What is Copper Flashing?
Copper flashing is a roofing material that acts as an extra layer of protection from leaks between roofing tiles and the rafters. One installs copper flashing, as opposed to aluminum or steel flashing, because it is more durable. For those concerned about aesthetics, copper flashing takes on a dark, greenish patina when exposed to air that some find attractive. In general, flashing must be installed on parts of the roof where shingles can’t provide enough of a barrier to water. These areas would include where slopes meet, such as at a ridge or valley; the space around units installed in the roof, such as air conditioners, fans, and skylights; and eaves where the edge of the roof meets the gutter system along the perimeter of the house. When properly installed, flashing helps to fight heavy water flow, the weight of snow, or precipitation during heavy wind fighting to get underneath shingles. Investing in copper flashing, a more expensive metal than galvanized steel or aluminum, is wort
