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    Verified drywall insulation services reviews

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

Avatar for Home Genius Exteriors
Home Genius Exteriors
4.8(
410
)
Blown-In Insulation - Install or Upgrade

Serving Walterboro, SC and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

Elevate your home with Home Genius Exteriors, setting the standard in Charleston 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!

Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing

+53

454 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Barrier South
Barrier South
4.8(
15
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Walterboro, SC and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Credit card accepted

"The process to remove the blown in insulation and the install of the foam was a 2 day process. The guys were efficient with their time and did a great job. I am happy with the results"
Attic Insulation - Open Cell - nominal 5" - R
Attic Insulation - Open Cell - nominal 5" - R
Attic Insulation - Open Cell - 10.5" - R-38
Exterior walls - open cell walls - R-13 value
Shaved flushed for sheet rock.

+4

Response time2 days
131 neighbors recently requested a quote
Recommended by21%of homeowners
Avatar for Coastal Synergy, LLC
Coastal Synergy, LLC
4.8(
4
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Walterboro, SC and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

Welcome to Coastal Synergy, proudly servicing Statesboro and the surrounding areas. Our goal is to complete your project to perfection. We look forward to building long lasting relationships with the customers that we serve. We look forward to serving you. Call us today! You will not be disappointed.

Response time3 days
11 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for All Foam Insulation of the Carolinas
All Foam Insulation of the Carolinas
4.5(
13
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Walterboro, SC and surrounding areas

In business since 2010

Free estimates

Credit card accepted

"Did not do work, but pricing was competitive with everyone else.  Invoice got lost in junk e-mail, so did not think I ever received invoice, but I found it a month or so after job was completed again.  If\when I have another job will call All Foam and make sure Invoice doesn't get lost in junk e-mail!
"
Recommended by100%of homeowners
Avatar for C4 Energy Insulation LLC
C4 Energy Insulation LLC
5.0(
2
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Walterboro, SC and surrounding areas

In business since 2021

Free estimates

"It went very well, the prices were excellent, he's very thorough, crews were very polite, they were nice and they did such a good job. The owner called us and he's such a nice person, they did an excellent work and gave excellent prices. If anybody needs insulation in their house, they should call them."
We added Spray foam insulation on a Mid floor floor for sound
We added Spray foam insulation on a Mid floor floor for sound
We added Spray foam insulation on a Mid floor floor for sound
We added Spray foam insulation on a Mid floor floor for sound
We added Spray foam insulation on a Mid floor floor for sound

+4

Recommended by100%of homeowners
Avatar for ADT Solar
ADT Solar
4.4(
111
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Walterboro, SC and surrounding areas

In business since 2008

Free estimates

Warranties offered

"Ethan explained (in detail) how they would not only set up the panels on top of my home, but that they will also "pressurize" my home, including my air conditioning unit, to ensure that I get the best service possible from my panels!  He explained every detail of cost, taxes, and best of all REBATES!  He explained several methods of purchase, as well.  I have his personal cell phone number in case I have questions, and I can call their office at ANY TIME if I need anything.  So far, my experience with Sunpro Solar (Mandeville, LA) has been nothing short of great!  In a few weeks, I'll have my solar panels installed.  The time it has taken to get to this process has been minimal.  Everyone I've spoken with at Sunpro Solar has been friendly, helpful, knowledgeable, respectful, and accommodating.
"
11 kW PV Installation
5 kW PV Installation
9.5 kW PV Installation
Recommended by89%of homeowners
Showing 1-10 of 17
Drywall Insulation FAQs, answered by experts

New plaster must be fully dry and cured before painting. The drying time for plaster ranges from 1 to 4 hours, but the curing process can take more than five days, depending on various factors, including humidity levels, temperature, the amount of plaster used, and airflow in the area. You should always apply primer before painting plaster.

Drywall can be installed directly on ceiling joists. In fact, this method is common in many construction projects. Drywall sheets are attached to the joists using screws, ensuring a secure and stable installation. Before attaching the drywall, it's important to mark the joist locations on the ceiling, allowing for accurate screw placement. Proper spacing between screws and careful taping and mudding of joints are crucial to creating a smooth and flawless ceiling surface. If the joists are in good condition and level, installing drywall directly on them is a practical and efficient approach.

This depends on how much plaster is applied and in how many layers, but a decent estimate is around 150 square feet. If you are applying only two coats on a small wall, there is a chance you may only need one or two gallons for the entire project. If you are plastering a large living room wall with high ceilings, using one of the more involved techniques–like Scagliola–that requires several coats, expect the project materials costs to add up quickly. 

You should always hang drywall from the top down. Starting at the top makes it easier to create a straight, tight line between the ceiling and the wall. Any gaps that occur will be at the bottom, where they are easier to manage. You can either cut the bottom piece of drywall to fit the remaining space or cover the gap with baseboard trim. Additionally, starting at the top is physically easier, as you won't have to fit the top sheet into a tight space between the lower sheet and the ceiling, or try to balance the upper sheets on the lower ones while securing them.

The easiest way to remove texture from walls is the soak-and-scrape method. You’ll need to spray a section of the wall with water and let the water soak in and soften the texture. Then, you need to scrape the texture off using a drywall taping knife. This method works best with unpainted walls since paint prevents water from saturating the textured joint compound.

The Walterboro, SC homeowners’ guide to drywall insulation services

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