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TRUSTED BY WILMINGTON, DE HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon426
    Verified drywall insulation services reviews

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
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

"G.E.G. did a great job installing blow in insulaltion in my attic. They were quick and prepared. My only wish is they would have been able to pull up more of the unused attic flooring and gotten more insulation under it, though they were able to increase insulation in other areas."
Blown-In Attic Insulation
Response time1 day
52 neighbors recently requested a quote
Recommended by93%of homeowners
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
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

"Contacted Master Attic via Angi and Alex, the technician came to evaluate our attic and crawl space (2 separate spaces in our house). We heard critter noises and our upstairs was hot in the summer. The insulation was original to the ~30 year old house, so we know it's about time to get it done. Alex checked both spaces and showed us photos of problem areas. We have an estimate and Alex explained the details of the work involved. The team came within the week (we lucked out to take the spot of a cancellation), and everything was done as expected. There was a lot of work to remove old insulations, vacuum all debris, sanitize the space, seal all air gaps, install baffles, rodent proof, and install new insulation. The work was completed in around 6 hours, the spaces are now clean and tidy - quite unbelievable given how they were before. We went for the heavier insulation which is reflected in the project cost."
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
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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Drywall Insulation FAQs, answered by experts

Brick and stucco are a lot more different. You must use picture hanging clips designed for brick walls, or use a plaster rail system with adjustable hooks. Any other type of hanging hardware will cause damage to the bricks behind. You won’t be able to really use nails, either, because they’re not strong enough to go into the bricks.

All plaster walls will crack over time due to normal house settling and expansion and contraction from temperature and moisture changes. Small, thin hairline cracks are generally not serious and are mostly a cosmetic issue. However, larger or more significant cracks can indicate structural problems.

Here's how to tell the difference:

  • Cosmetic Cracks: Cracks that are 0.5 cm (0.2 inches) or thinner are typically cosmetic.

  • Structural Cracks: Cracks wider than 0.5 cm, excessive or deep cracks, multiple cracks in the same area, or cracks that span around corners can signify a structural or foundation issue. Cracks along the joints where walls meet the ceiling also warrant attention.

For cracks wider than 0.5 cm, structural repair is needed. If a crack is 2.5 cm (1 inch) or wider, or if you notice any signs of a structural problem, it is best to contact a plaster repair professional to assess the damage.

While you can put new drywall over old drywall, it’s not always the best option. In some cases, drywalling over drywall can make it harder to find wires and pipes behind your walls and conceal more serious problems with your walls. It can also make the room smaller. On the plus side, putting drywall over drywall can improve soundproofing and insulation. Plus, it’s often less expensive than tearing down and adding new drywall.

A local drywall contractor can texture your drywall for you. Drywall contractors are a better choice than general handy people because the contractors have a lot of experience working with drywall mud. The process is somewhat of an art thanks to the complexity of working with the mud, so call in a drywall pro who knows what they’re doing.

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.

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.