Capital Insulation, Llc
Verified Pro
21+ years online5.0(23)
Insulation Services in Arlington, VA
Compare 25 insulation services contractors near you in Arlington and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 23, 2026
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Verified Pro Installers
capital-insulation.com
El Dorado Specialty Contractors
Verified Pro
3+ years online5.0(6)
DMV Foam
Verified Pro
5½+ years online4.7(48)
Wayne Insulation Co., Inc
Verified Pro
~17 years online4.7(12)
DMV ATTIC INSULATION
Verified Pro
8½+ years online4.0(7)
Other Businesses in This Area
Affordable Spray Foam Insulation Contractor
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5.0~19 years onlineKoala Insulation of Washington DC
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5.07+ years onlineKelvin's
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4.87 years onlineFounders Insulation
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4.718½+ years onlineOffshore Insulation Solutions
4.71½+ years onlinePrudent Homes Insulation
4.6~8 years onlineEko Smart Solutions
4.4Alexandria Gene Spray Foam Insulation
4.38 years onlineArlington Baker Spray Foam Insulation
3.38 years onlineInsulation Services in Nearby VA Cities
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Insulation Services in Arlington, VA
Arlington, Virginia insulation contractors in this directory cover North Arlington, Clarendon, Ballston, Crystal City, and surrounding Arlington County. IECC Climate Zone 4A asks for R-49 attics. Most pre-1990 Arlington homes have R-19 to R-30 of settled batts — topping up with blown insulation runs $1.50-$2.30 per sq ft.
Dominion Energy and Washington Gas offer home-performance rebates. The 25C federal credit covers 30% up to $1,200/year. Many Arlington HOAs and condo associations require approval for envelope work.
Frequently Asked Questions
- What R-value should my Arlington attic have?
- IECC Climate Zone 4A asks for R-49 attics. Most pre-1990 stock has R-19 to R-30 of settled batts.
- Should I encapsulate my Arlington basement?
- Most should have R-15 minimum on walls. Closed-cell foam at 1.5-2 inches plus a fibreglass batt is the standard high-performance assembly.
- Are there rebates?
- Dominion Energy and Washington Gas home-performance rebates ($300-$2,000), 25C federal credit (30% up to $1,200/year).
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Arlington and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.