Skirt flashing

A formed metal counterflashing secured under a mechanical unit or skylight to cover and protect the upper edge of a base flashing and its associated fasteners.

Noun. A formed metal counterflashing secured under a mechanical unit or skylight to cover and protect the upper edge of a base flashing and its associated .

1. So it's quite common to catch the odd glimpse of someone's unmentionables as they go zipping by on a scooter with their skirt flapping in the.