Serving Dover Afb, 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 Afb, 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 Afb, DE and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
MSJ Attic Insulation is a professional insulation and energy-efficiency company specializing in attic insulation, radiant barrier installation, insulation removal, air sealing, and attic access solutions. We focus on improving home comfort, reducing energy costs, and protecting properties through high-quality workmanship and reliable service. Our team takes pride in honest recommendations, clean installations, and helping homeowners create healthier, more energy-efficient homes.
+6
Serving Dover Afb, 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 Afb, DE and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"He was professional, arrived in a timely manner, efficient and affordable. There was a $400.00 difference between Lawson and the only other bidder."
+137
Serving Dover Afb, 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 Afb, DE and surrounding areas
In business since 1987
Free estimates
Emergency services offered
"I got 3 estimates and this company was the best price. From the free estimate to completion of work, everything was so professional. They showed up on time with a 7-man crew, so the job was completed in one day. Six years after the job was done, my basement is still bone dry - so dry it actually gets dusty! My crawlspace is so low a person can only crawl around, but they did a great job there, as well, installing a thick white vapor barrier."
Serving Dover Afb, DE and surrounding areas
In business since 2010
Free estimates
"It's been 8 days since chemical application so I'm waiting to determine if it eradicated my acute problem. Owner stated it would take 7 to 10 days to see results. I've still got a few ants inside a window so it's a bit early to determine effectiveness. Outstanding service by a people-friendly expert. His quote was $40 less than the competition. If I were giving this evaluation in a few more weeks, I may have to reevaluate effectiveness of chemical to my acute problem. I would definitely reuse 1st State."
Serving Dover Afb, DE and surrounding areas
In business since 2010
Free estimates
"When Mike did the free estimate, he told me it wasn't the walls where we were losing heat. It was my crawl space. Also, totally above the work of insulating the space, he noticed an air duct was disconnected. He got the straps needed to fix the vent and didn't charge me. Excellent customer service. He was neat, on time, and quick with the insulation."
+3
Serving Dover Afb, DE and surrounding areas
In business since 2014
Free estimates
Credit card accepted
"I can?t say enough good things about PeakPro Insulation! Before they came out, my attic wasn?t insulated at all and my house constantly fluctuated in temperature. When their team arrived, they introduced me to solar radiant barrier insulation. The difference was noticeable immediately. After the job was done, every room in my house finally felt consistent in temperature, and even my attic felt cooler while they were working up there. On top of that, they left the attic looking beautiful and clean. Highly recommend"
+2
Local and federal rebates are available for insulation installation, which can significantly reduce your overall costs. Many utility companies offer incentives or rebates to homeowners who improve their home's energy efficiency. Contact your local energy provider or government agencies to learn about available programs in your area, and consult with a professional insulation installer to maximize your savings.
It's not necessary to remove old insulation before adding new insulation, as long as the existing insulation is in good condition—dry, free of mold, and not damaged. Adding new insulation on top of old insulation can improve your home's energy efficiency by increasing the overall R-value. However, if the old insulation is wet, moldy, or damaged, it's best to remove it before installing new insulation to prevent potential health risks and ensure optimal performance.
Insulating a house takes between five and twelve hours for batts or boards, and two to five hours for spray foam or blown-in insulation. The exact time depends on the size of your home, the type of insulation, and the accessibility of the areas being insulated. Keep in mind that projects may take longer if old insulation needs removal, if there's a larger square footage, or if spaces are difficult to reach.
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