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Blown-In Attic Insulation in New Castle County, Delaware

32 businesses offering blown-in attic insulation in New Castle County, DE. Updated 9-22-26. Serving Wilmington, Newark, New Castle, Middletown, Bear and Claymont and the rest of the county.

Business	Phone	Website
A & R General Contractor, LLCBear	(302) 836-8955	—	Report Phone doesn’t work
1G Services & Roofing ServicesWilmington	(302) 207-3992	—	Report Phone doesn’t work
AAA Dry Foam Professional Cleaning, Inc.Wilmington	(302) 798-6789	aaadryfoam.com/contact-us	Report Phone doesn’t work Website doesn’t work
ABC Supply Interiors, Inc.New Castle	(302) 419-1450	abcsupplyinteriors.com/locations/new-castle-de	Report Phone doesn’t work Website doesn’t work
Amira ContractingMiddletown	(302) 464-0644	amiracontracting.com	Report Phone doesn’t work Website doesn’t work
Capitol Building SupplyNew Castle	(302) 501-6020	cbsi.net/s/content/New_Castle	Report Phone doesn’t work Website doesn’t work
County Insulation CoNew Castle	(302) 322-8946	countygrp.com	Report Phone doesn’t work Website doesn’t work
Delaware Firestopping, Inc.Bear	(302) 545-9398	deinsulation.com	Report Phone doesn’t work Website doesn’t work
EAM CLEANING LLCWilmington	(302) 213-4975	—	Report Phone doesn’t work
Eastern Industrial Services IncNew Castle	(302) 455-1400	eastern-industrial.com	Report Phone doesn’t work Website doesn’t work
EcoShield Pest SolutionsNew Castle	(302) 402-5223	ecoshieldpest.com/pest-control/delaware/new-castle	Report Phone doesn’t work Website doesn’t work
Energy Services GroupNew Castle	(800) 908-7000	energysvc.com	Report Phone doesn’t work Website doesn’t work
Foundation Building MaterialsNewark	(302) 283-1020	myfbm.com/locations/fbm-newark-620	Report Phone doesn’t work Website doesn’t work
G. Fedale Roofing and SidingNewport	(302) 281-0460	gfedale.com/de/wilmington/roofing	Report Phone doesn’t work Website doesn’t work
G. Fedale Roofing and SidingNewark	(302) 527-6825	gfedale.com/de/newark/roofing	Report Phone doesn’t work Website doesn’t work
Home Paramount Pest ControlNew Castle	(866) 918-1861	homeparamount.com/service-area/new-castle-de	Report Phone doesn’t work Website doesn’t work
IMC Insulation Mat And Chimney Services CorpNew Castle	(302) 481-1061	thermal-armor-hub.base44.app	Report Phone doesn’t work Website doesn’t work
Insulation4USWilmington	(786) 224-0029	insulation4us.com	Report Phone doesn’t work Website doesn’t work
Koala Insulation of NewarkNewark	(302) 273-8476	koalainsulation.com/newark	Report Phone doesn’t work Website doesn’t work
Marrs Contracting IncMiddletown	(302) 378-8357	—	Report Phone doesn’t work
MBGI Mold Removal & Mold Remediation Services Co, DENewark	(302) 434-8639	—	Report Phone doesn’t work
McG OWAN HOME REHABWilmington	(484) 478-3057	—	Report Phone doesn’t work
Newark Co IncNewark	(302) 731-8970	—	Report Phone doesn’t work
Old Dominion Insulation, Inc.Newark	(302) 535-2365	odins.com	Report Phone doesn’t work Website doesn’t work
Patriot Insulation Contractor LLCNew Castle	(302) 544-5771	patriotinsulationcontractors.com	Report Phone doesn’t work Website doesn’t work
Paul's PlasteringNew Castle	(302) 654-5583	paulsplastering.com	Report Phone doesn’t work Website doesn’t work
PhillipsWilmington	(302) 655-6523	phillipsinsulation.com	Report Phone doesn’t work Website doesn’t work
PJ FitzpatrickNew Castle	(866) 858-5928	pjfitz.com	Report Phone doesn’t work Website doesn’t work
Sealright Injection FoamNewark	(302) 454-1388	—	Report Phone doesn’t work
Thermal Seal ExpertsWilmington	(302) 993-0720	—	Report Phone doesn’t work
V hWilmington	(302) 377-5350	vidalhomeimprovement.com	Report Phone doesn’t work Website doesn’t work
ZND-GRS Attic-Solution & Insulation's & Roofing Service Middletown, DEMiddletown	(360) 276-5847	—	Report Phone doesn’t work

Listed alphabetically. If a phone number or website does not work, use Report on that listing. Business owners: write to contact@hometradesdirectory.com to correct or remove a listing.

All 105 trades in New Castle County