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 & RemodelingModerateAlso: roof flashing, window flashing, metal flashing

Flashing

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.

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 RepairsRemodeling

Related Terms

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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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