Where is flashing required?

Anywhere two different building surfaces meet: around windows and doors, at roof-to-wall intersections, chimneys, and skylights.

How do I know if my flashing has failed?

Water stains near windows, peeling paint on trim, soft wall framing, and visible rust or gaps.

🔨 Construction & RemodelingModerate

Flashing: Flashing is thin sheet metal installed at joints…

Definition

Flashing is thin sheet metal installed at joints and transitions on a home's exterior to prevent water from penetrating behind siding and around windows. Failed flashing is responsible for an estimated 90% of water intrusion problems.

Also known as: roof flashing, window flashing, metal flashing

Common Questions

Real-World Example

You'd see this when CRM Services is replacing windows on a 1990s home in Hazel Dell, WA.

Why It Matters

Flashing failures are one of the most common and costly hidden problems in PNW homes.

Related Services

Exterior Repairs Remodeling

Related Terms

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Siding (Types and Materials)

Siding is the exterior wall cladding that protects a home from weather while defining its curb appea...

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Soffit and Fascia

The soffit is the horizontal underside of a roof overhang, and the fascia is the vertical board runn...

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