Counter Flashing

What does Counter Flashing Mean?

Definition of Counter Flashing in Construction
Counter flashing is the opposing piece of metal, aluminum, fabric, etc. that slips under the actual flashing. This term can be used in different scenarios, however it generally refers to a waterproofing detail that is located along a roof edge, over a window or door, or any other area that will require waterproofing . Counter flashing normally consists of the same material that makes up the primary flashing of the component. Failure of counter flashing is as important as the primary flashings.