What is the Davis-Bacon prevailing wage for a insulator (heat & frost) in Massachusetts?

There is no single figure. Active federal determinations for Massachusetts publish 8 insulator (heat & frost) classification rates ranging from $44.36 to $55.45 per hour before fringe benefits. The rate that applies depends on the county, the type of construction and the wage determination incorporated into the contract.

How many counties in Massachusetts have a published insulator (heat & frost) rate?

14 of the counties covered by active federal determinations list at least one insulator (heat & frost) classification.

Do these rates apply to state-funded projects?

No. These are federal Davis-Bacon rates, which apply to federally funded or assisted construction. Massachusetts may set its own prevailing wage rates for state and locally funded work; the state law summary is on the Massachusetts prevailing wage page.

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Insulator (Heat & Frost) prevailing wage rates in Massachusetts

Federal Davis-Bacon rates published in 6 active determinations, 2026

Active federal Davis-Bacon determinations for Massachusetts publish 8 insulator (heat & frost) classification rates, across 6 determinations covering 14 counties.
Those published base rates run from $44.36 to $55.45 an hour before fringe benefits. Which one applies to a job depends on its county, its construction type and the determination written into the contract.
Construction types covered: Building, Heavy, Residential.
Last determination revision affecting insulator (heat & frost) rates in Massachusetts: 2026-05-18.

The official source: binding Davis-Bacon and Service Contract Act wage determinations are published by the U.S. Department of Labor at SAM.gov Wage Determinations. This site indexes them and links every determination to its official document - the determination incorporated into a contract governs.

This page collects every classification in Massachusetts's active federal determinations that is a form of insulator (heat & frost) work (mechanical insulation and asbestos abatement work) and shows the rate published for it. Determinations name a classification the way the underlying union agreement or wage survey named it, so the wording varies between them; the rate and the fringe are reproduced exactly as published.

Published rates by determination

MA20260001 rev 1 · Building · Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 2 more

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR/ASBESTOS WORKER (ZONE B) ZONE B- BARNSTABLE COUNTY (BARNSTABLE, BOURNE, FALMOUTH, MASHPEE, SANDWICH), BRISTOL COUNTY (ALL CITIES EXCEPT EASTON),AND NORFOLK COUNTY (BELLIN	$55.45	36.63	ASBE0006-001 collectively bargained (union) rate
INSULATOR/ASBESTOS WORKER (ZONE A) ZONE A- BARNSTABLE COUNTY (BREWSTER, CHATHAM, DENNIS, EASTHAM, HARWICH, ORLEANS, PROVINCETOWN, TRURO, WELLFLEET, YARMOUTH) BRISTOL COUNTY (EASTON	$55.45	36.63	ASBE0006-001 collectively bargained (union) rate
INSULATOR/ASBESTOS WORKER: INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTECTIVE COVERINGS, COATINGS AND FINISHES TO ALL TYPES OF MECHANICAL SYSTEMS	$55.45	36.63	ASBE0006-010 collectively bargained (union) rate

Official document: MA20260001 on SAM.gov.

MA20260002 rev 1 · Heavy · Worcester

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR/ASBESTOS WORKER (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTECTIVE COVERINGS, COATING, AND FINISHES ALL TYPES OF MECHANICAL SYSTEMS)	$49.10	36.63	ASBE0006-005 collectively bargained (union) rate

Official document: MA20260002 on SAM.gov.

MA20260003 rev 1 · Building · Berkshire, Franklin, Hampden, Hampshire

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR/ASBESTOS WORKER (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTECTIVE COVERINGS, COATINGS AND FINISHES TO ALL TYPES OF MECHANICAL SYSTEMS)	$44.36	36.63	ASBE0006-011 collectively bargained (union) rate

Official document: MA20260003 on SAM.gov.

MA20260011 rev 1 · Residential · Franklin

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR/ASBESTOS WORKER (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTECTIVE COVERINGS, COATINGS AND FINISHES TO ALL TYPES OF MECHANICAL SYSTEMS.)	$44.36	36.63	ASBE0006-012 collectively bargained (union) rate

Official document: MA20260011 on SAM.gov.

MA20260012 rev 1 · Building · Plymouth

Classification as published	Base rate	Fringes	Rate schedule
ASBESTOS WORKER/HEAT & FROST INSULATOR (DUCT, PIPE, & MECHANICAL SYSTEM INSULATION)	$55.45	36.63	ASBE0006-007 collectively bargained (union) rate

Official document: MA20260012 on SAM.gov.

MA20260013 rev 1 · Building · Worcester

Classification as published	Base rate	Fringes	Rate schedule
ASBESTOS WORKER/HEAT & FROST INSULATOR (DUCT, PIPE, & MECHANICAL SYSTEM INSULATION)	$49.10	36.63	ASBE0006-013 collectively bargained (union) rate

Official document: MA20260013 on SAM.gov.

Where to go next

Insulator (Heat & Frost) rates in every state · Massachusetts prevailing wage and state law · Massachusetts determinations by county · pay calculator

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