Whether you’re a homeowner trying to add insulation to your attic, a business owner interested in re-insulating your office space, or a contractor in charge of building a new multi-dwelling unit, OJ Insulation can handle all your insulation needs. We install radiant barrier, commercial foil, fiberglass, cellulose and rigid foam boards. Homeowners and builders in the Los Angeles and San Diego areas have relied on us since 1984.