What is Roof Flashing and What is its Purpose?

As homeowners, we all want to ensure that our homes are in perfect condition, both inside and out. One essential part of your home's exterior that requires regular maintenance is your roof. It not only enhances your home's curb appeal but also protects your family and possessions from the elements. One of the key components of your roofing system is flashing, which is used to prevent water from penetrating vulnerable areas and causing damage. In this blog post, we will be discussing what roof flashing is and its purpose.

Roof flashing is a thin metal or plastic material that is installed on your roof to protect areas that are prone to water damage. The primary purpose of flashing is to redirect water from these vulnerable areas so that it does not enter your home. They are typically installed around pipes, chimneys, and skylights, and in valleys where two slopes meet. Flashing plays a crucial role in ensuring that your roof lasts longer and remains leak-free.

There are several types of flashing available, and the type you use depends on your roofing system and the area you need to protect. The most common types are step flashing, drip edge flashing, valley flashing, and chimney flashing. Step flashing is used around dormers and other roof projections, while drip edge flashing is installed on the edges of your roof to prevent water from penetrating underneath. Valley flashing is used where two roof surfaces meet, and chimney flashing is used to prevent water from entering the gap between the chimney and the roof. Understanding the different types of flashing is essential to ensure that your roofing system is correctly installed and maintained.