and Greenville (201 miles, about 150, $51,080 median). Charlotte has the larger pool, so it is the first place to look for senior people willing to move. Greenville pays 5% more, which is where Charleston employers tend to lose people.
Plenty of people. Few of them looking.
Charleston has one of the deeper pools of insulation workers, mechanical we cover, but the best of them are already working. Let's find the ones ready to move.
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