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TRUSTED BY WILMINGTON, DE HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon420
    Verified drywall insulation services reviews

Verified Reviews for Drywall Insulation pros in Wilmington, DE

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

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

Last update on September 29, 2025

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

Avatar for Insulation Guyz
Insulation Guyz
5.0(
82
)
Blown-In Insulation - Install or Upgrade

Serving Wilmington, DE and surrounding areas

Approved

In business since 2006

Free estimates

Small jobs welcome

"Mike and his assistant were very professional. They worked until eight at night to complete the job, (excellent work ethics ) both were very courteous and pleasant and a pleasure to have working at my home. The insulation in my pole barn turned out perfect, and I couldnâ t be happier. I will use them again for future projects. Rob W"
Response time2 days
2 neighbors recently requested a quote
Recommended by96%of homeowners
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Avatar for G.E.G. Enterprises, LLC
G.E.G. Enterprises, LLC
4.4(
205
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Wilmington, DE and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Credit card accepted

"Insulation team arrived on time, removed existing batts and replaced with green insulation brats. They cleaned the surrounding work areas and finished very quickly. I would easily hire them again and recommend them highly to others."
Blown-In Attic Insulation
Response time1 day
52 neighbors recently requested a quote
Recommended by93%of homeowners
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Avatar for E S G, Inc.
E S G, Inc.
4.7(
126
)
Blown-In Insulation - Install or Upgrade

Serving Wilmington, DE and surrounding areas

Approved

In business since 1981

Free estimates

Credit card accepted

"I have had good experience on a small project (installation of insulation blanket for basement) with Energy Services Group."
Freshly blown insulation with Baffles installed
Insulated foundation walls
Replacing damaged duct with new insulated duct
Newly installed crawl space access door
Insulated air tight pull down stair cover

+4

Response time12 hrs
Response rate95%
Recommended by97%of homeowners
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Avatar for MSJ Attic Insulation
MSJ Attic Insulation
5.0(
6
)
Blown-In Insulation - Install or Upgrade

Serving Wilmington, DE and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Did a great job on the insulation however they left a hole in the ceiling when they dropped something on the attic floor. Not a big deal but they need to be careful. Overall, amazing work they do all kinds of insulation and they also install radiant barriers on roof joists. They are reasonably priced and the crew is super friendly, pleasure to work with."
Business card
Poorly insulated
Poorly insulated
In progress
Radaint barrier

+6

42 neighbors recently requested a quote
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Avatar for Master Attic, LLC
Master Attic, LLC
4.8(
61
)
Blown-In Insulation - Install or UpgradeInsulation - Install or Upgrade

Serving Wilmington, DE and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Remove / Replace 45 year old attic insulation."
Crawlspace remediation, new batt insulation and moisture barrier encapsulation
Old insulation removal and replace with new batt insulation
Rodent hole on corner of roof
New Blown-in insulation
Crawlspace remediation, new insulation & moisture barrier encapsulation

+106

Response time2 days
Response rate100%
18 neighbors recently requested a quote
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Avatar for RetroFoam of Philadelphia
RetroFoam of Philadelphia
5.0(
22
)
Injection Insulation - Install

Serving Wilmington, DE and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"These guys were professional, on time and communicated very well... I would recommend this company to you for all your Spray Foam Insulation needs..."
RetroFoam Wall Insulation
Installing RetroFoam
RetroFoam with Siding
RetroFoam with Brick
Response time1 day
Response rate100%
121 neighbors recently requested a quote
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Avatar for Home Genius Exteriors
Home Genius Exteriors
4.9(
509
)
Blown-In Insulation - Install or Upgrade

Serving Wilmington, DE and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

Elevate your home with Home Genius Exteriors, setting the standard by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It?s time for a different experience, entrust your next home project to a genius and schedule your free inspection today!

Windows
Windows
Windows
Windows
Windows

+69

6 neighbors recently requested a quote
Recommended by49%of homeowners
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Avatar for Home Genius Exteriors
Home Genius Exteriors
4.9(
510
)
Blown-In Insulation - Install or Upgrade

Serving Wilmington, DE and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"Home genius just installed my roof the crew did a fabulous job and Joseph communicated with me from start to finish which made the process great. Thank you so much Joe ."
Windows
Windows
Windows
Windows
Windows

+75

Recommended by49%of homeowners
Request Quote
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.9(
540
)
Blown-In Insulation - Install or Upgrade

Serving Wilmington, DE and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"Joe and jason were very professional and made sure to clean everything perfectly while doing my attic insulation, I will be recommending them to everyone!"
Roofing
Roofing
Roofing
Roofing
Roofing

+82

Recommended by86%of homeowners
Request Quote
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Drywall Insulation FAQs, answered by experts

There are a few ways to figure out if your walls are plaster or drywall, but the pushpin method is probably the easiest option. To try it, choose a part of your wall where you can insert a pushpin or thumbtack without leaving an obvious mark. If it goes in easily, you have drywall. But if the wall is tough to penetrate, that’s plaster.

To maintain plaster walls, inspect them regularly for cracks and seal them early. Clean the walls by dusting regularly or using a gentle, damp cloth. It's also important to avoid moisture exposure. Repainting as needed will help maintain the wall's appearance and longevity.

The amount of drywall you need for a 1,000-square-foot basement depends on the ceiling height, angles, number of doors and windows, and more. To find the wall square footage, multiply the width and height of each wall, minus any gaps from windows or doors, and add the totals together. You’ll also need enough drywood nails or screws to install the drywall correctly.

Choose a drill bit that is the size of the screws of the anchors you will use. You aren’t drilling through metal or concrete—hopefully—so any standard twist, wooden or all-purpose drill bit will work fine. It’s also important to have a screwdriver capable of drilling through the drywall and into the stud. The good news is most available drills, even the older ones, can do this with no issue.

Plaster is a pretty tough surface, but it can still sustain damage from things like bumping against it, water issues, dampness, extreme humidity changes, and plain old age. Most plaster walls last hundreds of years and will only be taken down to the base layer when major repairs are required. Being cautious around the wall, not placing furniture against it, and ensuring stable humidity are all great ways to reduce possible damage.

The Wilmington, DE homeowners’ guide to drywall insulation services

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

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