Everything You Need to Know about Roof Flashing and Why It Matters
Roof flashing may not be the most noticeable part of a roofing system, but its role in preventing leaks is indispensable. This often-overlooked component acts as a protective barrier, shielding vulnerable areas of the roof from water infiltration—especially in regions with challenging weather conditions, such as Maine. What is Roof Flashing? Flashing is made of thin, sturdy materials—most commonly metals like aluminum, copper, or galvanized steel. It’s installed at critical roof points, such as intersections, edges, and areas around chimneys, skylights, and vents. The primary purpose is simple yet vital: redirect water away from seams and joints to prevent leaks. Without proper flashing, water can seep into the roof structure, leading to issues like rot, mold, and insulation damage. Different Types of Flashing and Their Functions Each type of flashing addresses a specific roofing challenge, keeping every corner of a roof secure: ● Step Flashing: Placed at roof-wall intersections, step ...