4.6 
356 *The Angi rating for Drywall Insulation companies in Mount Pleasant, SC 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 Mount Pleasant, SC 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 January 17, 2026
Serving Mount Pleasant, SC and surrounding areas
Approved
In business since 2009
Free estimates
Warranties offered
"Did a great job . Power bills have been a lot lower."
+17
Serving Mount Pleasant, SC and surrounding areas
Approved
In business since 2013
Free estimates
Warranties offered
USA Insulation has been providing homeowners with energy efficient insulation since 1985. Our trained, professional installers, service Charleston County, Berkley County & Dorchester County. We pride our company on reliability, great communication, integrity and quality work. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Please contact us today to set up a free consultation
Serving Mount Pleasant, SC and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"Work was completed to a very high standard. Every step of the way, they were more than willing to show exactly what was being completed. Work was completed very efficiently and quickly. Would definitely recommend for any attic insulation projects!"
Serving Mount Pleasant, 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!
+53
Serving Mount Pleasant, SC and surrounding areas
Approved
In business since 2021
Free estimates
Credit card accepted
"Cleaned up after themselves. Very friendly & respectful. Took pictures of my attic before & after work was done to show me. Price was reasonable. Would recommend them."
Serving Mount Pleasant, SC and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Credit card accepted
"Barrier South did a great job re insulating my attic and crawl space under house. Jose led a crew that were very professional and skilled. I recommend Barrier South highly. Great job at competitive prices."
+4
Serving Mount Pleasant, SC and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
"Very nice working with them! Fair pricing and excellent service! Highly recommend!!"
Serving Mount Pleasant, SC and surrounding areas
Approved (Corporate)
In business since 1983
Free estimates
Credit card accepted
For more than 40 years, Lookout Pest Control has been a regionally-recognized provider of general pest, termite, wildlife and encapsulation services in the north Georgia and Chattanooga, TN markets. These 40 years have earned Lookout a reputation of excellence and integrity in the community. Today, Lookout is a growing family of pest control companies throughout the Southeast into AL, SC, NC, and KY -- we're slated to become a top pest control company in the US while maintaining our personal touch, local connections. Lookout is a champion for creating a safe home we're Always on the Lookout!
Serving Mount Pleasant, SC and surrounding areas
In business since 2011
Free estimates
Credit card accepted
"Professional from first call to project conclusion. Fairly priced. Two small nail pops in ceiling drywall, but I have not yet asked about that. All other expectations met. Nice work, nice folks."
+8
Serving Mount Pleasant, SC and surrounding areas
In business since 2015
Free estimates
Credit card accepted
"These are the "go-to" guys for spray foam insulation. I would recommend them any time. They were friendly and efficient."
From average costs to expert advice, get all the answers you need to get your job done.
How much does it cost to insulate a wall? This guide breaks down the associated costs and variables to consider when setting your project budget.
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Thick gaps and extra joint compound can alter the look of drywall. So, should drywall be butt up against a wall? Review this guide for seamless installation.
We’ll walk you through how to install spray foam insulation in your home—and when it makes sense to call in a pro.
