Metal Sales Residential - Manual (Page 8)

© Metal Sales Manufacturing Corporation / Subject to change without notice 6/14
7
RESIDENTIAL DESIGN GUIDE
SECTION PROPERTIES
ALLOWABLE UNIFORM LOADS, psf
For various fastener spacings
Ga. Width
in
Yield
ksi
Weight
psf
Top In Compression Bottom In Compression Outward
Load
Ixx
in 4 /ft
Sxx
in 3 /ft
Ixx
in 4 /ft
Sxx
in 3 /ft 0'-6" 1'-0" 1'-6" 2'-0"
26 16 50 0.90 0.0165 0.0174 0.0165 0.0177 103 96 90 84
24 16 50 1.19 0.0210 0.0226 0.0210 0.0226 103 96 90 84
 Slope
 Substructure
 Coverage
 Length
 Fasteners
 Availability
GENERAL INFORMATION
The minimum recommended slope for the Image II roof
panel is 3:12.
Image II is designed to be utilized over a solid substrate.
To avoid panel distortion use a properly aligned and
uniform substructure.
NOTE: Image II roof panels are not recommended for use
over open structural framing.
Image II panels are available in a 1" seam height with a 12"
or 16" width coverage.
Minimum factory cut length is 5'-0". Maximum
recommended panel length is 30'-0". Longer panels require
additional consideration in packaging, shipping, and
erection. Please consult Metal Sales for recommendations.
The fastener selection guide should be consulted for
choosing the proper fastener for specific applications.
Quantity and type of fastener must meet necessary loading
and code requirements.
NOTE: All panels are subject to surface distortion due to
improperly applied fasteners. Overdriven fasteners will
cause stress and induce oil canning across the face of the
panel at or near the point of attachment.
Finishes: Acrylic Coated Galvalume ® , MS Colorfast45 ® ,
or various PVDF (Kynar 500 ® ) colors.
Gauges: 26 gauge or 24 gauge
ATTACHMENT DETAIL
FASTENING PATTERN
Image II Panel
Woodscrew
Image II Design Information
1. Theoretical section properties have been calculated per AISI 2007 'North American Specification for the Design of Cold-
Formed Steel Structural Members'. Ixx and Sxx are effective section properties for deflection and bending.
2. Allowable loads are calculated in accordance with AISI 2007 specifications considering bending, shear, combined bending
and shear, deflection and ASTM E 1592 uplift testing for 24 ga and 22 ga and UL 580 uplift testing for 26 ga. Allowable
loads consider the 3 or more equal spans condition. Allowable loads do not address web crippling, fasteners or support
material. Panel weight is not considered.
3. Deflection consideration is limited by a maximum deflection ratio of L/180 of span.
4. Allowable loads do not include a 1/3 stress increase for wind.
Panel Fasteners