USI Smith Insulation has been the business that homeowners and builders turn to for all of their insulation needs in Raleigh, Durham and Louisburg, NC. Simply put, we are one of the most experienced insulation contractors in the Raleigh-Durham area. Established as a family-owned company, our installers, inspectors and repair team can handle any of your needs, from blown-in fiberglass and spray foam insulation to air sealing and energy audits.. Fiberglass Insulation,Cellulose,Spray Foam,Foam Insulation Board,Windows & Doors,Radiant Barrier,Garage Doors,Closets,Construction Services,Shower Enclosures