• Fiberglass Insulation
  • Spray Foam Insulation
  • Cellulose Insulation
  • CoreFoam Insulation
  • EcoSeal Insulation
Other Services

Insulation Retrofitting

Existing homes and older houses may still need insulation that was never added in the walls. This process involves drilling small holes into the walls to spray in your choice of insulation - blown-in fiderglass, cellulose, or spray foam. Contact us to learn more about this process.


Insulation retrofit
Fiberglass Insulation
Fiberglass insulation delivers comfort with exceptional thermal and acoustical performance.
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Cellulose Insulation
Cellulose insulation has superior properties compared to blown fiberglass through its density.
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Spray Foam Insulation
Foam insulation provides a protective air barrier ensuring a healthier, quieter, energy efficient structure.
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Established in 1991 and located in Christiansburg, Virginia, New River Insulation Company does residential and commercial insulation. We offer our customers products that are energy efficient and earth friendly.  Installed by trained insulation mechanics.

Our product list includes Open and Closed Cell Foam, Blown In Blanket Fiberglass and Cellulose, Core Fill Foam, Insul Smart, and earth friendly formaldehyde free Fiberglass Echo Batt. We also offer insulation retrofits for older homes without insulation in their walls.

Our company is a member of the Insulation Contractors Association of America and Spray Polyurethane Foam Alliance.