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TRUSTED BY FENWICK ISLAND, DE HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon73
    Verified insulation services reviews

Verified Reviews for Insulation Service pros in Fenwick Island, DE

*The Angi rating for Insulation Service companies in Fenwick Island, DE is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

*The HomeAdvisor rating for Insulation Service companies in Fenwick Island, DE is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

Last update on September 17, 2025

Top-Rated Insulation pros in Fenwick Island - Updated Nov 2026

Avatar for MSJ Attic Insulation
MSJ Attic Insulation
5.0(
7
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Fenwick Island, 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."
Business card
Poorly insulated
Poorly insulated
In progress
Radaint barrier

+6

43 neighbors recently requested a quote
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Avatar for Dixie's Insulation, LLC
Dixie's Insulation, LLC
4.5(
49
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeSpray Foam Insulation - Install+1 more

Serving Fenwick Island, DE and surrounding areas

Approved

In business since 2006

Free estimates

Small jobs welcome

"Very professional and took time to clean up after they were done. Visit would recommend them to anyone looking for attic insulation"
Installing Insulation and Poly in a crawlspace
Installing Insulation and Poly in a crawlspace
Crawlspace Job
Batts insulation
Batts insulation

+7

Response time3 days
33 neighbors recently requested a quote
Recommended by97%of homeowners
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Avatar for Sagittarius Airseal
Sagittarius Airseal
4.8(
31
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Fenwick Island, DE and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"Excellent job. Showed up on time. His crew completed the job in a timely fashion. I would recommend this company to anyone needing insulation work."
Blowing insulation
Blowing insulation
Blowing insulation
Blowing insulation
Blowing insulation

+38

Response time12 hrs
Response rate85%
13 neighbors recently requested a quote
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Avatar for RetroFoam of Philadelphia
RetroFoam of Philadelphia
5.0(
22
)
Spray Foam Insulation - InstallInjection Insulation - Install

Serving Fenwick Island, DE and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"These guys were professional, on time and communicated very well... I would recommend this company to you for all your Spray Foam Insulation needs..."
RetroFoam Wall Insulation
Installing RetroFoam
RetroFoam with Siding
RetroFoam with Brick
Response time1 day
Response rate100%
125 neighbors recently requested a quote
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Avatar for Home Genius Exteriors
Home Genius Exteriors
4.9(
515
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Fenwick Island, DE and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"Home Genius Exteriors did a great job on my gutters. It was extremely fast and easy to be honest. I was really surprised at how quick the process was. The project manager met with me and we did a walk-through. I was truly satisfied with the work that was completed."
Windows
Windows
Windows
Windows
Windows

+69

20 neighbors recently requested a quote
Recommended by49%of homeowners
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Avatar for Home Genius Exteriors
Home Genius Exteriors
4.9(
517
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Fenwick Island, DE and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"Home genius exteriors are doing a fine job on my siding very fast and hard working I must say. Joseph is such good young man I appreciate him and Chris love him."
Windows
Windows
Windows
Windows
Windows

+75

Recommended by48%of homeowners
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Avatar for Lawson Home Services, LLC
Lawson Home Services, LLC
4.6(
60
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Fenwick Island, 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."
Metal Door Crawlspace Entrace
Turtl Crawlspace Entrance
Attic Air Leaks
Attic Air Sealing
Garage Loft Ready for Sprayfoam

+137

Response time9 hrs
150 neighbors recently requested a quote
Recommended by92%of homeowners
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Avatar for Reilly Home Services llc
Reilly Home Services llc
5.0(
28
)
Batt, Rolled or Reflective Insulation - Install or Upgrade

Serving Fenwick Island, DE and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"The pros did a lovely job and they were efficient and job done well"
inspection notes
vapor barrier
modified crawlspace
modified crawlspace
modified crawlspace

+34

Response time7 hrs
Response rate94%
Recommended by3%of homeowners
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Avatar for Rightway Waterproofing Co
Rightway Waterproofing Co
4.4(
236
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Fenwick Island, DE and surrounding areas

In business since 1987

Free estimates

Emergency services offered

"A professional job from start to finish. Al and Don stepped me through the entire process before hand. I’ve had a few storms since then and thankfully not a drop in the basement."
Drilling weep holes
Crawlspace encapsulation
Severe mold problem
Recommended by87%of homeowners
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Avatar for PeakPro Insulation LLC
PeakPro Insulation LLC
4.0(
4
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Fenwick Island, 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"
Attic Insulation
Attic Insulation
Attic Insulation
Attic Insulation
Attic Insulation

+2

Response time4 days
Response rate100%
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Showing 1-10 of 36
Insulation FAQs, answered by experts

Mineral wool has an excellent life expectancy of up to 50 years, provided it's kept dry and free of pests. Compared to fiberglass, with a life span of 20 to 30 years, mineral wool stacks up well for long-term cost savings. Sheep wool maintains a similar life span to fiberglass, while estimates for hemp wool insulation life expectancies are all over the board, ranging anywhere from 20 to 100 years.

The best type of attic insulation depends on where you live, your budget, and what stage of construction the attic is in. For example, if you're building a house, then structural insulated panels are a worthy investment since they're easy to install during construction and they're the most energy-efficient type of insulation.  

Additionally, if you live in a very warm climate, then you can potentially save quite a bit of money by opting for reflective insulation, which is more affordable than comprehensive insulation but doesn't work well for cool climates. Blown-in, loose-fill, and spray foam insulation are all great options for attics in moderate climates.

Ideally, you can add new insulation to your existing insulation. However, some circumstances require you to remove old insulation before adding any new insulation: 

  • If the insulation is over 15 years old

  • If the insulation is wet or moldy

  • If it is vermiculite insulation

  • If you see signs of pest infestation

Removing old insulation is best left to a pro who can safely dispose of potential moldy or asbestos-ridden insulation.

The amount of insulation you need will vary depending on where you live. Energy Star recommends certain minimum insulation values in different geographic regions. In most cases, however, even adding a little insulation is better than not adding any.

If the outside temperature drops below 20 degrees Fahrenheit, it will take around six hours for your pipes to freeze—and they might even burst. That’s why keeping your mobile home’s temperature around 50 to 60 degrees Fahrenheit is necessary, even if you’re leaving it vacant for the winter. In addition, having ample skirting around the mobile home's underbelly will help keep pipes insulated during the winter. 

The Fenwick Island, DE homeowners’ guide to insulation services

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

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