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Flagstone =
Terrace and outdoor
paving, thin or split
from rock that cleaves
readily; produced by
sawing.
.
Flashing =
A
thin
impervious
material
placed
in
construction, e.g. in
mortar
joints
and
through air spaces in
masonry, to prevent
water penetration or
water drainage. Proper use and installation of
flashings are crucial for waterproofing.
Flash set =
Very rapid set or hardening of mortar.
Flue =
An incombustible, heat-resistant enclosed
passage that carries off smoke from a fireplace.
.
Footing =
Support for wall, column, or pier.
Forehand =
Laying brick by facing wall from outside and
moving forward while laying brick. (See
overhand).
Frog =
Small depression or indentation in the bed of a
brick. Also part of the trowel.