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ABBREVIATIONS
Carpenters use the following abbreviations in connection with lumber:
ad - air-dried
al - all length
av - average
avw - average width
avl - average length
bd - board
bf - board foot
bdl - bundle
bev - beveled
bm - board (foot) measure
btr - better
clg - ceiling
CL - centerline
clr - clear
CM - center-matched; that is, tongue-and-groove joints are made along
the center of the edge of the piece.
com - common
csg - casing
ctg - crating
cu ft - cubic foot
D&CM - dressed (one or two sides) and center-matched
D&M - dressed and matched; that is, dressed one or two sides and tongue
and grooved on the edges. The match may be center or standard.
ds - drop siding
D&SM - dressed (one or two sides) and standard-matched
D2S&CM - dressed two sides and center-matched
D2S&SM - dressed two sides and standard-matched
0 - diameter
dim - dimension
e - edge
FAS - firsts and seconds, a combined grade of the two upper grades of
hardwoods
fbk - flat back
fbm - feet board measure (board feet)
fcty - factory (lumber)
fg - flat grain
flg - flooring
fok - free of knots
frm - framing
ft - foot or feet
hdl - handle (stock)
hdwd - hardwood
hrt - heart
hrtwd - heartwood
in - inch or inches
kd - kiln-dried
kd - knocked down
lbr - lumber
lgr - longer
lgth - length
lin ft - linear foot; that is, 12 inches
lr - log run
lr mco - log run, mill culls out
m - thousand
mfbm - thousand (feet) board measure
mco - mill culls out
merch - merchantable
mr - mill run
mfsm - thousand (feet) surface measure
mw - mixed width
no - number
1s & 2s - ones and twos, a combined grade of the hardwood grades of
firsts and seconds
ord - order
p - planed
pat - pattern
pky - pecky
pln - plain, as in plain sawed
pn - partition
qtd - quartered (with reference to hardwoods)
rd - round
rdm - random
res - resawed
rfg - roofing
rfrs - roofers
rip - ripped
rl - random length
rw - random width
S&E - surfaced one side and one edge
S2S&M - surfaced two sides and standard- or center-matched
S2S&SM - surfaced two sides and standard-matched
sap sapwood
S1E - surfaced one edge
S1S1E - surfaced one side and one edge
S1S2E - surfaced one side and two edges
S2E - surfaced two edges
S4S - surfaced four sides
S&CM - surfaced one or two sides and center-matched
S&M - surfaced and matched; that is, surfaced one or two sides and
tongue and grooved on the edges. The match may be center or standard.
S&SM - surfaced one or two sides and standard matched
S2S&CM - surfaced two sides and center matched
sb - standard bead
sd - seasoned
sdg - siding
Sel - select
sesd - square-edge siding
sf - surface foot; that is, an area of 1 square foot
sftwd - softwood
shd - shipping dry
ship - shiplap
sm - standard matched
snd - sap no defect
snd - sound
sq - square
sq e - square edge
sq e&s - square edge and sound
sgrs - squares
std - standard
stk - stock
sw - sound wormy
t&g - tongue and groove
tb&s - top, bottom, and sides
TO - theater of operations
tbrs - timbers
vg - vertical grain
wal - wider, all length
wdr - wider
wt - weight
wth - width
SYMBOLS
Symbols commonly used in carpentry are given below. For additional information
on the various
symbols used in construction plans and blueprints, refer to TM 5-704.
Architectural
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