Bar Support Wire Size Data Sheet

Bar Support Wire Size
Minimum Wire Diameter Runner
Geometry
Top
.209
.162
Leg
.172
.162
—
3/4” to 7” heights in 5’ lengths; welded leg spacing 5” on-center
.209
.172
.162
3/4” to 7” heights in 5’ lengths; welded leg spacing 5” on-center
up to and including 2”
—
on-center —
.162
.162
over 2” to 4”
3/4” to 4” heights in 1/4” increments in
5’ lengths; welded leg spacing 2-1/2”
.209
.209
up to and including 2”
.162
on-center .209
.162
.162
over 2” to 4”
3/4” to 4” heights in 1/4” increments in
5’ lengths; welded leg spacing 2-1/2”
.209
.209
— 3/4” to 2” heights in 1/4” increments
over 2” to 5”
—
—
—
Legs at 20 degrees or less when height exceeds 12”; heights in 1/4” increments: legs reinforced with welded or encircling wires
.209
.209
over 5” to 9”
.262
.262
over 9”
.312
.312
Same as HC
Same as HC in 1/4” increments in 5’
— lengths; longest leg will determine wire
size
.262 Same as HC
4” to 12” heights in 5’ lengths; welded leg spacing 7-3/4” on-center
.209
4” to 12” heights in 5’ lengths; welded leg spacing 7-3/4” on-center
up to and including 2”
—
—
3/4” to 5” heights in 1/4” increments in 5’ lengths, leg spacing with No. 4 top wire is 5” on-center; leg spacing with No. 2 top wire is 10” on-center
.262
.262
over 2” to 5”
.262
.209
Symbol SB SBU
BB
BBU BC
HC
HCM
CHC CHCU
CHCM
Description
Slab Bolster Slab Bolster Upper
Beam Bolster
Beam Bolster Upper Bar Chair
High Chair
High Chair for Metal Deck
Continuous High Chair
Continuous High Chair Upper
Continuous High Chair for Metal Deck
Same as CHC
840 South 25th Ave Bellwood, IL 60104 708-493-9569 www.surebuilt-usa.com
01/24