11 Best Of What Is The Difference Between Step Flashing And Counter Flashing Best Resolution Image. All shingle manufacturers require step flashing at sidewalls for. Steel is a heavy material that is commonly used for roofs and chimneys.
All shingle manufacturers require step flashing at sidewalls for. Most steel flashing is treated with zinc and this can corrode before the steel itself will. This final layer is called counter cover or cap flashing and commonly consists of aluminum galvanized steel copper tin or even plastic.
Steel wont corrode as easily as other types of flashing material.
Chimney flashing A general term for flashing a chimney. Step flashing is a series of short 90-degree angle metal flashing pieces that go up the wall or chimney and extend out onto the roof often being interlaced with each course of roofing. This final layer is called counter cover or cap flashing and commonly consists of aluminum galvanized steel copper tin or even plastic. If you see continuous one-piece flashing like this used as sidewall flashing with shakes shingles or slate its a defective.