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Liberty Insulation is Pennsylvania's Largest Independent Insulation Contractor, serving Harrisburg, York, Lancaster, New Oxford, and surrounding areas. We specialize in insulation for residential, commercial, and retrofit applications. Our team offers a variety of insulation services and products, including blown-in wall systems, can foam, cellulose, fiberglass, loose-fill fiberglass insulation, spray foam, mineral wool, and rigid foam insulation.