TopBuild Corp. is an installer and distributor of insulation and building material products to the United States construction industry. The Company operates through two segments: the Installation segment and the Specialty Distribution segment. The Installation segment provides insulation installation services nationwide through contractor services business which has approximately 235 branches located across the United States. The Company’s insulation applications include Fiberglass batts and rolls, Blown-in loose-fill fiberglass, Polyurethane spray foam and Blown-in loose-fill cellulose. The Specialty Distribution segment distributes building and mechanical insulation, insulation accessories and other building product materials for the residential, commercial, and industrial end markets. In addition to insulation and accessories, the Company distributes rain gutters, fireplaces, closet shelving, and roofing materials, among other items.