Insulation Costs & Prices - ProMatcher Cost Report

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Insulation Costs & Prices

We have collected data nationwide to help calculate the average cost of insulation in the US. The following are average costs and prices reported back to us:

Cost of Blown Attic Insulation Installation

$1.18 per square foot (fiberglass or cellulose) (Range: $1.05 - $1.31)

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Cost of Rolled Insulation Installation

$1.02 per square foot (Range: $0.89 - $1.15)

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Cost of Spray Foam Insulation Installation

$1.99 per square foot (Range: $1.36 - $2.61)

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Cost of Reflective Insulation Installation

$1.87 per square foot (Range: $1.43 - $2.31)

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■	Insulation - Blown-In

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Insulation Cost Factors

Cost of Blown-in Insulation Installation

Learn about the factors that increase and decrease the cost of installing blown-in insulation.

Cost of Spray Foam Insulation Installation

Learn more about the factors that increase and decrease the cost of spray foam insulation.

Cost of Blanket Insulation Installation

Learn more about the factors that increase and decrease the cost of installing rolled and batted insulation.

Cost of Radiant Barrier Installation

How much does radiant barrier installation cost? Learn more about the factors that increase and decrease the cost of radiant barrier insulation installation.

Spray Foam Insulation Cost

How much does spray foam insulation cost? Find out more about the factors that impact the cost of spray foam insulation installation.

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Insulation Cost Data

80504, Longmont, Colorado - May 6, 2025

Blown Attic Insulation Installation

$1.25 to $2.25 per square foot (fiberglass or cellulose)
Our pricing is based on project scope, type of material (fiberglass or cellulose), and the total amount of material required. We provide clear estimates upfront and adjust pricing only if the scope changes.

Reported by:
Scott Weintraub, Colorado Insulation Experts
See the Longmont Insulation Cost Report

80504, Longmont, Colorado - May 6, 2025

Rolled Insulation Installation

$2.00 to $4.00 per square foot
Our pricing for rolled, batt, and blanket insulation varies based on the type of material (thermal, soundproof, vapor barrier), the area being insulated (walls, attics, basements), and the complexity of the install, including air sealing and prep work. We charge per square foot and provide detailed estimates based on actual scope, material choice, and time required to do the job right.

Reported by:
Scott Weintraub, Colorado Insulation Experts
See the Longmont Insulation Cost Report

29072, Lexington, South Carolina - October 9, 2023

Spray Foam Insulation Installation

$3.00 to $4.50 per square foot
Each house is different. Some are more difficult than others . Some have more space , some have stuff you have to work around . Prep is different which makes the job different so price varies depending on what's got to be done.

Reported by:
Bryant Bass, Poly Energy
See the Lexington Insulation Cost Report

82801, Sheridan, Wyoming - May 1, 2025

Reflective Insulation Installation

$3.90 to $4.30 per square foot

Reported by:
ProMatcher Research Team
See the Sheridan Insulation Cost Report

30248, Locust Grove, Georgia - March 19, 2025

Blown Attic Insulation Installation

$2.50 to $4.00 per square foot (fiberglass or cellulose)

Reported by:
ProMatcher Research Team
See the Locust Grove Insulation Cost Report

30248, Locust Grove, Georgia - March 19, 2025

Rolled Insulation Installation

$2.00 to $4.00 per square foot

Reported by:
ProMatcher Research Team
See the Locust Grove Insulation Cost Report

38506, Cookeville, Tennessee - April 6, 2021

Spray Foam Insulation Installation

$1.65 to $1.85 per square foot
we give a customer estimate and then a invoice we we get done...

Reported by:
Kyle Cooper, Energy 1 Foam Insulation LLC
See the Cookeville Insulation Cost Report

11961, Ridge, New York - October 21, 2024

Reflective Insulation Installation

$1.00 per square foot

Reported by:
ProMatcher Research Team
See the Ridge Insulation Cost Report

11961, Ridge, New York - October 21, 2024

Blown Attic Insulation Installation

$1.00 per square foot (fiberglass or cellulose)

Reported by:
ProMatcher Research Team
See the Ridge Insulation Cost Report

11961, Ridge, New York - October 21, 2024

Rolled Insulation Installation

$1.00 per square foot

Reported by:
ProMatcher Research Team
See the Ridge Insulation Cost Report

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Disclaimer: Costs and prices shown on the ProMatcher site are intended to be used as general information, not as guaranteed estimates. To obtain cost information relevant to your project, request a quote or estimate from a local service provider.