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HomeGlossaryFlashing
Roofing

What is a Flashing?

Thin metal strips (usually aluminum or galvanized steel) installed at roof joints, chimneys, vents, and wall intersections to prevent water intrusion. Failed flashing is the #1 cause of roof leaks.

Related Terms

Drip EdgeIce DamStep Flashing

More Roofing Terms

Soffit
The underside of the roof overhang (eave). Soffits provide v...
Fascia
The vertical board that runs along the edge of the roof, mou...
Soffit Vent
Ventilation openings in the soffit (underside of roof overha...
Drip Edge
An L-shaped metal flashing installed along the edges of the ...