Best Insulation in Galax, Virginia. Top 30 Insulation in Galax, Virginia, ranked by rating, reviews, votes. Last updated on February 2025 . Gedeons Galax, Virginia Insulation Detail Address: 110 Swanson Street, Galax, Virginia 24333. Phone: (276) 236-5259. Categories of builders in Galax, Virginia Heating Contractors Plumbing Contractors Hardware Construction Machinery Equipment Hauling Buildings Concrete Insulation Floor Refinishing Supplies Floor Installation Refinishing Paving Contractors Electric Equipment Supplies Ponds and Fountains