How much does it cost to insulate or reinsulate an attic?

• <div>On average, insulating an attic costs about $2,500, with a typical range of $1,500 to $3,500. The final price often depends on the attic's size, with costs generally falling between $1 to $3 per square foot. For example, insulating a 1,800-square-foot attic would likely cost between $1,800 and $5,400.If the project involves removing old insulation, this can add an average of $900 to the total cost, bringing a full removal and reinsulation project to around $3,000.Several factors influence the overall cost:<ul><li>Insulation Type: Prices per square foot vary significantly by material.</li><li>Reflective: $0.50–$1.50</li><li>Blown-in: $1–$4</li><li>Batt: $2–$4</li><li>Loose-fill: $2–$5</li><li>Spray foam: $2–$5</li><li>Structural insulated panels (SIPs): $4–$7</li><li>Project Complexity: Factors like sealing air leaks, poor attic accessibility, and required inspections can add to the cost.</li><li>Removal Issues: The discovery of mold, asbestos, or pests during the removal of old insulation can substantially increase the price.</li></ul></div>

Should you cover the water spigot in winter?

• <div>Yes, you should add an insulative cover to outdoor water spigots in the winter for better protection against freezing. Make sure to use waterproof insulating material—something like a towel or old shirt can actually make the faucet more prone to freezing when the material soaks up rain or snow.</div>

What is insulation made out of?

• <div>Insulation can be made of cellulose, fiberglass, polyurethane, polystyrene, or mineral wool. Radiant barriers are often made of aluminum or other similarly reflective materials, but they will need to be paired with something else because they don’t provide heating benefits. Cellulose is among the most eco-friendly options and may be recycled when it’s past its shelf-life, whereas polyurethane and polystyrene both emit harmful compounds and will need to be handled with care during installation.</div>

Get matched with top insulation pros in Riverbank, CA

Enter your zip and get matched with up to 5 pros

Need a pro for your insulation service project in Riverbank, CA?

Select your specific project to find the pro for you.

TRUSTED BY RIVERBANK, CA HOMEOWNERS

4.6
Average homeowner rating
67
Verified insulation services reviews

Verified Reviews for Insulation Service pros in Riverbank, CA

*The Angi rating for Insulation Service companies in Riverbank, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

*The HomeAdvisor rating for Insulation Service companies in Riverbank, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

Last update on August 09, 2024

Reviewed in August 2024
I had old insulation in my attic and the temperature at home was not as pleasant as it should be. I hired CA Attic Solution for insulating our attic. The company insulated the attic in most professional way with high quality materials. There were onetime and responsive. I highly recommend this...
CA Attic Solutions Inc.
Request a quote
Reviewed in November 2023
Used Bautista's for a garage drywall and insulation project. Thomas did a great job completing the project on time and to my satisfaction. I would recommend for your drywall needs.
Bautista's Drywall
Request a quote
Reviewed in April 2023
I had American Restoration come out at insulate and build a wall in my garage. They did amazing service and it was done in an efficient manner. Iam very satisfied with the results and will be doing future work with them.
American Restoration Water, Fire and Mold Damage LLC
Request a quote
Reviewed in April 2023
UPDATE 4/25/2023 4 yrs after installation of a system that Bell Brothers designed and installed, my energy bills are higher than they were with the 20 yr old system it replaced. We have fewer people in the home, and it is supposed to be a high efficiency system. After numerous complaints,...
Bell Brothers Plumbing, Heating & Air Conditioning
Request a quote
Reviewed in February 2023
Anthony and Dante installed spray foam and fiberglass insulation for me, and I would recommend them.
Bay West Insulation Inc.
Request a quote
Reviewed in January 2022
Very professional and awesome price !!! I will tell everyone I know if they need insulation.
MasterGuard Insulation
Request a quote
Reviewed in August 2021
Very professional, listened to what we wanted, stayed in communication with us, answering all our questions and returning calls. Workers went straight to work and cleaned up after themselves. Only con was pricing for new insulation and new air conditioning ducts was a bit high.
Reliable Roofing Company
Request a quote
Reviewed in January 2021
The C.A.V. team was extremely professional, efficient, and friendly. Biancy was extraordinarily attentive inside my home while insulation was being blown-in from the exterior. She monitored every section to watch for dust seeping in and was ready to patch any gap to keep my home clean. The team...
C.A.V Insulation, Inc.
Request a quote
Reviewed in December 2020
Coldani Insulation 5 start review clean tidy and professorial , job got completed and happy with end results
Coldani Insulation & Garage Doors
Request a quote
Reviewed in November 2020
Mr Mark is a true professional. I would gladly recommend him . Covers the full scope of insulation. Sound proofing and rodent proofing too . Great job . Good man . Family values .
Thermo Bay Insulation
Request a quote

Insulation questions, answered by experts

On average, insulating an attic costs about $2,500, with a typical range of $1,500 to $3,500. The final price often depends on the attic's size, with costs generally falling between $1 to $3 per square foot. For example, insulating a 1,800-square-foot attic would likely cost between $1,800 and $5,400.

If the project involves removing old insulation, this can add an average of $900 to the total cost, bringing a full removal and reinsulation project to around $3,000.

Several factors influence the overall cost:

Insulation Type: Prices per square foot vary significantly by material.
Reflective: $0.50–$1.50
Blown-in: $1–$4
Batt: $2–$4
Loose-fill: $2–$5
Spray foam: $2–$5
Structural insulated panels (SIPs): $4–$7
Project Complexity: Factors like sealing air leaks, poor attic accessibility, and required inspections can add to the cost.
Removal Issues: The discovery of mold, asbestos, or pests during the removal of old insulation can substantially increase the price.

For standard 2x4 walls, the ideal insulation has an R-value between R-13 and R-15. This level of insulation, typically around 3.5 inches thick, fits well within the wall cavity. Common options include fiberglass batts and spray foam. The best choice for your home can depend on your climate; use R-value maps, like those from Energy Star, to determine the recommended level for your region. For colder climates, you might also consider adding exterior insulation for greater efficiency. Always check with your local building codes to ensure you meet any required standards.

Yes, you should add an insulative cover to outdoor water spigots in the winter for better protection against freezing. Make sure to use waterproof insulating material—something like a towel or old shirt can actually make the faucet more prone to freezing when the material soaks up rain or snow.

Insulation can be made of cellulose, fiberglass, polyurethane, polystyrene, or mineral wool. Radiant barriers are often made of aluminum or other similarly reflective materials, but they will need to be paired with something else because they don’t provide heating benefits. Cellulose is among the most eco-friendly options and may be recycled when it’s past its shelf-life, whereas polyurethane and polystyrene both emit harmful compounds and will need to be handled with care during installation.

A radiant barrier is a form of insulation topped with a reflective material designed to keep homes cool during hotter months. It is generally considered worth the investment if you live in a hot, sunny climate, as the cost can be recouped over time through lower energy bills. Installation costs typically range from $0.10 to $1 per square foot. After installation, homeowners in warm climates may save between $7 and $15 per month, potentially reducing their electric bill by 5% to 10%. The exact savings will vary depending on your location and the type of barrier chosen.

The Riverbank, CA homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles

Deane Biermeier
•
May 3, 2026May 3, 2026
How Much Does Ceiling Insulation Cost? [2026 Data]
Your home's ceiling insulation cost will depend on several factors, including the project size, the type of insulation you use, and the R-value.
Dan Simms
•
May 30, 2026May 30, 2026
How Much Does Attic Insulation Cost? [2026 Data]
Insulating your attic can massively improve your home’s efficiency and reduce electric bills. Use this guide to find out what attic insulation will cost you.
Haley Nothstein
•
May 30, 2026May 30, 2026
How Much Does Spray Foam Insulation Cost? [2026 Data]
Trying to calculate how much spray foam insulation costs? Our in-depth guide breaks down pricing by type, amount, and where you install it.
Scott Dylan Westerlund
•
May 3, 2026May 3, 2026
Should You Insulate the Attic Floor or Ceiling?
How to decide if you should add insulation to your attic floor or ceiling to make your home more efficient
Kyle Schurman
•
May 2, 2026May 2, 2026
Fiberglass Insulation vs. Foam Board: Pros, Cons, and Cost
When comparing fiberglass insulation versus foam board, each has certain areas where it works better. Learn more about these home insulation options.
C.E. Larusso
•
May 3, 2026May 3, 2026
How Long Does Insulation Last? A Comprehensive Guide to Replacing Your Home's Insulation
If your home’s temperature is uncomfortable or your energy bill is spiking, you should check your insulation. We'll help you find out if you should replace it.