Steel Liner for Ceiling

[foamer01]

I have bought white steel ceiling liner for my garage, I am sure I am over thinking this however just wanting to do it right. Is there a screwing pattern for this product. I certainly don't want to over kill but also don't want the product to sag either. Any help you could lend would be appreciated.
Thanks,
Foamer

 

[CobraPhil]

It should be screwed with one fastener next to each rib. If it is 9" o.c. ribs and is Grade E steel, you can span 8' truss spacing with blown-in insulation. If it is a D grade or less, or rib spacing is 12", it needs to be screwed every 4'....so if you have 24" o.c. trusses screw every other one.

 

[nmanitou]

I did it next to each rib (9" spacing) and at 24" on center (at each truss) in the run direction. It was supporting batt insulation. See this Installation Manual
http://www.metalsales.us.com/files/installation-guides/PostFrameInstallGuide.pdf