What Are Metal Flashings? Metal flashings are critical components of an asphalt shingle roofing system. These include drip edge, rake edge, ridge vent, valley, step, base, and counterflashings. They are installed at roof terminations, junctions, and penetrations to divert water down the roof plane(s) into gutters, downspouts, and away from the structure, helping to prevent…
What Is the Concern? For asphalt shingle roofs, proper step flashing is crucial to prevent water infiltration and ensure the longevity of the roofing system. GAF’s standard step flashing instructions require step flashing to extend a minimum of 5 inches (127 mm) up the wall and a minimum of 5 inches (127 mm) out onto…
Why Is Proper Flashing So Important? Proper flashings and flashing techniques are crucial for the integrity of your new roof. When installed correctly, flashings provide a watertight seal against the elements, preventing leaks and extending the life of your roof. Poorly manufactured and installed flashings are the number one cause of roof leaks and are…
What Is Step Flashing? Step flashing is an essential component of asphalt shingle roofing systems, designed to prevent water infiltration at roof-to-wall intersections. Proper installation of step flashing ensures the longevity and performance of the roof by directing water away from vulnerable areas. Standard vs. Alternative Step Flashing Sizes Standard Step Flashing: Alternative Step Flashing:…
