This minor group includes roofers, shinglers, glaziers, insulators, painters and decorators (except interior decorators) and floor covering installers. They are employed by construction companies; roofing and general contractors; construction glass installation contractors and glass fabrication, retail service and repair shops; insulation and floor covering contractors and carpet outlets; and painting and building maintenance contractors; or they may be self-employed.
Heat and Frost Insulator
Heat and frost insulators prevent or reduce the transmission of heat, cold, sound, and fire in buildings. They apply insulating materials to plumbing, heating, cooling, and refrigeration systems, piping equipment, pressure vessels, and the interior surfaces of buildings.