Get matched with top insulation pros in Saint Clair, PA

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

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

Q: What is the best type of insulation for crawl spaces?

• <div><p>Several types of insulation are effective for crawl spaces, with spray foam and rigid foam boards being two of the best options. Closed-cell spray foam insulation is a strong choice because it effectively repels moisture, resists biological growth, seals the air, and provides excellent thermal protection, especially in hard-to-reach areas. Rigid foam insulation boards are another excellent material as they insulate well, resist water damage, and will not settle over time like fiberglass or cellulose.</p></div>

Q: Does a garage ceiling need a vapor barrier?

• <div><p>A garage ceiling needs a vapor barrier if it&rsquo;s a heated garage or if you&rsquo;re installing insulation in the ceiling. Without a vapor barrier, you risk moisture issues and mold growth. If you have an unheated garage and don&rsquo;t plan on installing insulation that could get wet and harbor mold, the ceiling doesn't need a vapor barrier. </p></div>

Q: How long does garage door insulation last?

• <div><p>Garage door <a href="https://www.angi.com/articles/how-long-does-a-house-last.htm">insulation can last</a> anywhere from 20 to 100 years depending on the type of insulation. Cellulose has the shortest lifespan coming in at between 20 and 30 years, while spray foam, mineral wool, and fiberglass can last between 80 and 100 years with proper maintenance. </p><p>Humidity plays a role in how long more susceptible insulation materials&mdash;like fiberglass&mdash;last. Once fiberglass batts reach the 15-year mark, you'll need to routinely inspect your insulation to ensure that it is in mint order.</p></div>

Q: Where should you not put insulation in the attic?

• <div><p>Don&rsquo;t install insulation near water heaters, oil burners, or any other object that gets hot. Many insulation materials are fire-resistant, but not entirely fire-proof, so you should take precautions to keep hot things away from fiberglass. This is also why it is imperative to box off lighting fixtures and breaker boxes.</p></div>

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Verified Reviews for Insulation Service pros in Saint Clair, PA

*The Angi rating for Insulation Service companies in Saint Clair, PA 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 Saint Clair, PA 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 April 15, 2026

Reviewed in April 2026
Had new board and batton siding as well as black gutters and black soffiting. looks beautiful. installers were very detailed and made sure it was done right. very satisfied.
Power Home Remodeling
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Reviewed in July 2025
Worked diligently all day to achieve the best exterior home cleaning! Both courteous and efficient… would not hesitate on hiring this company again!
MK Pressure Washing, LLC
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Reviewed in May 2023
Ryan was very professional, and courteous and prepared my 12x18 shed pad perfectly! He has quality equipment and really knows what heâ s doing! He did such a good job, my neighbor hired him for his building lot preparation! I would highly recommend him for any of your projects that require...
Poletti Excavating
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Reviewed in March 2023
Late on July 8th, my AC unit decided it no longer wanted to cool my house down. I called a local service first thing Monday morning on the 11th and I was told that no one could get to my location till late Thursday, 14th. They did arrive on that day and told me I needed a whole new AC system and...
5 Star Heating & Air
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Reviewed in September 2021
Very satisfied with the work that was done. Walls Services were friendly and kept in contact with me through the whole process. I also appreciated their attention to detail. Very happy with the end product.
Walls Services
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Reviewed in May 2014
The kitchen was started in January and the first thing that had to be done was completely gutting the kitchen. Chris then installed new insulation and all of the wiring, and the new walls. He let me select the cabinets and the tiles for the floor. He was very helpful with dealing with Lowe's...
Helping Hands Home Improvement LLC
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Reviewed in April 2014
WE STARTED OUT WITH A STANDARD CONSTRUCTION OF SIDING DOORS 2 FRONT WINDOWS AND WENT TO; SIDING,I PAID FOR 1 STORM 1 REGULAR KITCHEN DOOR PAINTED THE WAY I WANTED. RIP OFF CLABBERS AND HE USED MORE THAN HALF OF OUR DUMPSTER FOR WASTE AND WAS SUPPOSED TO PAY FOR HALF OR WHAT HE USED. THIS WAS...
D K General Contracting
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Reviewed in January 2013
I met with Patrick Harach to discuss some work to be done. He contacted me promptly and was pleasant. He measured my kitchen and my garage roof as well as the rain gutter on the garage. He gutted my kitchen to the bare studs and rewired, ran new plumbing and insulated the walls before...
Harach Contracting
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Reviewed in September 2012
Hahner Brothers had previously replaced our shingled/peaked roof in an earlier job. Both jobs were finished promptly, and the workers removed all trash from our property. While the quote they gave me for both jobs was not the lowest I received, they used better-quality materials, used techniques...
HAHNER BROTHERS ROOFING
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Find Insulation pros in Saint Clair

Bullseye Garage Doors & Insulation

5.0(

)

Serving Saint Clair, PA and surrounding areas

In business since 2025

Free estimates

Emergency services offered

We are your locally owned, expert residential Garage Door installations and repair service! \n\nAt Bullseye Garage, we pride ourselves on being Pennsylvania’s premier choice for all garage door needs. With a legacy of excellence and a commitment to superior craftsmanship, we specialize in the installation, repair, and maintenance of residential garage doors.\n\nOur team of skilled technicians brings a wealth of experience and a passion for delivering exceptional service, ensuring your garage doors operate flawlessly and enhance the security and aesthetic of your property.\n\nWe believe in building lasting relationships with our clients, offering personalized solutions and honest, transparent communication every step of the way. Whether you need a quick repair or a custom installation, Bullseye Garage Doors is your trusted, locally owned and operated partner for reliable and high-quality garage door services.

Our state of the art trucks are fully loaded and ready to handle any of your garage door needs

Canyon Ridge Elements - Woodgrain Overlay

7 neighbors recently requested a quote

Recommended by33%of homeowners

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Sunset Acre Spray Foam

5.0(

)

Serving Saint Clair, PA and surrounding areas

In business since 2019

Free estimates

"Excellent. Prompt,efficient, professional. My garage is warmer and quiet. I would not hesitate to recommend Green Valley for any house or building you need insulated."

Recommended by100%of homeowners

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UGI Heating Cooling & Plumbing

4.4(

)

Serving Saint Clair, PA and surrounding areas

In business since 1892

Free estimates

Emergency services offered

"I have a contract with them. It took them quite a few times, but I think they finally fixed the problem that I had with my heating unit. Everybody was polite and caring. It took 5 or 6 visits for them to figure out what the problem was. I think and hope so the issue is resolved. My overall experience was very good. The quality was okay."

Recommended by95%of homeowners

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American Home Shield – Home Warranty

3.5(

5,688

)

Serving Saint Clair, PA and surrounding areas

In business since 1971

Credit card accepted

"Roberto was the technician and he was very professional, polite, and personable. He inspected the rest of our system and told us things that needed to be changed or repaired. He showed me pictures of everything. Everything he told me about was accurate. He quoted me a price for R38 insulation , Some of our ducts were plastic and he recommended them to be changed. I agreed completely and didn't know they were plastic. I would have had them done the work but I had no price comparisons to make and besides I didn't have the money right then. So he just finished the vent cleaning and left his card. He did a great job on the vent cleaning and was happy with the work."

Recommended by65%of homeowners

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Hampton Enterprise LLC

3.7(

)

Serving Saint Clair, PA and surrounding areas

In business since 1989

Free estimates

Emergency services offered

Our mission at Hampton Enterprise LLC is to provide clients with superior customer service, quality work and speedy service in all aspects of their home improvement needs. Licensed, insured and trusted since 1989; come discover the Hampton difference today!\n\nWe specialize in the installation and repair of Windows, Doors, Flooring, Sinks, Bathtubs, Showers, Sprinkler Systems and much more. We also offer Interior and Exterior Home Painting, Custom Welding Fabrication and Carpentry.Localy in your area just call and i will call back with a local number thank you . from James Hampton\n\nAL.Dothan 334-648-3817,\nAL Birmingham 334-648-3817,\nAL Huntsville 334-648-3817,\nAL Mobile 334-648-3817,\nAL Tuscaloosa 334-648-3817,\nAL Montgomery 334-578-4761,\nAR Little Rock 334-648-3817,\nAZ Phoenix 334-648-3817,\nCA LosAngeles/Sacramento 334-648-3817,\nCO Denver/Colorado Springs 334-648-3817,\nCT Hartford 334-648-3817,\nDE Dover 334-648-3817,\nFL Tallahassee 334-648-3817,\nFL Cape Canaveral/ Cocoa 334-648-3817,\nFL. Destin 334-648-3817,\nFL Gainsville 334-648-3817\nFl Jacksonville 334-648-3817,\nFL Orlando 334-648-3817,\nFL Panama City 334-648-3817,\nFL Tampa 334-648-3817,\nFL Miami 334-648-3817,\nGA Atlanta 334-648-3817,\nGA Albany 334-648-3817,\nGA Augusta 334-648-3817,\nGA Columbus 334-648-3817,\nGA Macon 334-648-3817,\nGA Valdosta 334-648-3817,\nIA Des Moines 334-648-3817,\nID Boise 334-648-3817,\nIL Chicago/Springfield 334-648-3817,\nIN Indianapolis 334-648-3817,\nKS Levenworth/Topeka 334-648-3817,\nKY Frankfort 334-648-3817,\nLA New orleans/Baton Rouge 334-648-3817,\nMA Boston 334-648-3817,\nMD Annapolis 334-648-3817,\nME Augusta 334-648-3817,\nMI Detroit/Lansing 334-648-3817,\nMN Saint Paul 334-648-3817,\nMO kansas City/Jefferson City 334-648-3817,\nMS Jackson 334-648-3817,\nMS Biloxi 334-648-3817,\nMS Gulf Port 334-648-3817,\nMT helena 334-648-3817,\nNC Raleigh 334-648-3817,\nND Bismark 334-648-3817,\nNE Lincoln 334-648-3817, \nNJ Trenton 334-648-3817,\nNM Santa Fe 334-648-3817,\nNV Carson City 334-648-3817,\nNV Las Vegas 334-648-3817\nNY Albany 334-648-3817,\nOH Columbus 334-648-3817,\nOK Oklahoma Ciy 334-648-3817,\nOR Salem 334-648-3817,\nPA harrisburg 334-648-3817,\nRI Providence 334-648-3817,\nSC Columbia 334-648-3817,\nSD Pierre 334-648-3817,\nTN nashville 334-648-3817,\nTX Austin 334-648-3817,\nUT Salt Lake City 334-648-3817,\nVA Richmond 334-648-3817,\nVT montpelier 334-648-3817,\nWI Madison 334-648-3817,\nWV Charleston 334-648-3817,\nWY Cheyenne 334-648-3817

Recommended by60%of homeowners

Serving Saint Clair, PA and surrounding areas

In business since 1993

Free estimates

Emergency services offered

I am an 11 year Proud Veteran of these United States and employ the same precision and determination for undertaking any of your household needs. I look forward in helping you meet your goals and meeting your objectives where i can help. Please feel free and contact me. Never a cost for an estimate. Ken Snead

+11

Recommended by75%of homeowners

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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.

Several types of insulation are effective for crawl spaces, with spray foam and rigid foam boards being two of the best options. Closed-cell spray foam insulation is a strong choice because it effectively repels moisture, resists biological growth, seals the air, and provides excellent thermal protection, especially in hard-to-reach areas. Rigid foam insulation boards are another excellent material as they insulate well, resist water damage, and will not settle over time like fiberglass or cellulose.

A garage ceiling needs a vapor barrier if it’s a heated garage or if you’re installing insulation in the ceiling. Without a vapor barrier, you risk moisture issues and mold growth. If you have an unheated garage and don’t plan on installing insulation that could get wet and harbor mold, the ceiling doesn't need a vapor barrier.

Garage door insulation can last anywhere from 20 to 100 years depending on the type of insulation. Cellulose has the shortest lifespan coming in at between 20 and 30 years, while spray foam, mineral wool, and fiberglass can last between 80 and 100 years with proper maintenance.

Humidity plays a role in how long more susceptible insulation materials—like fiberglass—last. Once fiberglass batts reach the 15-year mark, you'll need to routinely inspect your insulation to ensure that it is in mint order.

Don’t install insulation near water heaters, oil burners, or any other object that gets hot. Many insulation materials are fire-resistant, but not entirely fire-proof, so you should take precautions to keep hot things away from fiberglass. This is also why it is imperative to box off lighting fixtures and breaker boxes.

The Saint Clair, PA 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

Kate Fann
•
Apr 16, 2026Apr 16, 2026
How Much Does It Cost to Insulate a Wall? [2026 Data]
How much does it cost to insulate a wall? This guide breaks down the associated costs and variables to consider when setting your project budget.
Rachel Hoffman
•
May 30, 2026May 30, 2026
How Much Does Blown-In Insulation Cost? [2026 Data]
The cost of blown-in insulation costs varies depending on the type of insulation, labor, prep work, and more. Learn more about the cost factors in this guide.
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.
Allie Ogletree
•
May 3, 2026May 3, 2026
Should You Remove Old Insulation Before Adding New Insulation?
Removing old insulation may be necessary for upgrading your insulation. Keep reading to see if you should remove old insulation before adding new insulation.
Xiao Faria daCunha
•
Apr 9, 2026Apr 9, 2026
Non Fiberglass Insulation: Top Alternatives
Learn about non fiberglass insulation alternatives, including cellulose, soy, wool, blown-in, spray foam, cotton insulations, radiant barriers, and new materials.
Mariel Loveland
•
May 22, 2026May 22, 2026
4 Insulation Health Hazards and How to Prevent Them
It may keep your home warm and toasty, but is insulation dangerous? Learn four potential insulation health hazards, and how to prevent them from occurring.