Flashcards in Masonry Flashing Deck (16)
slope of the coping called
tops of walls/parapet flashed,
and capped w
base flashing installed at bottom of exterior wythe,
up 8-10” and set in joint in interior wythe.
weep holes located
24” OC horizontally,
in lowest course of brick.
and over windows,
+ shelf angles.
today openings are typ. spanned w:
alts to steel lintels
or masonry bond beam.
lintel carries load in triangular area w in __º from each side of opening
white deposit of salts
efflorescence caused by
materials w soluble salts
efflorescence removed by
or washing w 5% solution muriatic acid.
@ completion of a job, brick cleaned w
5-10% solution muriatic acid
problem w High Pressure Washing
may wash away mortar and create swirls
Water and Brush are best cleaners for
used for cleaning stubborn dirt/stains
technique used if mortar has fallen out
mortar removed to about 2.5x width of the joint,
new mortar pressed in,
w special tool.