Serving Wilmington, DE and surrounding areas
Approved
In business since 2006
Free estimates
Small jobs welcome
"They were punctual and explained what was to be done. The job done was a room over the garage that that needed insulation."
Serving Wilmington, DE and surrounding areas
Approved
Super Service Award Winner
In business since 1999
Free estimates
Credit card accepted
"G.E.G. did a great job installing blow in insulaltion in my attic. They were quick and prepared. My only wish is they would have been able to pull up more of the unused attic flooring and gotten more insulation under it, though they were able to increase insulation in other areas."
Serving Wilmington, DE and surrounding areas
Approved
In business since 1981
Free estimates
Credit card accepted
"They showed up on time and the work were done in a timely manner. They cleaned up and left no mess. The insulation really helped to warm up the shed."
+4
Serving Wilmington, 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 Wilmington, DE and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"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."
+106
Serving Wilmington, 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..."
Serving Wilmington, DE and surrounding areas
Approved
In business since 1976
Free estimates
Credit card accepted
"I would recommend Phillips Insulation his crew was very professional, they showed up on time and they cleanup everything when completed the work"
Serving Wilmington, 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 Wilmington, DE and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Free estimates
Small jobs welcome
"Fabiano and Will went over and beyond on this project. Hiring a carpenter you have never worked with before involves a certain degree of faith. That's what I did when hiring Fabiano Construction to build a triple-tiered flower bed on my rooftop with a trellis on my Philadelphia row-home rooftop. I was not disappointed. Fabiano and Will are a great team, they are very kind and they do great work. What more could you ask for? I am having both of them come back to rebuild my grill countertop and cabinetry! I have no regrets using Fabiano Construction and I will continue to use them in the future!"
+6
Serving Wilmington, DE and surrounding areas
Approved (Corporate)
In business since 1928
Free estimates
Credit card accepted
"Made quick work to remove birds from bent and installed cover to prevent it from happening in the future."
Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.
R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.
Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.
You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.
Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.
From average costs to expert advice, get all the answers you need to get your job done.
Budget for attic insulation removal costs based on factors such as attic size, insulation type, site condition, hazardous materials, labor, and more.
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