TopBuild installs its product on the sides of buildings as well. The company is the largest installer and distributor of insulation products to the US construction industry. Beyond insulation products, TopBuild also installs or ships other building products like rain gutters, fireplaces, shower enclosures, roofing materials, closet shelving, and garage doors. The company's contractor services business, TruTeam, boasts more than 190 installation branches across 40-plus US states, while its distribution arm, Service Partners, ships its products from over 70 distribution centers in 35 states. TopBuild was formerly the Installation and Other Services businesses of Masco, until it was spun off in 2015.