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Pan Flashing (doors/windows)

Building Science-to-Sales Translator

Pan Flashing (doors/windows) = Window/Door Water Barrier

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Technical Description

Windows and doors interrupt a wall’s water protection layer creating vulnerable spots for leakage. Properly installed flashing is critical and often required by code to stop water intrusion around doors and windows. Pan flashing is an element installed at the sills of windows and doors, the location most vulnerable to water intrusion. It has to integrate with jamb flashing and overlap the wall water barrier below to collect and direct any water that may leak through or around the opening back out to the exterior.

Alternate Terms

Dry-by-Design Windows and Doors
Window/Door Water Barrier Technology
Professionally Installed Window/Door Water Barrier

Window/Door Water Barrier
Sales Message

Window and door water barriers help drain water away all the openings in your wall system. What this means to you is peace-of-mind knowing your home has a comprehensive set of measures that minimize the risk of water damage in your home. Wouldn’t you agree every home should have full water protection?

Disclaimer

This content is a work created with funding provided by the United States Department of Energy under Contract no DE-AC05-076RL01830 for the operation of Pacific Northwest National Laboratory. The information and guidance provided by Pacific Northwest National Laboratory (PNNL) in the content are intended solely for educational purposes only and do not constitute formal training or certification. It is provided with the explicit understanding that neither the United States Government nor the United States Department of Energy, nor the Contractor, nor any or their employees, nor any jurisdiction or organization that has cooperated in the development of these materials, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness or any information, apparatus, product, software, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof, or Battelle Memorial Institute. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. Viewers assumes full responsibility for all actions that they may take from information provided in this content including ensuring the safety, code compliance, and proper functionality of any products they choose to install. Installation and use of such products should be performed in accordance with local regulations and manufacturer instructions.