Travis,
Here's how I would break it down, based on Table 8.6.2.2.1(a):
* Combustible construction, per 3.3.17
* Unobstructed construction, per A.3.7.2(5)
* Members spaced < 3'-0" on center (24" < 36")
So, I'd follow the table, and space them at 130 ft².
*Ken Wagoner, SET
*Parsley Consulting***
*350 West 9th Avenue, Suite 206
*Escondido, California 92025
*****Phone 760-745-6181*
Visit our website <http://www.parsleyconsulting.com/> ***
On 5/6/2015 9:04 AM, Travis Mack wrote:
For an attic with light gauge steel trusses spaced 24" on center and plywood
deck sheathing, would the spacing be limited to 130 sq ft or would 225 be
acceptable? Slope is 3:12.
Travis Mack, SET
MFP Design, LLC
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