Chicago Metallic SpanFast® Center Support System
1-3/8" Drywall Suspension Furring Runner System
2
No support
Mid-span support
Two supports at 1/3 points
L
L
L
L/2
L/2
L/3
L/3
L/3
Allowable Load (lb/ft
2
) With No Lateral Bracing at L/240 (per ASTM C 645)
Span
Two
No
Mid-span
Supports
at
Support
Support
1/3
Points
Number Length Spacing
4
’
5
’
6
’
7
’
7
’
8
’
10
’
12
’
14
’
14
’
640SF.072
6
’
16
”
6.05
640SF.072
6
’
24
”
4.03
640SF.096
8
’
16
”
18.80
18.80
640SF.096
8
’
24
”
12.50
12.50
640SF.120
10
’
16
”
10.23
10.23
640SF.120
10
’
24
”
6.80
6.80
640SF.120
12
’
16
”
6.05
6.05
640SF.120
12
’
24
”
4.03
4.03
640SF.168
14
’
16
”
3.86
3.86
640SF.168
14
’
16
”
28.57
12.23
640SF.168
14
’
24
”
19.00
8.14
1. Component Load Test Data
ROCKFON, LLC | 4849 S. Austin Ave., Chicago, IL 60638 USA
Tel. +1-800-323-7164 | Fax. +1-800-222-3744 | www.rockfon.com | [email protected] | 10-2015
Installation Guide
