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  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon137
    Verified drywall insulation services reviews

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

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

Serving Smyrna, DE and surrounding areas

Approved

In business since 2006

Free estimates

Small jobs welcome

"Michael and his guys did a great job putting blown in insulation in my attic and drywalled the ceiling. I will recommend them to anyone who needs this type of work."
Response time2 days
2 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for MSJ Attic Insulation
MSJ Attic Insulation
5.0(
7
)
Blown-In Insulation - Install or Upgrade

Serving Smyrna, 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

41 neighbors recently requested a quote
Avatar for RetroFoam of Philadelphia
RetroFoam of Philadelphia
5.0(
22
)
Injection Insulation - Install

Serving Smyrna, DE and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"We are extremely satisfied with the whole process of our house being insulated. First we had the walls done, and then a couple weeks later we had our attic insulated. The crew were so nice, friendly, and knowledgeable. We are very satisfied with everything. Thank you, everyone."
RetroFoam Wall Insulation
Installing RetroFoam
RetroFoam with Siding
RetroFoam with Brick
Response time1 day
Response rate100%
126 neighbors recently requested a quote
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.9(
515
)
Blown-In Insulation - Install or Upgrade

Serving Smyrna, DE and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"The Crew was informative, pleasant, and easy to communicate with. Whenever I brought up an issue, they addressed it and made the necessary corrections. Joseph Stanley was Prompt, professional, and maintained great communication throughout the process"
Windows
Windows
Windows
Windows
Windows

+69

27 neighbors recently requested a quote
Recommended by49%of homeowners
Avatar for Koala Insulation of Newark
Koala Insulation of Newark
4.7(
31
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Smyrna, DE and surrounding areas

In business since 2020

Free estimates

Warranties offered

"Can't say enough good things about this company, an overall pleasure to deal with. The owner responded fully to all my questions and the crew that came to do the work was excellent. The owner stopped by the second and final day to see how things had gone on the first and assure me that he and the crew were only a phone call away if I had any questions or issues. I have another insulation project and I intend to use Koala Insulation and I expect the same results. Thanks for the great job!"
Batt Rolled Insulation
Blown In Insulation
Spray Foam Insulation
Response time7 hrs
Recommended by92%of homeowners
Avatar for Insulation Geniuses
Insulation Geniuses
4.6(
9
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Smyrna, DE and surrounding areas

In business since 2016

Free estimates

Emergency services offered

"All punctual, polite, professionals, hard working, amicable, Alfredo Sotto was our installer and his crew member Ernie did an exemplary, and they were really neat. The co-owner Jeff who personally came to our house was informative. Phil gave the initial presentation on Monday May 8 he was very detailed and very convincing."
Another Happy Homeowner!
Aeroshield NASA Grade Insulation
Energy Star Attic Seal Process
Gable Attic Fan - SOLAR POWERED!  Runs for FREE and 25 Year Warranty!
AeroShield Installed over Blown-In gives you the right protection forever with it's LIFETIME Warranty!

+37

Recommended by88%of homeowners
Showing 1-10 of 33
Drywall Insulation FAQs, answered by experts

The best way to make long, straight cuts is to use a utility knife and a T-square to score the sheet, snap along the score, and then finish the cut by cutting through the paper on the opposite side with the utility knife. If you’re making small cuts, curved cuts, or cutouts for electrical boxes or light fixtures, you can use a manual jab saw to keep costs down, but an electric spiral saw or oscillating multi-tool will get the cleanest, fastest cuts possible.

Beadboard is a decorative element and lacks the structural integrity of drywall. It cannot hold much weight and is not meant to be used as an insulator or moisture barrier, like drywall is. In almost all cases, beadboard is placed over an existing wall surface which, in modern days, is usually drywall, but decades ago could have been wood paneling.

Pros ensure smooth finishes and lasting repairs, avoiding visible patches.

Installing or repairing plaster on ceilings differs slightly from performing the same motions on a wall. You’ll apply slightly less plaster to lower the overall weight of the ceiling. Wall texturing is common, whereas most ceilings are smooth plaster. Tough coat plaster is strong, meaning you can use less while retaining a solid surface.

The short answer is yes, a sagging plaster ceiling is dangerous. Sagging plaster on a wall is something you should fix immediately, but it isn’t a major concern. If the same type of sagging occurs on a ceiling, however, you could be in danger of your ceiling falling in large chunks. When plaster sags, it loses its strength and ability to hold itself up. The bonds that hold it together are strong, though, so if a sagging area falls, it will take large pieces down with it.

The Smyrna, DE homeowners’ guide to drywall insulation services

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