A roofer repairs, replaces, and installs roofs on residential homes or commercial buildings. They use a variety of materials such a metal, aluminum, wood, shingles, tiles, slate, and steel. Roofers scale the tops of a property to repair leaky roofs, replace broken tiles, or seal areas to make them watertight. Roofing is physically demanding and requires the stamina to stand, climb, and carefully walk in hot, cold, windy, snowy, or rainy weather. The work that roofers do ensures that buildings are structurally sound and safe for those who enter. Roofers can work on a full- or part-time basis, and many receive weekly salary payments.
Roofing systems may also incorporate plants and landscape materials. A vegetative roof, for example, is typically a waterproof low-slope roof covered by a root barrier and harboring soil, plants, and landscaping materials.
It is becoming increasingly popular to take advantage of solar energy on rooftops. Roofs may incorporate solar reflective systems, which prevent the absorption of energy; solar thermal systems, which absorb energy to heat water; and solar photovoltaic systems, which convert sunlight into electricity. Roofers install some photovoltaic products, such as solar shingles and solar tiles, but solar photovoltaic (PV) installers typically install PV panels. Plumbers and heating, air conditioning, and refrigeration mechanics also may install solar thermal systems.
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