|
I- |
Paving brick
exposed to
extensive
abrasion such as
driveways |
|
II- |
Paving brick
exposed to
intermediate
traffic such as
exterior
walkways |
|
III- |
Paving brick
exposed to low
traffic such as
patios in a home |
|
FB- |
Brick with a nonuniformity in size,
color, and texture of
each unit |
|
FBS- |
Brick for
general use in
exterior and
interior walls
where wider
color ranges and
size variations
are permitted |
|
FBX- |
Brick for
general use in
exterior and
interior walls
where a high
degree of
mechanical
perfection,
narrow color
range, and
minimal
variation in
size is
permitted |
|
HBA- |
Hollow brick
with a nonuniformity in size,
color, and texture of
each unit |
|
HBB- |
Hollow brick for
general use in
walls where
color and
texture are not
a consideration
and a greater
variation in
size is
permitted |
|
HBS- |
Hollow brick for
general use in
exterior and
interior walls
where wider
color ranges and
size variations
are permitted |
|
HBX- |
Hollow brick for
general use in
exterior and
interior walls
where a high
degree of
mechanical
perfection,
narrow color
range, and a
minimal
variation in
size is
permitted |
|
PS- |
Floor and patio
brick intended
for general use
installed with
or without
mortar joints
where bonds do
not require
extremely close
dimensional
tolerances |
|
PX- |
Floor and patio
brick intend for
installation
without mortar
joints where
exceptionally
close
dimensional
tolerances are
required as a
result of bond
patterns or
construction
requirements |
|
PS- |
Floor and patio
units
manufactured and
selected to
produce
characteristic
architectural
effects
resulting from nonuniformity in size,
color, and texture of
individual units |
