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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon157
    Verified insulation services reviews

Find Insulation pros in Alexander

Avatar for FF Adhesive & Insulation, LLC
FF Adhesive & Insulation, LLC
4.4(
65
)

Serving Alexander, NC and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"Great guys, hard working,explained everything. Highly recommend this business. The difference doing the closed spray insulation made in my house was unbelievable!"
Response time3 days
54 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for The Foam Guy, LLC
The Foam Guy, LLC
4.8(
37
)

Serving Alexander, NC and surrounding areas

Approved

In business since 2017

Free estimates

Small jobs welcome

"No need to find anyone else to do spray foam insulation. Zack's professionalism is how every business should operate."
Metal building
Metal shop
Metal shop
Metal shop
Office space

+29

Response time3 days
30 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.9(
385
)

Serving Alexander, NC and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Credit card accepted

"These guys were great. Allen met me at the door with a firm handshake told me what they were about to do and if I had any questions just ask. Leo was just as professional during insulation and got the job done in 3 hours. Dylan kept me up to speed during both projects and was very helpful. Easy reccomendation."
Windows
Windows
Windows
Windows
Attic Insulation

+46

Recommended by97%of homeowners
Your Problem Solved NC, INC.
5.0(
15
)

Serving Alexander, NC and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Dylon is a very knowledgeable and skilled expert across many mechanical systems, and is ready to service fireplaces as he did for us or furnaces or boilers or plumbing systems he knows electrical he knows natural gas, he just knows his stuff. His reliable and his work as high-quality."
Response time8 hrs
Response rate98%
5 neighbors recently requested a quote
Avatar for Home Field Insulation of Asheville
Home Field Insulation of Asheville
New to Angi

Serving Alexander, NC and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

Home Field Insulation of Asheville is committed to excellence in every aspect of our\nbusiness. We uphold a standard of integrity bound by fairness, honesty,\nand personal responsibility. Our distinction is the quality of service\nwe bring to our customers. Accurate knowledge of\nour trade combined with ability is what makes us true professionals.\nAbove all, we are watchful of our customers' interests and make their\nconcerns the basis of our business.

Home Shield Insulation
32 neighbors recently requested a quote
Avatar for Top Below Insulation
Top Below Insulation
New to Angi

Serving Alexander, NC and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's custom needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

17 neighbors recently requested a quote
Higher Ground Attic & Crawl Space Handyman
New to Angi

Serving Alexander, NC and surrounding areas

Approved

In business since 2025

Small jobs welcome

With over 8 years of experience in the weatherization / home energy efficiency field, I'm looking to do small improvements that make a huge difference in your crawl space, attic, or other areas of your home. \n\nAttic services: air sealing, hatch insulation & weather stripping! \n\nCrawl space services: dehumidifier ducting, dehumidifier maintenance, tape seam repair / improvements, sealing encapsulation to wall, membrane repair, band joist seal / insulation, vapor barrier installation, floor insulation repair / install. \n\nPerhaps whoever did your encapsulation didn't seal seams correctly or seal the encapsulation to the wall. Maybe they installed a dehumidifier without ducting or you're not on a yearly maintenance plan. Let me help you! \n\nOther services: HVAC duct sealing and duct insulation. HVAC duct replace / repair, duct board repair, dryer duct cleaning.

1 neighbors recently requested a quote
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Insulation questions, answered by experts

The lifespan of insulation depends on the material type. Fiberglass can last between 80 and 100 years, but it is important to start checking it around the 15-year mark. Spray foam has a lifespan of up to 100 years, and mineral wool can last up to 100 years. Cellulose, an eco-friendly option, has a lifespan of 20 to 30 years.

Ideally, you can add new insulation to your existing insulation. However, some circumstances require you to remove old insulation before adding any new insulation: 

  • If the insulation is over 15 years old

  • If the insulation is wet or moldy

  • If it is vermiculite insulation

  • If you see signs of pest infestation

Removing old insulation is best left to a pro who can safely dispose of potential moldy or asbestos-ridden insulation.

The average cost to install insulation is around $1,800, but you could pay anywhere between $500 and $4,500, depending on various factors. Some of the things that have a significant influence on your pricing include the following:

  • Size of the area 

  • Type and R-value of the insulation 

  • Whether your space is finished or unfinished

  • Accessibility of the area

  • Your geographical location

  • Amount of site preparation, especially for blown-in insulation

  • Whether or not you need old insulation removed

The lifespan of crawl space insulation depends on how well you maintain your insulation and the type of insulation. Fiberglass will need replacing every 15 to 20 years on average if you don't have a vapor barrier in place. If you do have vapor barriers in place, then your insulation could last much longer. Spray foam insulation can last anywhere from 80 to 100 years. 

Rigid foam board insulation is one of the safest insulation materials for basement walls. The panels offer a moisture barrier to prevent mold and mildew build-up. At the same time, this material is also fire-resistant, so you don’t have to worry as much about a fire breaking out as you would with spray foam insulation. 

The Alexander, NC homeowners’ guide to insulation services

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