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324.5 Roof Purlins
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Roof purlins shall be a minimum of 4 × 2 SPF#2 laid flat for spans up to 4 feet, and 4 × 2 SPF#2 laid on edge for spans up to 8 feet.
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324.5 Building Planning, Roof Purlins
Roof purlins shall be a minimum of 4 × 2 SPF#2 laid flat for spans up to 4 feet, and 4 × 2 SPF#2 laid on edge for spans up to 8 feet ...
328.5 Building Planning, Roof Purlins
Roof purlins shall be a minimum of 4x2 SPF#2 laid flat for spans up to 4 feet, and 4x2 SPF#2 laid on edge for spans up to 8 feet. Roof purlins shall ...
328.7 Building Planning, Attachment Details
joist
3-10d
Face nail
Roof purlin to truss or rafter with span of 2' or 4'
2-16d
Face nail
Roof purlin to truss or rafter ...
328.2 Building Planning, Definition
) and secondary members (wood roof purlins, wall girts, bracing & sheathing) where all loads are transmitted from the sheathing and the secondary members ...
A2.3.2.1 Normative Appendix A Rated R-Value of Insulation and Assembly U-factor, C-Factor, and F-Factor Determinations,
The first rated R-value of insulation is for insulation draped over purlins and then compressed when the metal roof panels are attached ...