Capital Insulation, Llc
Verified Pro
21 years online5.0(23)
Insulation Services in Alexandria, VA
Compare 24 insulation services contractors near you in Alexandria and surrounding area with an average rating of 4.7/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 23, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
capital-insulation.com
Tran Energy Services LLC
Verified Pro
10½+ years online5.0(55)
DMV Foam
Verified Pro
5+ years online4.7(48)
Timur Construction Inc
Verified Pro
16+ years online4.7(27)
Wayne Insulation Co., Inc
Verified Pro
~17 years online4.7(12)
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Rampart Insulation
Sabaoth Insulation LLC
SPI - Specialty Products & Insulation
29+ years onlineAffordable Spray Foam Insulation Contractor
5.04½+ years onlineArlington Foam
5.04 years onlineNorth American Insulation Manufacturers Association, Inc.
5.0~14 years onlineNorthern Virginia Foam
5.0~4 years onlineOcean Fireproofing
5.09½+ years onlinePerformance Insulation
5.01½+ years onlineVirginia Spray Foam Insulation
5.07+ years onlineFounders Insulation
4.83+ years onlineHome Energy Medics
4.718½+ years onlineOffshore Insulation Solutions
4.71½+ years onlinePrudent Homes Insulation
4.67½+ years onlineDistribution International
4.4~22 years onlineEko Smart Solutions
4.4Alexandria Gene Spray Foam Insulation
4.3~8 years onlineArlington Baker Spray Foam Insulation
3.3~8 years onlineInsulation Services in Nearby VA Cities
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Insulation Services in Alexandria, VA
Alexandria, Virginia insulation contractors in this directory cover Old Town, Del Ray, Rosemont, and surrounding Alexandria City. IECC Climate Zone 4A asks for R-49 attics. Most pre-1990 Alexandria 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. Old Town historic-district properties may need approvals for envelope work.
Frequently Asked Questions
- What R-value should my Alexandria attic have?
- IECC Climate Zone 4A asks for R-49 attics.
- Should I encapsulate my Alexandria basement?
- Most should have R-15 minimum on walls.
- Are there rebates?
- Dominion Energy and Washington Gas home-performance rebates ($300-$2,000), 25C federal credit.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Alexandria 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.