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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon95
    Verified drywall insulation services reviews

Top-Rated Drywall insulation pros in Mascot - Updated Nov 2026

Avatar for USA Insulation of Knoxville
USA Insulation of Knoxville
4.9(
38
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Mascot, TN and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"The company rep came out as scheduled and conducted a thorough and professional estimate for the added insulation. Then the installers came out and again did an outstanding job adding insulation to our attic. They worked well as a team and did an excellent job."
Trucks
35 Years
35 Years
The Start
Blown In Insulation

+41

Response time1 day
Response rate92%
49 neighbors recently requested a quote
Avatar for Insulation Commandos
Insulation Commandos
5.0(
15
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Mascot, TN and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Matthew did a thorough quote at my house shortly before Thanksgiving. Matthew was very professional, on-time and friendly. The technology was impressive as you could see the ?cold spots? around my attic space. I plan to execute the job after the holidays. I highly recommend Matthew and Insulation Commandos if you need any insulation related work."
Project Photos
Project Photos
Project Photos
Response time12 hrs
Response rate100%
47 neighbors recently requested a quote
Avatar for RetroFoam of East Tennessee
RetroFoam of East Tennessee
5.0(
11
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Mascot, TN and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"Eddie fully explained the benefit of the planned level of insulation for our attic, uses quality Owen's Corning fiberglass blown in insulation and recommended adding an roof vent attic fan to remove heat/moisture in the summer and moisture in the winter. Currently, we have passive eve vents and roof ridge vent. Cooling inside of the roof with air flow should help extend the life of the shingles by removing stagnant hot air. We chose an electric roof vent fan rather than solar because of the # of cloudy days in our area and humidity. Everything was done quickly on scheduled time, all contacts were professional, kept our home as clean as possible and swept up loose insulation. Pricing was very competitive plus we qualified for TVA energy rebate."
Open cell spray foam
Open cell sprayfoam on attic wall
Open Cell spray foam on flat roof deck
Open cell spray foam on roof deck
Open cell on roof deck

+9

Response time8 hrs
Response rate95%
25 neighbors recently requested a quote
Avatar for On The Spot
On The Spot
5.0(
20
)
Blown-In Insulation - Install or Upgrade

Serving Mascot, TN and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Very professional, done a top notch job insulating my attic. Pricing was very reasonable and scheduling was punctual. Communicated through the job and finished up very quickly. Highly recommended"
Crawlspace
Crawlspace
Crawlspace
Crawlspace
Crawlspace

+4

17 neighbors recently requested a quote
Recommended by26%of homeowners
Avatar for East Tennessee Spray Foam, LLC
East Tennessee Spray Foam, LLC
New to Angi
Blown-In Insulation - Install or Upgrade

Serving Mascot, TN and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

We bring years of expertise and dedication to every project. With a strong background in customer service and technical proficiency, we prioritize delivering top-notch results that exceed expectations. Our commitment to continuous learning ensures that I stay updated with the latest industry trends and best practices. Whether it's troubleshooting complex issues or providing routine maintenance, we approach each task with precision and professionalism. Our goal is to build lasting relationships with clients based on trust, reliability, and exceptional service delivery. \n

Photos
Bonus Room
Bonus Room
Bonus Room
Bonus Room

+16

Response time2 days
Response rate100%
35 neighbors recently requested a quote
Avatar for On The Spot
On The Spot
5.0(
14
)
Blown-In Insulation - Install or Upgrade

Serving Mascot, TN and surrounding areas

In business since 2021

Free estimates

Credit card accepted

"James and his crew did a phenomenal job with the insulation job! His communication was great. Very honest and upfront about what can and can’t be done. No trying to finesse an upsale or anything like that. I'm very glad we went with James and I'd highly recommend him to anyone looking."
Crawlspace
Crawlspace
Crawlspace
Crawlspace
Crawlspace

+3

Response time8 hrs
Response rate100%
Avatar for Antunez Insulation
Antunez Insulation
4.4(
19
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Mascot, TN and surrounding areas

In business since 2021

Free estimates

Credit card accepted

"Milton and his associate arrived EARLY, they were very professional, had good equipment to work with. They added more than adequate insulation to our attic and cleaned up beautifully. When they left you would never know any work had been done as everything was left "squeaky" clean. They are the best and I would highly recommend their work."
Response time5 hrs
Recommended by100%of homeowners
Showing 1-10 of 48
Drywall Insulation FAQs, answered by experts

Plaster walls typically last between 30 and 70 years, but depending on the quality of the materials and the moisture levels in the building, they can last for over 100 years. With expert application and consistent maintenance, plaster can even last for centuries. To extend its lifespan, it is important to have the plaster professionally installed, address any water damage promptly, and repair small cracks as they appear. Regular inspections by a professional can help identify and address concerning cracks before they become significant issues.

Applying plaster to a wall will usually cost between $2 and $10 per square foot for both the material and labor. The cost will vary based on the quality of the plaster you’re using and whether or not prep work is required before the work begins. Wall prep can add up to about 10% to your total costs. Plastering exterior walls can be more expensive in many cases because they are taller and require scaffolding and safety equipment.

Cracks, water damage, and holes from fixtures or impact.

You can put drywall mud over paint to even out the surface or entirely resurface it. Sand the surface with 280-grit sandpaper, vacuum the debris and dust with a shop vac, and clean it with a slightly damp cloth. Allow the surface to dry. Apply drywall primer, especially if you’re skim-coating an entire wall. Apply the right type of drywall mud over the surface and smooth it with a trowel. Allow the layer to cure fully, then sand it before applying another layer or painting it.

Options include bricks, natural stone, and concrete blocks. Choose based on durability, aesthetics, and budget.

The Mascot, TN homeowners’ guide to drywall insulation services

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