Why proper flashing is the key to preventing roof leaks

How to Install Drip Edge and Step Flashing | This Old House · 5:04 · Video: This Old House · Watch at the source

In short: This video demonstrates the essential process of installing drip edge and step flashing. Learn why these components are vital for protecting a roof from water leakage when connecting structures.

In this roofing lesson, Tom Silva demonstrates the critical steps required to prevent water from entering a roof system. The demonstration focuses on the installation of a membrane and flashing, which are necessary to protect the connection point between a house and an adjacent structure, such as a new garage or in-law suite.

Proper application of these materials is essential for preventing leaks before the first course of shingles is even laid.

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