Copper Sheet
Copper sheets are flat pieces of copper formed from the rolling process that can be used as roofing. During roll forming, metal sheet or strip is pressed between rollers (http://www.iqsdirectory.com/roll-forming) to form the sheet. Copper sheet is one of the many shapes into which copper can be formed.
A malleable and ductile metal, copper is the best known economical conductor of electricity. Copper sheet is also nonmagnetic, formable, machinable, and durable. Because it can easily be formed into many shapes, copper sheet is used to make roof tops, lighting fixtures, furniture, plumbing fixtures, and various other items.
There are many ways that copper sheets can be further manufactured. Brake forming, flashing, hydroforming, laminating, and stamping are some examples of such processes. Brake forming is a type of bending that can be used on copper sheet, while flashing is a type of copper sheet that is used in construction in order to prevent or divert water penetration. Hydroforming is a method of forming that involves using hydraulic pressure on copper sheet placed between a male die and a rubber piece. Laminating refers to the bonding, usually with adhesives, of copper sheet, whereas stamping involves using a die in a press or a hammer to shape copper sheet.