Flashing
Thin pieces of metal or other waterproof material installed at roof intersections and projections to prevent water infiltration.
Why It Matters for Homeowners
Flashing is critical at vulnerable points like chimneys, vents, skylights, and where the roof meets walls. Step flashing, counter flashing, and valley flashing are different types used in various locations. Properly installed flashing is essential for a leak-free roof.
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