Get To Know Your Roof: Flashing

Brick Step Flashing
Brick Step Flashing
When doing research on roof and roofing services, you will undoubtedly come across many unfamiliar terms and names for the various components of roofs. The “Get To Know Your Roof” series aims to alleviate any confusion and help familiarize the uninitiated with these terms. Today we will address “Flashing”.

Flashing is used for protection against leaks in vulnerable areas of a roof especially where there is heavy water runoff. Think of flashing like a metal “molding” around chimneys, dormers, vents, skylights, and valleys, places where leaks are most likely.

The most common flashing types are:

Valley flashing

Used to protect valleys of a roof. Flashing is installed over the elt layer than covered in roofing material.

Vent pipe flashing

Protects the area around a vent, typically with a flange at the bottom incorporated into shingles as they are installed.

Lead flashing

Used with tile roofs, the lead is formed to the shape of the tile.

Step Flashing

Creates a step-like appearance on the side of a chimney or dormer. Created by using individual strips of flashing being added with each layer of shingles.

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