Sheet steel with a thin aluminum coating bonded to the surface to enhance weathering characteristics.
Tag: metals
Aluminum
A nonrusting, malleable metal sometimes used for metal roofing and flashing.
Copper
A natural weathering metal used in metal roofing or flashing; typically used in 16 ounce per square foot (0.56 mm) and 20 ounce per square foot (0.69 mm) thicknesses.
G-90
A designation for galvanized metal sheet, indicating 0.90 ounces (26 g) of zinc per square foot, measured on both sides.
Galvalume
Trade name for a metal alloy coating that is composed of aluminum, zinc and silicone.
Galvanize
To coat steel or iron with zinc.
Galvanized Steel
Steel coated with zinc for corrosion resistance.
Metal
Any of various opaque, fusible, ductile and typically lustrous substances that are good conductors of electricity and heat.
Zinc
A hard bluish white metal, brittle at normal temperatures, very malleable and ductile when heated; not subject to corrosion; used for galvanizing sheet steel and iron, in various metal alloys, and as an oxide for white paint pigment.