InterNACHI Roofing Practice Exam

Flashing is an essential roofing component designed to direct water away from critical areas of the roof, preventing leaks and water damage. There are seven main types of flashing commonly identified in roofing practices, each serving specific functions and applications.

The common types include step flashing, continuous flashing, counter flashing, apron flashing, pipe flashing, valley flashing, and chimney flashing. Each type of flashing is tailored for particular situations—such as the intersection of a roof and wall, around chimneys, or along valleys—ensuring that water does not penetrate vulnerable areas.

Understanding the variety of flashing types is crucial for roofing inspections and installation. When roofing professionals recognize and utilize the appropriate type of flashing for each scenario, they enhance the roofing system's integrity and durability, contributing to long-term protection against water intrusion.