4.3 
98 *The Angi rating for Drywall Insulation companies in Dover, DE 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 Dover, DE 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 December 18, 2025
Serving Dover, DE and surrounding areas
Approved
In business since 2006
Free estimates
Small jobs welcome
"Handyman Insulation was very thorough and knowledgeable about the best way to insulate our house. The team was very kind and promptly answered all questions. They cleaned up thoroughly before leaving. Overall great experience and would gladly recommend them!"
Serving Dover, DE and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Emergency services offered
"These guys took time from their busy schedule came to my residence on Easter Sunday to give me a price on repairing insulation mess left by previous contractor. They arrived next day and completed the insulation work and did an excellent job at an excellent price. My thanks to Sagittarius air seal thanks again, Michael Duffy."
+38
Serving Dover, DE and surrounding areas
Approved
In business since 2006
Free estimates
Small jobs welcome
"Work to insulate bonus room was done on time and workmanship was very good."
+7
Serving Dover, 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."
Serving Dover, 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."
+6
Serving Dover, DE and surrounding areas
Approved
Super Service Award Winner
In business since 2005
Free estimates
Emergency services offered
"Joe and jason were very professional and made sure to clean everything perfectly while doing my attic insulation, I will be recommending them to everyone!"
+82
Serving Dover, DE and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"We were extremely happy with our recent service. We really liked that he showed us the aspects of our dryer and vent and how we can keep it clean on a weekly basis. He was very tidy too! I would definitely recommend him and plan to have him return each year."
+137
Serving Dover, DE and surrounding areas
Approved (Corporate)
In business since 1928
Free estimates
Credit card accepted
"Did not see the temperature difference I thought I would."
Serving Dover, DE and surrounding areas
In business since 2019
Free estimates
Offers commercial services
"I live in Dover, Delaware. I had blown fiberglass insulation in my attic. They did an amazing job. I would hire them again!"
Serving Dover, DE and surrounding areas
In business since 2018
Free estimates
Emergency services offered
"It was great; they took only a weekend to do my living room, kitchen, dining, library and stairwells. They were covering some dark custom colors so it took multiple coats. I liked them so much I hired them again to paint my kitchen cabinets too. Will definitely recommend and use them again!"
+157
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.
New insulation can make your home more comfortable and boost energy efficiency. Use this insulation cost guide to get an accurate estimate for the installation.
Your home's ceiling insulation cost will depend on several factors, including the project size, the type of insulation you use, and the R-value.
Learning how to insulate plaster walls can help improve your home's energy efficiency. However, there are crucial cautions to consider before attempting.
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.
