Insulation recruiters serving Knoxville.
Knoxville has 59% more insulation workers, mechanical per job than the country as a whole, about 110 in the metro. BLS counts 23 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 Knoxville.
BLS counts about 950 people working in the occupations behind these roles across the Knoxville metro, the largest group being construction and building inspectors (about 440). Relative to the size of the local economy, insulation workers, mechanical are far more concentrated here than nationally (location quotient 1.59). Local headcount and pay for each role are below; role descriptions are on the Insulation hub.
Mechanical Insulator (Pipe/Duct/Boiler)
Knoxville: 110 employed · $46,330 median, 56th-highest of 58 metros
Building Envelope Insulation Installer
Knoxville: 170 employed · $48,380 median, 34th-highest of 69 metros
Spray Foam Technician
Fireproofing / Firestop Technician
Insulation Foreman / Crew Lead
Knoxville: 2,680 employed · $66,830 median, 107th-highest of 112 metros
Insulation Estimator
Knoxville: 540 employed · $72,900 median, 91st-highest of 111 metros
Insulation Project Manager
Knoxville: 730 employed · $101,910 median, 92nd-highest of 111 metros
Abatement-Certified Insulator
Knoxville: 230 employed · $75,280 median, highest of 90 metros
Blower / Loose-Fill Insulation Technician
Insulation Inspector / QC Technician
Knoxville: 440 employed · $58,150 median, 106th-highest of 112 metros
What Insulation roles earn in Knoxville.
Insulation workers, mechanical in Knoxville earn a median $46,330, 21% under the $58,340 national figure, and 56th of 58 metros. Pay runs $36,980 at the tenth percentile to $55,830 at the ninetieth. The best-paid role below is hazardous materials removal workers, at $75,280 against $49,450 nationally.
| Role | Knoxville median | Typical range | National median | vs. national | Employed locally |
|---|---|---|---|---|---|
| Mechanical Insulator (Pipe/Duct/Boiler)Insulation Workers, Mechanical (47-2132) | $46,330 | $36,980–$55,830 | $58,340 | −21% | 110 |
| Building Envelope Insulation Installer · Spray Foam Technician · Fireproofing / Firestop TechnicianInsulation Workers, Floor, Ceiling, and Wall (47-2131) | $48,380 | $35,740–$69,870 | $49,120 | −2% | 170 |
| Insulation Foreman / Crew LeadFirst-Line Supervisors of Construction Trades and Extraction Workers (47-1011) | $66,830 | $44,810–$104,520 | $79,920 | −16% | 2,680 |
| Insulation EstimatorCost Estimators (13-1051) | $72,900 | $42,760–$115,860 | $78,740 | −7% | 540 |
| Insulation Project ManagerConstruction Managers (11-9021) | $101,910 | $62,210–$169,550 | $114,990 | −11% | 730 |
| Abatement-Certified InsulatorHazardous Materials Removal Workers (47-4041) | $75,280 | $40,230–$113,050 | $49,450 | +52% | 230 |
| Insulation Inspector / QC TechnicianConstruction and Building Inspectors (47-4011) | $58,150 | $39,520–$82,540 | $74,690 | −22% | 440 |
BLS Occupational Employment and Wage Statistics, May 2025, Knoxville 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 Knoxville's insulation market has changed since 2018.
The number of nonresidential drywall and insulation contractors in Knoxville rose from 20 in 2018 to 23 in 2023, up 15%, ahead of the 3% national decline. Headcount at those firms went down 8%, to about 314 people, so more firms are sharing fewer workers. Average annual pay there went from $50,073 to $89,020 (+78%), faster than the 21% national increase, a sign employers here have had to bid up.
| Measure | 2018 | 2023 | Change |
|---|---|---|---|
| Nonresidential drywall and insulation contractors: business locations | 20 | 23 | +15% |
| Nonresidential drywall and insulation contractors: employment | 343 | 314 | −8% |
| Nonresidential drywall and insulation contractors: average annual pay | $50,073 | $89,020 | +78% |
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
Knoxville runs 41% 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 Knoxville's insulation market compares
Among the 63 metros we cover with published BLS figures, Knoxville ranks 36th for headcount, 33rd for median pay and 20th for concentration for insulation workers, floor, ceiling, and wall.
| Metro | Employed | Median pay | Concentration | Commercial employers |
|---|---|---|---|---|
| Nashville | 550 | $54,400 | 1.76 | 55 |
| Knoxville | 170 | $48,380 | 1.41 | 23 |
| Memphis | 140 | $47,270 | 0.80 | 30 |
| Chattanooga | – | – | – | 10 |
BLS OEWS occupation figures and QCEW business-location counts; a dash means not published.
What this means for hiring:For insulation employers in Knoxville, the pool is deep but local employers have been cutting headcount. Experienced people are here, and some will be open to a move, so a clear offer and a defined path up usually beat a higher posted rate.
Sources: BLS QCEW 2023 annual averages and BLS OEWS May 2025, Knoxville metro. Employers are counted by business location.
Insulation licensing in Tennessee.
Tennessee requires a contractor license for projects of $25,000 or more. Masonry subcontractors must be licensed when the masonry portion is $100,000 or more. The same state rules apply in Nashville, Memphis and Chattanooga, so candidates licensed there can work in Knoxville without re-qualifying.
Licensing authority: Tennessee Board for Licensing Contractors. Confirm current rules with the agency.
Nearby markets competing for Knoxville talent.
The closest metro we cover is Chattanooga, about 100 miles away. Atlanta pays the most nearby, a $51,350 median, 11% above Knoxville. That is the number any Knoxville offer is competing with when experienced people weigh a move. Atlanta has the deepest pool within reach, so a search for senior roles here usually extends there.
| Metro | Distance | Employed | Median pay |
|---|---|---|---|
| Knoxville | – | 110 | $46,330 |
| Chattanooga | 101 mi | – | – |
| Greenville | 115 mi | 150 | $51,080 |
| Atlanta | 155 mi | 410 | $51,350 |
| Nashville | 161 mi | 250 | $49,800 |
| Huntsville | 173 mi | – | – |
BLS OEWS, May 2025; straight-line miles.
What else is competing for Knoxville crews.
Not insulation work. These are the capital projects big enough to pull the same crews into Knoxville in the months you are trying to fill a seat, each with the status its own market page reports.
- Y-12 demolition and cleanup programFederal EM programAlpha-2 completed January 2026; Beta-1 and Old Steam Plant ongoing
DOE completed demolition of the 325,000 sq ft Alpha-2 facility (the largest demolition in Y-12's history, clearing 2.5+ acres) in January 2026, and crews are preparing the 210,000 sq ft Beta-1 facility and the Old Steam Plant for removal. Clears contaminated Manhattan Project/Cold War-era sites for new missions and community reuse.
- LIS Technologies laser uranium enrichment facility$1.38BAnnounced 2026
A new facility on the historic K-25 uranium enrichment site, expected to create more than 200 jobs. One of the largest single nuclear-industrial capital commitments in the region's history.
- DOE Nuclear Lifecycle Innovation Campus (finalist)Undisclosed, federalSite selection ongoing
Tennessee is one of just 5 states selected as a finalist out of 26 applicants for a major Department of Energy nuclear research campus - a signal of the region's growing strategic importance to the nuclear-energy sector.
Showing 3 of 4 projects tracked in this metro. The Knoxville market page lists them all.
What credentials matter for insulation, and what kills offers in Knoxville.
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 Knoxville.
What do insulation workers, mechanical earn in Knoxville?
BLS puts the Knoxville median for insulation workers, mechanical at $46,330 a year, 21% below the $58,340 national median. That ranks 56th of 58 metros with published figures, in the bottom quarter. Pay is bunched together here, $36,980 to $55,830 across the 10th to 90th percentile and only a 1.5x gap, so small differences in an offer are noticed. Within Tennessee, Nashville pays more, at $49,800.
Is it hard to hire insulation workers, mechanical in Knoxville?
Not by national standards. Insulation workers, mechanical make up 59% more of the Knoxville workforce than they do nationally, about 110 people. The 23 nonresidential drywall and insulation contractors here average about 14 employees per location. With 15% more of those firms than in 2018, more employers are competing for the same crews.
Which insulation roles pay the most in Knoxville?
Of the roles we recruit for, Insulation Project Manager pays the most in Knoxville, a $101,910 median (BLS measures that occupation across all industries in the metro). Among field roles the top earner is Abatement-Certified Insulator at $75,280, 26% below it. Mechanical Insulator (Pipe/Duct/Boiler) is the lowest-paid field role at $46,330. Relative to national pay, Abatement-Certified Insulator is the strongest-paying role here (52% above). Insulation Inspector / QC Technician trails national pay the most (22% below).
How many nonresidential drywall and insulation contractors operate in Knoxville?
BLS counted 23 nonresidential drywall and insulation contractors in Knoxville in 2023, employing about 314 people between them. Up from 20 in 2018, a 15% increase against 3% decline nationally. That averages 14 people per location. They pay an average of $89,020, 15% above the $77,107 national average for the same kind of employer.
Which nearby metros compete with Knoxville for insulation workers, mechanical?
The closest metros we cover with published figures are Greenville (115 miles, about 150, $51,080 median), Atlanta (155 miles, about 410, $51,350 median) and Nashville (161 miles, about 250, $49,800 median). Atlanta has the larger pool, so it is the first place to look for senior people willing to move. Greenville pays 10% more, which is where Knoxville employers tend to lose people.
Plenty of people. Few of them looking.
Knoxville 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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