Product Technical Guides : US-EN Direct Fastening - Volume 1 Edition 22 | Page 131

Direct Fastening Technical Guide , Edition 22
Base Material Properties 1
Base Material
Material Strength
Base Metal
Minimum Corner
Thickness t l
Web Width w I
Distance c e
Minimum Edge Distance c
Cold formed steel studs
f cc
= 30-60 ksi
18ga ( 43 mils ) – 12ga ( 97 mils )
1-3 / 8 " – 3 " 0.2 " 0.2 "
t
Track sections
f cc
= 30-60 ksi 18ga ( 43 mils ) – 12ga ( 97 mils )
1-3 / 8 " – 3 " 0.2 " 0.2 "
1 . Fastening should be done on cold-formed steel or track sections , not at intersection between studs and tracks at corners .
Fastening Pattern , Edge Distance and Spacing on Insulation Materials
Fastened Material
Rigid mineral wool EPS , XPS , PIR , PUR , PIR / PUR with foil facing
Minimum Number of Fasteners Per Square-Foot 1
0.6
Pattern , Edge Distance and Spacing
Follow insulation board manufacturer ' s recommendations
1 . Required even if ancillary support is provided , or if the board manufacturer ' s minimum spacing is greater .
Performance Data
Recommended resistance under tension and shear load Tension lb ( kn ) N rec
Shear lb ( kn ) V rec
45 ( 0.2 ) 45 ( 0.2 )
• Minimum cold-formed steel base material strength 33ksi .
• Minimum base material thickness 18ga ( 43 mils ).
• The above data is valid when fasteners are installed according to edge and corner distance specifications and all successful fastening points have nail at least 0.36 " nail protrusion .
• The above data values are for cold formed steel studs and track sections based on laboratory and field testing .
• The above data refers to the fastener pull-out failure mode .
• For pull-over capacity please consult insulation material supplier .
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