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

There is no single figure. Active federal determinations for North Dakota publish 27 insulator (heat & frost) classification rates ranging from $8.00 to $21.15 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 North Dakota have a published insulator (heat & frost) rate?

53 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. North Dakota may set its own prevailing wage rates for state and locally funded work; the state law summary is on the North Dakota prevailing wage page.

Home › Trades › Insulator (Heat & Frost) › North Dakota

Insulator (Heat & Frost) prevailing wage rates in North Dakota

Federal Davis-Bacon rates published in 27 active determinations, 2026

Active federal Davis-Bacon determinations for North Dakota publish 27 insulator (heat & frost) classification rates, across 27 determinations covering 53 counties.
Those published base rates run from $8.00 to $21.15 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, Residential.
Last determination revision affecting insulator (heat & frost) rates in North Dakota: 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 North Dakota'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

ND20260003 rev 1 · Residential · Burleigh, Grand Forks, Morton

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR, BATT & BLOWN	$8.00	0.00	SUND2000-011 DOL wage survey rate

Official document: ND20260003 on SAM.gov.

ND20260004 rev 1 · Residential · Cass

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR, BATT & BLOWN	$8.00	0.00	SUND2000-010 DOL wage survey rate

Official document: ND20260004 on SAM.gov.

ND20260012 rev 2 · Building · Burleigh

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$16.73	2.94	SUND2012-001 DOL wage survey rate

Official document: ND20260012 on SAM.gov.

ND20260013 rev 2 · Building · Cass

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$15.80	2.60	SUND2012-002 DOL wage survey rate

Official document: ND20260013 on SAM.gov.

ND20260014 rev 2 · Building · Grand Forks

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$15.80	2.60	SUND2012-003 DOL wage survey rate

Official document: ND20260014 on SAM.gov.

ND20260015 rev 2 · Building · Morton

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$16.73	2.94	SUND2012-004 DOL wage survey rate

Official document: ND20260015 on SAM.gov.

ND20260016 rev 2 · Building · Oliver

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$21.15	6.08	SUND2012-005 DOL wage survey rate

Official document: ND20260016 on SAM.gov.

ND20260017 rev 2 · Building · Sioux

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$16.73	2.94	SUND2012-006 DOL wage survey rate

Official document: ND20260017 on SAM.gov.

ND20260018 rev 2 · Building · Adams

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$17.39	2.10	SUND2012-007 DOL wage survey rate

Official document: ND20260018 on SAM.gov.

ND20260019 rev 2 · Building · Barnes

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$16.68	2.17	SUND2012-008 DOL wage survey rate

Official document: ND20260019 on SAM.gov.

ND20260020 rev 3 · Building · Billings

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$17.39	2.10	SUND2012-009 DOL wage survey rate

Official document: ND20260020 on SAM.gov.

ND20260021 rev 2 · Building · Bottineau

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$17.39	2.10	SUND2012-010 DOL wage survey rate

Official document: ND20260021 on SAM.gov.

ND20260022 rev 2 · Building · McKenzie

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$17.39	2.10	SUND2012-011 DOL wage survey rate

Official document: ND20260022 on SAM.gov.

ND20260023 rev 2 · Building · McLean

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$17.39	2.10	SUND2012-012 DOL wage survey rate

Official document: ND20260023 on SAM.gov.

ND20260024 rev 2 · Building · Mercer

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$17.39	2.10	SUND2012-013 DOL wage survey rate

Official document: ND20260024 on SAM.gov.

ND20260025 rev 2 · Building · Mountrail

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$17.39	2.10	SUND2012-014 DOL wage survey rate

Official document: ND20260025 on SAM.gov.

ND20260026 rev 2 · Building · Pembina

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$16.68	2.17	SUND2012-015 DOL wage survey rate

Official document: ND20260026 on SAM.gov.

ND20260027 rev 2 · Building · Ramsey

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$16.68	2.17	SUND2012-016 DOL wage survey rate

Official document: ND20260027 on SAM.gov.

ND20260028 rev 2 · Building · Renville

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$17.39	2.10	SUND2012-017 DOL wage survey rate

Official document: ND20260028 on SAM.gov.

ND20260029 rev 2 · Building · Rolette

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$16.68	2.17	SUND2012-018 DOL wage survey rate

Official document: ND20260029 on SAM.gov.

ND20260030 rev 2 · Building · Stutsman

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$16.68	2.17	SUND2012-019 DOL wage survey rate

Official document: ND20260030 on SAM.gov.

ND20260031 rev 2 · Building · Ward

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$17.39	2.10	SUND2012-020 DOL wage survey rate

Official document: ND20260031 on SAM.gov.

ND20260032 rev 2 · Building · Williams

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$17.39	2.10	SUND2012-021 DOL wage survey rate

Official document: ND20260032 on SAM.gov.

ND20260033 rev 2 · Building · Benson, Cavalier, Eddy, Foster, Griggs, Kidder and 9 more

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$16.68	2.17	SUND2012-022 DOL wage survey rate

Official document: ND20260033 on SAM.gov.

ND20260034 rev 2 · Building · Bowman, Divide, Dunn, Golden Valley, Hettinger, Slope and 1 more

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$17.39	2.10	SUND2012-023 DOL wage survey rate

Official document: ND20260034 on SAM.gov.

ND20260035 rev 2 · Building · Burke, McHenry, Pierce, Sheridan

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$17.39	2.10	SUND2012-024 DOL wage survey rate

Official document: ND20260035 on SAM.gov.

ND20260036 rev 2 · Building · Dickey, Emmons, Grant, Ransom, Richland, Sargent

Classification as published	Base rate	Fringes	Rate schedule
INSULATOR - MECHANICAL (DUCT, PIPE & MECHANICAL SYSTEM INSULATION)	$16.68	2.17	SUND2012-025 DOL wage survey rate

Official document: ND20260036 on SAM.gov.

Where to go next

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

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