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Insulation in Raleigh, NC

Compare 6 local insulation pros. Typical service: $1191–$2298.

Top Insulation Companies in Raleigh

  1. 1.EcoMaster Insulation Contractors and Home Performance Experts

    4.7★ (24 reviews)

    4.7★ from 24 reviews

    +18007046156Website

  2. 2.General NC Insulation LLC

    4.8★ (20 reviews)

    4.8★ from 20 reviews

    +19193225727Website

  3. 3.Tri-City Insulation

    3.4★ (47 reviews)

    3.4★ from 47 reviews

    +19197909684Website

  4. 4.Strategic Spray Foam of Raleigh

    5.0★ (6 reviews)

    5.0★ from 6 reviews

    +19193550956Website

  5. 5.Raleigh Spray Foam Insulation

    5.0★ (1 reviews)

    5.0★ from 1 reviews

    +19199254717Website

  6. 6.Capital City Insulation

    1.0★ (1 reviews)

    1.0★ from 1 reviews

    +19197471506Website

Insulation Cost in Raleigh

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in Raleigh
Attic blown-in insulation$1,191–$2,298/job
Attic spray foam$2,553–$5,106/job

Insulation prices in Raleigh run about 15% below the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.

Quotes on this page come from 6 companies serving Raleigh, rated 4.0★ on average across 99 customer reviews.

Raleigh Climate & Seasonal Timing

What Raleigh's weather means for scheduling insulation.

Last spring frost
March 30
First fall frost
November 8
Annual precipitation
46.02"
Heating degree days
3,294
Cooling degree days
1,687
MonthLowHighPrecip
Jan30°50.9°3.87"
Feb32.2°55°3.3"
Mar39.2°62.9°4.28"
Apr47.7°72.4°2.92"
May56.5°79.9°3.72"
Jun65.5°87.2°4.66"
Jul69.3°90.1°4.28"
Aug68.1°88.5°4.55"
Sep61.3°82.3°4.41"
Oct49.5°72.5°3.55"
Nov41.1°63.4°3.18"
Dec32.9°53.8°3.3"

NOAA station data 4.3 miles from Raleigh.

Permits & Regulations in NC

  • North Carolina requires a general contractor license only for projects of $40,000 or more; painting and remodeling below that need no state license
  • Remodeling permits are issued by the local inspections department
  • Work that disturbs paint in homes built before 1978 must be done by a Lead-Safe Certified firm under the EPA Renovation, Repair and Painting Rule

License required: No state license under $40,000; NCLBGC above

Sources: www.nclbgc.org, www.epa.gov

Insulation FAQs for Raleigh

How much does attic insulation cost in Raleigh?

Blown-in attic insulation in Raleigh typically runs $1191-$2298 for a 1,000 square foot attic; spray foam costs two to three times more.

How many insulation contractors serve Raleigh?

We track 6 insulation contractors serving Raleigh.

Is insulation in Raleigh more expensive than average?

Installation labor in Raleigh runs about -14.9% versus the national average.

How much insulation does a home in Raleigh need?

Raleigh sees about 3,294 heating degree days and 1,687 cooling degree days a year; the colder the climate, the higher the attic R-value worth paying for.

Does insulation help with Raleigh summers?

Yes -- with summer highs near 90F in Raleigh, attic insulation cuts the heat load on the air conditioner as much as it holds heat in winter.

Do insulation contractors in NC need a license?

In NC, North Carolina requires a general contractor license only for projects of $40,000 or more; painting and remodeling below that need no state license. Adding attic insulation in Raleigh rarely needs a permit.

Is spray foam worth it in Raleigh?

Spray foam earns its price mainly when ducts or an air handler sit in the attic; otherwise blown-in at $1191-$2298 gets most Raleigh homes the same R-value for less.

How many quotes should I get for insulation in Raleigh?

Two or three; with 6 insulation contractors serving Raleigh, compare the R-value and depth each quote installs, not just the price.