Top-rated attic insulation installers.

Get matched with top attic insulation installers in Delaware City, DE

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Attic insulation installers in Delaware City

Avatar for Master Attic, LLC

Master Attic, LLC

2486 Ridgeway Blvd
4.94(
50
)
•Approved Pro

Master Attic, LLC

2486 Ridgeway Blvd
4.94(
50
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
556 local quotes requested

Servicing NJ/PA/DE At Master Attic, our goal is to provide you with the highest quality materials and workmanship at an affordable price. We are a team of licensed, trained professionals with 20+ years of experience in insulation and rodent solutions. May it be rodent proofing, insulation removal, insulation installation, sanitizing, moisture barrier, radiant barrier, air duct repair replacement, or crawlspace cleaning, we have you covered. Do you hear noises in the attic? Smell something in the crawl space!? Schedule an appointment today, and have one of our technicians come out to assess the area and provide a free detailed estimate for the project.

"I RECENTLY HAD MY ATTIC INSULATION REPLACED BY MASTER ATTIC. ALEX CAME OUT RIGHT ON SCHEDULE AND GAVE ME A FAIR PRICE. ( I DID HAVE 4 OTHER ESTIMATES) THE CREW LEAD BY ROBERTO WAS AMAZING. THEY WERE VERY CONSIDERATE, CAREFUL IN MAKING SURE THE AREA WAS SEALED OFF AND WERE VERY CAREFUL OF MY PERSONAL BELONGINGS. THEY DID A GREAT JOB IN REMOVING OLD INSULATION , VACUUMING OUT THE ATTIC ,SPRAYED AREA AND SEALED ANY OPENINGS. BEFORE THEY BROUGHT IN NEW INSULATION, THEY ASKED ME IF I WISHED TO TO VIEW THE ATTIC AND I DID. I WAS AMAZED EVEN AT THIS POINT, HOW CLEANED EVERYTHING LOOKED . (THIS INSULATION HAD BEEN UP THERE FOR 70 YEARS) NEW INSULATION WAS INSTALLED AND IT LOOKS GREAT. THE CREWED CLEANED UP EVERYTHING , EVEN VACUUMED THE AREA IN THE ROOM. ALL BAGS OF OLD INSULATION WERE REMOVED PROMPTLY AND I WOULD HIGHLY RECOMMEND THEM TO ANYONE."

Robin S on September 2025

Servicing NJ/PA/DE At Master Attic, our goal is to provide you with the highest quality materials and workmanship at an affordable price. We are a team of licensed, trained professionals with 20+ years of experience in insulation and rodent solutions. May it be rodent proofing, insulation removal, insulation installation, sanitizing, moisture barrier, radiant barrier, air duct repair replacement, or crawlspace cleaning, we have you covered. Do you hear noises in the attic? Smell something in the crawl space!? Schedule an appointment today, and have one of our technicians come out to assess the area and provide a free detailed estimate for the project.

"I RECENTLY HAD MY ATTIC INSULATION REPLACED BY MASTER ATTIC. ALEX CAME OUT RIGHT ON SCHEDULE AND GAVE ME A FAIR PRICE. ( I DID HAVE 4 OTHER ESTIMATES) THE CREW LEAD BY ROBERTO WAS AMAZING. THEY WERE VERY CONSIDERATE, CAREFUL IN MAKING SURE THE AREA WAS SEALED OFF AND WERE VERY CAREFUL OF MY PERSONAL BELONGINGS. THEY DID A GREAT JOB IN REMOVING OLD INSULATION , VACUUMING OUT THE ATTIC ,SPRAYED AREA AND SEALED ANY OPENINGS. BEFORE THEY BROUGHT IN NEW INSULATION, THEY ASKED ME IF I WISHED TO TO VIEW THE ATTIC AND I DID. I WAS AMAZED EVEN AT THIS POINT, HOW CLEANED EVERYTHING LOOKED . (THIS INSULATION HAD BEEN UP THERE FOR 70 YEARS) NEW INSULATION WAS INSTALLED AND IT LOOKS GREAT. THE CREWED CLEANED UP EVERYTHING , EVEN VACUUMED THE AREA IN THE ROOM. ALL BAGS OF OLD INSULATION WERE REMOVED PROMPTLY AND I WOULD HIGHLY RECOMMEND THEM TO ANYONE."

Robin S on September 2025

Avatar for Michael Madanat Flooring

Michael Madanat Flooring

-
5.00(
23
)
•Approved Pro

Michael Madanat Flooring

-
5.00(
23
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
65 local quotes requested

Michael A Madanat Flooring is a professional flooring company located in Wilmington, DE. For more information feel free to give us a call. We serve in Wilmington, DE, Pike Creek Valley DE; Hockessin DE; Brookside DE; Pike Creek DE; North Star DE; and the surrounding areas. Residential Flooring, Flooring Service, Affordable Flooring, Quality Flooring, Laminate Floor Restoration Reliable Flooring Service We do not do repair work. For more information visit our website: https://flooringcontractorwilmington.com/

"He was very thorough & went the extra mile to help us. He found the flooring I wanted but because it was out of stock he had them order it & picked it up. The job was finished in one day. Reasonably priced. Very honest & above board. The floor turned out lovely. I appreciate his workmanship & would definitely use his company again."

Deborah D on July 2025

Michael A Madanat Flooring is a professional flooring company located in Wilmington, DE. For more information feel free to give us a call. We serve in Wilmington, DE, Pike Creek Valley DE; Hockessin DE; Brookside DE; Pike Creek DE; North Star DE; and the surrounding areas. Residential Flooring, Flooring Service, Affordable Flooring, Quality Flooring, Laminate Floor Restoration Reliable Flooring Service We do not do repair work. For more information visit our website: https://flooringcontractorwilmington.com/

"He was very thorough & went the extra mile to help us. He found the flooring I wanted but because it was out of stock he had them order it & picked it up. The job was finished in one day. Reasonably priced. Very honest & above board. The floor turned out lovely. I appreciate his workmanship & would definitely use his company again."

Deborah D on July 2025

Avatar for Flooring Salgado LLC.

Flooring Salgado LLC.

Based In Delaware
5.00(
12
)
•Approved Pro

Flooring Salgado LLC.

Based In Delaware
5.00(
12
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
262 local quotes requested

We are providers of construction services in the Delaware area. Our mission is to maintain the highest quality and professionalism from start to finish. We are confident in our results because all our jobs are custom for the needs of each home. We strive for the highest degree of quality products and workmanship. During the years in business, Flooring Salgado has satisfied many customers. It is our reputation of quality work, professionalism, and customer service our customers continue to rely on us for their needs. To understand the expectations of our customers, we take great care to work and communicate with every customer professionally. We base our reputation on service, safety, and quality. Call us today and find out how we can meet all your construction needs!

"Great! I had water damage to my kitchen floor (laminate). Very pleased with the repair they performed."

Dottie B on August 2025

We are providers of construction services in the Delaware area. Our mission is to maintain the highest quality and professionalism from start to finish. We are confident in our results because all our jobs are custom for the needs of each home. We strive for the highest degree of quality products and workmanship. During the years in business, Flooring Salgado has satisfied many customers. It is our reputation of quality work, professionalism, and customer service our customers continue to rely on us for their needs. To understand the expectations of our customers, we take great care to work and communicate with every customer professionally. We base our reputation on service, safety, and quality. Call us today and find out how we can meet all your construction needs!

"Great! I had water damage to my kitchen floor (laminate). Very pleased with the repair they performed."

Dottie B on August 2025

Avatar for FLOOR CONCEPTS INC

FLOOR CONCEPTS INC

4315 KIRKWOOD HWY
5.00(
5
)
•Approved Pro

FLOOR CONCEPTS INC

4315 KIRKWOOD HWY
5.00(
5
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
320 local quotes requested

Since 1982 we've been helping local customers beautify their homes and offices. Visit our elegant showroom and warehouse on Kirkwood Highway to see what's available in the latest carpet, hardwood, vinyl, ceramic, laminate, luxury vinyl tiles and window treatments. We want you to "Be Proud of Your Floors".

"Everyone was very nice and helpful getting is a great price for the space we needed the area rug for"

Anna T on January 2021

Since 1982 we've been helping local customers beautify their homes and offices. Visit our elegant showroom and warehouse on Kirkwood Highway to see what's available in the latest carpet, hardwood, vinyl, ceramic, laminate, luxury vinyl tiles and window treatments. We want you to "Be Proud of Your Floors".

"Everyone was very nice and helpful getting is a great price for the space we needed the area rug for"

Anna T on January 2021

Buy at Home Carpets

Servicing Around
5.00(
3
)
•Approved Pro

Buy at Home Carpets

Servicing Around
5.00(
3
)
•Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1349 local quotes requested

​We have been in the carpet industry for over 17 years. Carpet, Tile, Hardwood, Flooring Sales/Installation We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today.

"Job went very well. They have been doing work for me for a couple of decades, and always have done excellent work."

Dan M on July 2023

​We have been in the carpet industry for over 17 years. Carpet, Tile, Hardwood, Flooring Sales/Installation We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today.

"Job went very well. They have been doing work for me for a couple of decades, and always have done excellent work."

Dan M on July 2023

Century Marble & Granite LLC

29 N 5th St
5.00(
3
)

Century Marble & Granite LLC

29 N 5th St
5.00(
3
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

With over 20 years in the remodeling business, we are here to help you with your kitchen and bathroom remodels and any countertop work or dreams you may have. Ask us about our military and senior discount. www.centurygranitellc.com

"The service was very good and they were excellent."

Patricia D on July 2021

With over 20 years in the remodeling business, we are here to help you with your kitchen and bathroom remodels and any countertop work or dreams you may have. Ask us about our military and senior discount. www.centurygranitellc.com

"The service was very good and they were excellent."

Patricia D on July 2021

Milano Home Improvement

401 Pennsylvania Ave
No reviews yet

Milano Home Improvement

401 Pennsylvania Ave
No reviews yet
26 years of experience

Home Improvement, Remodeling, Building

Home Improvement, Remodeling, Building

HONG KONG ROOFING CONSTRUCTION LLC

5.00(
1
)

HONG KONG ROOFING CONSTRUCTION LLC

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

5 EMPLOYEES. USES SUBS FOR PAINTING & DRYWALL. COST IS DETERMINED BY THE JOB. NO TRAVEL CHARGES. NO SERVICE FEES.

5 EMPLOYEES. USES SUBS FOR PAINTING & DRYWALL. COST IS DETERMINED BY THE JOB. NO TRAVEL CHARGES. NO SERVICE FEES.

ServiceMark Heating Cooling & Plumbing

900 Adams Ave
4.74(
43
)

ServiceMark Heating Cooling & Plumbing

900 Adams Ave
4.74(
43
)
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

For more than six decades now, ServiceMark has been providing comfort without compromise. Today, our exceptional team of technicians, installers, master plumbers, sales professionals and support staff consider your satisfaction their success. We offer 24/7 Emergency Service! Additional email - john.mclaughlin@servicemarksolutions.com. Additional DBA - ServiceMark, Heating, Cooling & Plumbing.

"WORK WAS DONE WELL AND ON TIME....VERY COOPERATIVE AND CORDIAL...."

HERB M on October 2020

For more than six decades now, ServiceMark has been providing comfort without compromise. Today, our exceptional team of technicians, installers, master plumbers, sales professionals and support staff consider your satisfaction their success. We offer 24/7 Emergency Service! Additional email - john.mclaughlin@servicemarksolutions.com. Additional DBA - ServiceMark, Heating, Cooling & Plumbing.

"WORK WAS DONE WELL AND ON TIME....VERY COOPERATIVE AND CORDIAL...."

HERB M on October 2020

Damage Clean Up Crew & Construction LLC

3033 Sylon Blvd
1.00(
2
)

Damage Clean Up Crew & Construction LLC

3033 Sylon Blvd
1.00(
2
)
19 years of experience

Our firm provides 24/7 Insurance Restoration Services

Our firm provides 24/7 Insurance Restoration Services

...
Showing 1-10 of 825
FAQs for attic insulation installation projects in Delaware City, DE

The best attic insulation depends on where you live, the project stage, and your budget. New builds often benefit from structural insulated panels for top-tier efficiency, while homes in very warm regions can see big cooling savings with reflective insulation. Blown-in, loose-fill, and spray foam all excel at filling odd spaces in finished attics. Talk with a certified local pro to match the material to your climate, space, and wallet.

You’ll only need a licensed electrician if the project calls for moving existing wiring or adding new fixtures. For straightforward insulation jobs, your insulation installer can work around current cables. That said, never start insulating until a pro has checked any questionable wiring. If you suspect damaged or outdated circuits, book an electrician first to keep the project—and your home—safe and code-compliant.

Without air sealing, even the best insulation can underperform. Gaps let heated or cooled air leak out, forcing your HVAC system to work harder and driving up energy bills. Sealing those cracks before adding insulation locks in conditioned air, keeps moisture at bay, and helps the new material hit its full R-value. Ask your insulation pro to tackle sealing first so you enjoy consistent comfort and lower monthly costs.

Among readily available options, structural insulated panels and rigid foam boards top the charts with R-values that can reach 8.0. They’re ideal for new construction or very cold climates where maximum thermal resistance matters most. If you live in a milder zone, blown-in or loose-fill insulation may deliver plenty of performance at a lower price. Weigh the upfront cost against energy savings—and lean on a local pro’s guidance—to pick the smartest fit.

The Delaware City, DE homeowners’ guide to attic insulation installations

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

See all articles