Attic Insulation Cost Estimator
Attic Insulation Cost
Attic insulation costs $2 to $6 per square foot installed, depending on the type, R-value, job size, and complexity. The average cost to insulate an attic is $1,500 to $3,200. Small attic insulation costs start at $700, while insulating large attics costs up to $6,500.
Spray foam offers the best attic insulation performance available. Choose from two types: closed-cell and open-cell, aka 2-pound and ½-pound, respectively. They sport insulation values of approximately R-6.5 and R-3.6 per inch, respectively.
Frequently Asked Questions ( FAQs)
The recommended level for most attics is to insulate to R-38 or about 10 to 14 inches, depending on insulation type.
Mineral wool and real wool blown-in are less common but are healthier choices.
We Have Delivered More Then
Estimates For Residential and Commercial Projects
Enter Your Email To Download Sample For Estimate
Blown-in attic insulation cost
Blown-in insulation costs $960 to $3,800 on average or $0.96 to $2.90 per square foot, depending on the attic size, R-value, and the amount of fixture damming and air sealing needed. Blown-in attic insulation is ideal for most attics because it effectively fills gaps and irregularly shaped areas.
Attic spray foam insulation cost
Attic spray foam insulation costs $2.00 to $5.50 per square foot or $0.80 to $3.90 per board foot, depending on the type, R-value, and job size. Attic spray foam insulation costs $1,400 to $7,300 on average for the floor and $2,000 to $9,500 for the rafters and roof deck.
| Location | Average cost installed |
|---|---|
| Attic floor | $1,400 – $7,300 |
| Attic rafters/roof deck | $12,000 – $9,500 |
Get Your Ebook of Top 10 Tips To Submit Better Bids
Contractors can win more bids with the right strategies of bidding. We have shared secrets for residential and commercial bids.
Structural insulated panels prices (SIPs)
Structural insulated panels (SIPs) cost $6 to $14 per square foot for the material alone, depending on the thickness. SIPs are large panels – 4′ x 8′ up to 8′ x 24′ – primarily used in new construction but sometimes installed at the rafters when converting an attic to a conditioned space.
Loose-fill attic insulation cost
Loose-fill attic insulation costs $2.00 to $3.50 per square foot installed on average. Loose-fill insulation is the same material as blown-in, but the labor cost is slightly higher to install.
Loose-fill works best for:
Cost factors to install or replace attic insulation
Replacing attic insulation costs $3 to $8 per square foot, including $2 to $4 per square foot to remove the old insulation. Additional costs may be required for air sealing or encapsulating, cleaning, or making repairs in the attic:
Attic insulation removal cost
Attic insulation removal costs $2 to $4 per square foot on average, depending on the amount and type. Remove old insulation if it has fire, water, or pest damage or if the material is hazardous. Removing insulation also exposes the area to seal all penetrations.
We Have Delivered More Then
Estimates For Residential and Commercial Projects
Enter Your Email To Download Sample For Estimate
Choose Your Trade & Get a Sample Project
Google Reviews
Process To Get Attic Insulation Cost Estimate Report
Here I am going to share some steps to get your attic insulation cost estimate report.
