TopBuild Corp., together with its subsidiaries, engages in the installation and distribution of insulation and other building material products to the construction industry. The company operates in two segments, Installation and Specialty Distribution. It provides insulation products and accessories, glass and windows, rain gutters, garage doors, fireplaces, roofing materials, closet shelving, and other products. The company also offers insulation installation services for fiberglass batts and rolls, blown-in loose fill fiberglass, polyurethane spray foam, and blown-in loose fill cellulose applications; provides roofing installation services, re-roofing and maintenance for the commercial and industrial end markets including single ply roofing, built-up roofing systems, and metal roofing sy…