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Delaware · Insulator (Heat & Frost / Asbestos Worker)

Delaware insulator prevailing wage, county by county

An insulator's prevailing wage on Delaware public works is $71.54 an hour in every county that has one (3), for the main classification.

Main insulator classification in each county (Insulators), Delaware DOL determinations effective March 13, 2026. A project uses the rates in effect when its specifications are published; if the contract isn't signed within 120 days, the rates at signing apply (Regulations 6.3). Checked October 25, 2026.

New Castle County insulator: $71.54 per hourKent County insulator: $71.54 per hourSussex County insulator: $71.54 per hour
$71$71$71$71$71$71Insulator (Heat & Frost / Asbestos Worker), main rate, total (fringes included) per hour. Each shade holds about a fifth of the counties.

Which counties pay which rate

CountiesMain classificationTotal (fringes included)Base
New Castle County group, 3 localities: Kent, New Castle, SussexINSULATORS$71.54 —

1 group of counties with identical DOL rates, and 0 counties with rates of their own.

Delaware's determinations list one mechanic (journeyworker) rate per classification. Apprentices registered with the Delaware DOL get the percentage of that rate set in their apprenticeship agreement; non-registered apprentices must be paid the full mechanic's rate.

Questions about Delaware insulator pay

What is the insulator prevailing wage in New Castle County?

$71.54 an hour, fringe benefits included (one rate, no separate base wage), under Delaware DOL determinations effective March 13, 2026. Overtime and every insulator classification in New Castle County.

Does insulator prevailing wage pay overtime in Delaware?

Delaware's prevailing wage law sets no overtime premium, and the determinations print only a straight-time rate. The federal Fair Labor Standards Act applies: 1½ times the regular rate after 40 hours in a workweek (U.S. DOL).

Do apprentice insulators get this rate?

Delaware's determinations list one mechanic (journeyworker) rate per classification. Apprentices registered with the Delaware DOL get the percentage of that rate set in their apprenticeship agreement; non-registered apprentices must be paid the full mechanic's rate.

Why do some counties have the same insulator rate?

DOL often publishes the same insulator rates for several counties. Across Delaware, the 3 counties with an insulator rate fall into 1 distinct sets of rates, and 1 of those sets are shared by more than one county; the largest covers 3 counties (the New Castle County group).