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TRUSTED BY WASHINGTON, NJ HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon21
    Verified drywall insulation services reviews

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

Avatar for Home Insulation Experts, Inc.
Home Insulation Experts, Inc.
4.9(
1,211
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Washington, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Warranties offered

"Greatest foam insulation installers. They serve residential and commercial businesses as well as attic spray foam insulation. Not only did they recommend the appropriate amount of insulation that I needed they removed my old insulation and installed new one. This new insulation has definitely made my home more energy efficient."
Fiberglass Insulation
Cellulose Insulation
Fiberglass Batt Insulation
Dense Pack Wall Insulation
Closed Cell Spray Foam

+10

Response time9 hrs
Response rate99%
328 neighbors recently requested a quote
Avatar for Jersey State Insulations
Jersey State Insulations
5.0(
20
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Washington, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Emergency services offered

Warranties offered

"I can’t say enough nice things about Jersey State Insulation. Sebastian and his crew are absolutely amazing. They work very hard and are very conscientious of your home. When they did the insulation on my home they were very careful when moving things around and cleaning up after the job was done. Sebastian is very friendly and made every effort to explain everything and make sure I was happy with the work being done. I met with other insulation companies, but none seemed nearly as competent as Jersey State. The others wanted to charge me a lot more for something I didnt think I needed. The others though my problem was only the attic. Sebastian inspected the attic and said there was nothing it needed. Other contractors didn’t even want to attempt blow-in insulation, but Sebastian and his crew did it and the result is fantastic"
Insulation Project
Removal and re installation
Insulation Project
Bernardsville cinema 3
Insulation Project

+52

Response time10 hrs
Response rate100%
9 neighbors recently requested a quote
Avatar for RetroFoam of Philadelphia
RetroFoam of Philadelphia
5.0(
22
)
Injection Insulation - Install

Serving Washington, NJ and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"Hired Retro Foam of Philadelphia to install foam insulation on 3 sides of my townhouse on Wildwood Crest. They did a great job, the team of Frank, Mike, Kevin and Keith were very respectful of our property, They were very friendly and mannerly during the process. when they left, you did not even know they were at my home. Great Job Bob/Jackie Marnie"
RetroFoam Wall Insulation
Installing RetroFoam
RetroFoam with Siding
RetroFoam with Brick
Response time1 day
Response rate100%
135 neighbors recently requested a quote
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.8(
352
)
Blown-In Insulation - Install or Upgrade

Serving Washington, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Credit card accepted

"I have only glowing things to say about our experience using Home Genius Exteriors. From the thorough initial estimate and comprehensive inspection of the worksite and what the job would entail to the final bit of blown-in insulation, our multi-team project was completed to our satisfaction in a timely and professional manner. In the course of four days, we had a new roof, new trim, new gutters, and new insulation. Each part of the project required a different team. Each crew finished their task within the projected timeframe. Home Genius coordinated everything, including ordering and delivering the materials and arranging for the delivery and removal of the dumpster. Thanks to our Project Coordinator Ivan, every step in the process went smoothly. He arranged for workers to be at our home on consecutive days: we did not have any time in between steps waiting for availability of the next team. Ivan kept us informed of progress at every step of the way."
Roofing
Roofing
Roofing
Roofing
Roofing

+74

Recommended by72%of homeowners
Avatar for Atticrawl, LLC
Atticrawl, LLC
4.7(
18
)
Blown-In Insulation - Install or Upgrade

Serving Washington, NJ and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

Welcome to Atticrawl, LLC \nWe pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

Attic Insulation
Attic Insulation
55 neighbors recently requested a quote
Recommended by62%of homeowners
Avatar for High Point Insulation, LLC
High Point Insulation, LLC
3.7(
3
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Washington, NJ and surrounding areas

Approved

In business since 2023

Free estimates

Warranties offered

"High Point Insulation, LLC is a trusted insulation contractor serving the greater Lehigh Valley, Pocono Township, and Central Jersey areas. We have 9 years experience and specialize in providing residential and commercial clients with superior insulation solutions."

3 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Quarts Insulation, Inc.
Quarts Insulation, Inc.
4.7(
552
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Washington, NJ and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Home Insulation Experts did an outstanding job insulating my recently purchased home. Right from the moment i met Allen ,i felt confident thatthis was the company to go with for my insulation needs. If you are looking for an insulation experts you can trust and that does an excellent job this is it. Great price too."
Blow In Fiberglass Insulation
Before clean up
Fiberglass Batt Insulation
Before clean up
During the job

+19

Response time12 hrs
Response rate88%
Recommended by91%of homeowners
Avatar for Enviro FoamTek, LLC
Enviro FoamTek, LLC
4.3(
22
)
Injection Insulation - Install

Serving Washington, NJ and surrounding areas

In business since 2012

Free estimates

Credit card accepted

Enviro FoamTek, LLC, is your premier provider of spray foam insulation in the state of New Jersey. With many satisfied homeowners over the years, we are confident that you will be satisfied with our level of professionalism and pride in our work. \nFeel free to contact us today!

Barn
Recommended by100%of homeowners
Avatar for Metro NY Insulation
Metro NY Insulation
4.5(
6
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Washington, NJ and surrounding areas

In business since 2005

Credit card accepted

"Good service.  There was one minor glitch which Howard's crew corrected immediately when an air conditioning duct disconnected allowing some insulation to fall into the room below.  Although some dust should be expected with the finished job, they were relatively clean and did their best to minimize dust.  This was important because of asthma in the family.  Howard saved us money by recommending a different attic door baffle than we had purchased (and then returned).  Energy costs to heat and cool the house have decreased since the completion of the job."
Rafter Chutes
Recessed Light Covers
Cellulose Installed
Recommended by83%of homeowners
...
Showing 1-10 of 67
Drywall Insulation FAQs, answered by experts

In most cases, no, you won’t need a permit to replace drywall. If you’re changing the floorplan of your home by adding or removing walls during the drywall project, then you might need a permit, but replacement or repairs usually doesn’t require a permit. Your drywall professional should be able to confirm whether or not a permit is required for your project. If it is, it’s likely to add between $50 and $150 to your total cost. Keep in mind that you will need permits if you plan to install new electrical wiring or plumbing lines behind your new drywall.

Plaster ceilings can sag for several reasons. In some cases, the plaster and other building materials shift and come apart over time, which is why you’ll commonly find drooping plaster ceilings in older homes. Improper installation, foot traffic, and water damage—often from a leaky roof or a broken pipe—can also cause plaster ceilings to sag.

Yes, drywall can hold a 50-pound TV. However, when mounting a TV, you’ll either need to attach it to wall studs or use drywall anchors. If you use anchors, make sure to buy a type that can hold at least 50 pounds. Molly bolts, threaded anchors, and toggle bolts are all good options. For extra support, you can also install a wall mounting plate with the anchors.

Yes, you can install drywall over plaster, but there are important factors to consider. While it can create a smooth, flat surface, it is often not the best approach. Installing drywall over plaster will increase the wall's thickness, which can cause issues with existing window and door frames that may no longer fit. You might also need to adjust power outlets to keep them accessible. A better, though more expensive, option is to remove the old plaster and lath entirely before installing new drywall. Drywalling directly over plaster seals in the old material, and if any problems arise later, you will need to remove both layers down to the structural beams for repairs. Given the potential complications, this job is best handled by professionals.

Plaster provides a durable, soundproof, and moisture-resistant finish compared to drywall.

The Washington, NJ homeowners’ guide to drywall insulation services

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