Dave Plowman (News) wrote:
In article ,
dj_nme wrote:

Flashing used to be done with lead foil sealed/glued with pitch, now it
is done with adhesive metal [usually aluminium] tape, hence "flashing
tape".


I wonder on what sort of construction?

The edges of flat roofs, the edges of walls between abutting buildings
(to prevent ingress of moisture between them) and around openings in
roofs (such as hatches, chimneys and skylights).