What Is a Through Wall Flashing?

August 29th, 2022 |
What Is a Through Wall Flashing?

Through-wall flashings are installed inside the building envelope and direct water away from critical areas. While through-wall flashings are invisible to the naked eye, they play a crucial role in preventing water damage for all types of buildings.

There are many types of through-wall flashings, each designed for a specific building type. For example, masonry buildings require a different type of flashing than metal buildings. In general, through-wall flashings are typically made from stainless steel, aluminum, or another type of metal.

What Do Through-Wall Flashings Do?

Through-wall flashings direct water away from moisture-prone areas of the building. Water damage can cause significant problems for a building, including mold and rot. By preventing moisture buildups, through-wall flashings help to prolong the life of a building.

Because they are installed behind siding, stucco, or other exterior finishings, through-wall flashings are not visible from the outside of the building. However, they are accessible from the inside if needed.

Where Can I Buy Through -Wall Flashing?

You can purchase through-wall flashing from most building supply stores. Be sure to measure the area where you will be installing the flashing so that you purchase the correct size.

If you are planning to build or renovate a building, it is prudent to ensure that through-wall flashings are installed properly. Improperly installed flashings can cause problems down the road.

Work with Klassen Building Supplies to guarantee high-quality flashing. We fabricate and install through-wall flashings for all types of buildings.

Since 2004, Klassen Building Supplies has been a leader in sheet metal fabrication, supply, and installation in the Vancouver area. Klassen also does considerable custom metal work.

If you have any questions about this article or any of our sheet metal supplies, please call us at (604) 543-7331 or use the convenient form on our Contact page. Klassen is based in Surrey, BC.

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