Best Insulation Contractors near Hagerstown, MD

1 of these contractors is based in Hagerstown; the others serve Hagerstown from towns including Myersville (13 mi), Greencastle, PA (10 mi) and Chambersburg, PA (16 mi).

4 open weekends · all 10 rated 4.5+ · 3 show a license

Data verified November 6, 2026

Kline Roofing & Siding

Kline Roofing & Siding

4.8 22 reviews
“Kline Roofing & Siding has done an excellent job with all our homes' projects!”
Free consultationSince 2007
9813 White Hall Rd
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South Central Services Insulation

South Central Services Insulation

5.0 93 reviews
“The whole team was professional from the beginning to the end of our services.”
Coupons & offersFree consultationSince 2018FinancingPrices online
Greencastle, PA · 10 mi from Hagerstown
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Absolute Home Solutions

Absolute Home Solutions

4.9 94 reviews
“Got my new roof done today, and the Absolute crew did a fantastic job!!”
InsuredFinancing availableServes Maryland, Washington DC, GaithersburgFree consultationSince 2001Family-owned
Middletown, MD · 18 mi from Hagerstown
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High Point Roofing

High Point Roofing

4.9 132 reviews
“They did a amazing job and cleaned up really well!”
Free consultationSince 2016
Hedgesville, WV · 16 mi from Hagerstown
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Watkins Exteriors Llc

Watkins Exteriors Llc

5.0 67 reviews
“The work was done quickly, but properly.”
Free phone consultationMHIC license #05-147102Insured & bondedServes MarylandSince 2021
Myersville, MD · 13 mi from Hagerstown
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GSA Home

GSA Home

5.0 67 reviews
“Would recommend to anyone who need gutters or siding work done.”
Free estimates0% financingServes Frederick County, Howard County +3MHIC# 136027Since 2018
10 mi from Hagerstown
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The 10 contractors listed for Hagerstown, MD insulate attics, walls, crawl spaces and rim joists. Details under each one about materials, hours and the services advertised are copied from the company's own site; star ratings and comments come from public reviews.

Area overview: Hagerstown, MD

The 10 contractors on this page are rated from 4.6 to 5.0 across 1,228 reviews; 7 have 50 or more reviews. The topics that come up most in reviews of the contractors on this page are "price", "estimates" and "cleanliness". 4 are open on Saturdays and 1 on Sundays. The services the contractors on this page list most often on their websites are gutters (2), roof repairs (2), roof replacement (2) and skylights (2). 3 show a license on their websites. Domain records put 6 websites of the contractors on this page at ten or more years old; the oldest dates from 2004. 2 offer financing or payment plans; 5 give free estimates; 2 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 10 of the contractors on this page; 9 publish a contact page and 7 list a public email. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.

Will anyone assess the house at no charge?

No charge assessments are advertised by 5 of the 10 contractors on this page. A free look usually means someone measures the attic and writes a proposal. A paid energy audit with a blower door and a camera is a different product and tells you far more about where your house is leaking.

Monument Foam Insulators

Monument Foam Insulators

4.6 7 reviews
“They are a family owned and operated business”
LicensedSince 2008
Myersville, MD · 13 mi from Hagerstown
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Frederick Roof Repair

Frederick Roof Repair

5.0 101 reviews
“Stefan was very professional, kept me informed throughout the process, took care of everything I asked of him in a timely and efficient manner.”
MHIC license #8592720+ yearsServes Frederick County, Carroll County, Montgomery CountyFinancing
Frederick, MD · 22 mi from Hagerstown
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Dependable Roofing Inc

Dependable Roofing Inc

4.9 95 reviews
“They finished in 2 days and paid attention to cleaning up afterwards.”
Since 2008
Chambersburg, PA · 16 mi from Hagerstown
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American Spray Foam

American Spray Foam

5.0 45 reviews
“Easy to work with, quick and responsive and the work speaks for itself.”
Since 2019Family-owned
21 mi from Hagerstown
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HomeInsulation CompaniesMarylandHagerstown, MD

Why these companies made our list

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