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- a protective sheet metal detail, usually of lead or copper
covering a joint or surface
which may be exposed to rain penetration.
Where a horizontal meets a vertical surface, flashings are often in two parts, an upstand which turns up the vertical
surface with a cover or counter flashing, secured into a
raggle, which turns down over it.
Soakers are in effect small
individual flashings, laid
with each course of slate or tile.