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Russell W. Wood, CSI, CCS
Senior Member
Username: woodr5678

Post Number: 92
Registered: 11-2003
Posted on Friday, June 22, 2007 - 02:18 pm:   Edit PostDelete PostPrint Post

Is anyone familiar with the UltraSTEEL studs for non-load bearing drywall framing. I'm told they already make up 60% of the market (at least in S. FL) and are thinner than standard 25/20 gage studs but are reinforced by dimpling the steel to meet deflection criteria of ASTM C465. Diedrich and Clark currently manufacturer UltraSTEEL with others coming onboard with similar product soon. Is this the future or just marketing?
Nathan Woods, CCCA, LEED AP
Senior Member
Username: nwoods

Post Number: 212
Registered: 08-2005
Posted on Friday, June 22, 2007 - 02:23 pm:   Edit PostDelete PostPrint Post

We had a recent product presentation in my office on these studs. The peening makes great sense structurally, and the ease of use (friction pre-fitting, ease of cutting, etc...) are very appearant.

I have not used them in actual construction, but they look terrific and would have no problem accepting a submittal of them on future projects.
Richard Howard, AIA CSI CCS LEED-AP
Senior Member
Username: rick_howard

Post Number: 137
Registered: 07-2003
Posted on Friday, June 22, 2007 - 02:38 pm:   Edit PostDelete PostPrint Post

With two of the biggest players embracing the technology, it will likely become the norm. I have heard that installers like the fact that the screws don't try to walk as they start into the steel. As for thickness, US standard gages have been meaningless since the withdrawal of the standard defining thicknesses, but they are still used in marketing of several products. It is usually next to impossible to get anyone to tell you what the actual thickness of metal is, and in fact, it may vary slightly depending on the supplier of the steel coil. In any case, the dimples make it real hard to use a micrometer.

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