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Counter Flashing Detail


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Counter Flashing Detail. Unlike base flashing, which is installed during roof installation, counter flashing is added later to cover and protect the top edge of the base flashing. Counter flashing is the upper layer that overlaps the base flashing, directing water away from vulnerable areas.

Terminations and Counterflashing Stopping Leaks Above the Roof Roofing
Terminations and Counterflashing Stopping Leaks Above the Roof Roofing from roofingmagazine.com

Counter flashing is crucial for roofs as it prevents water from infiltrating vulnerable areas where the roof meets a wall or chimney. Made from durable materials like metal (aluminum, copper, or stainless steel) or synthetic materials like pvc, it covers the step flashing to ensure a watertight seal. In this comprehensive guide, we will explore what metal counter flashing is, its purpose, the installation process, types, benefits, and why.

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Terminations and Counterflashing Stopping Leaks Above the Roof Roofing

Counter flashing prevents water from infiltrating the gap between a roof and a vertical structure, reducing the risk of leaks and water damage, which can save you significant repair costs in the long run. Made from durable materials like metal (aluminum, copper, or stainless steel) or synthetic materials like pvc, it covers the step flashing to ensure a watertight seal. Installed over the top of base flashing, counter flashing provides an extra layer of protection. Counter flashing is crucial for roofs as it prevents water from infiltrating vulnerable areas where the roof meets a wall or chimney.

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