FX Rail-Less Engineering

FX Engineering & Design Guide
IRONRIDGE CONFIDENTIAL
Page 10 of 21
Roof Zone 2 – South Edge Only
• If more than 25% of a module’s southern edge falls within RZ2, all mounts along the
southern row of the module follow RZ2 span/cantilever
Example: On a 30° roof, the southernmost row falls in Roof Zone 2.
Roof Zone 2 – East and West Edges
• Mounts touching the column of modules located (partially) in RZ 2, use RZ 2 spans.
• Adjacent Mounts use RZ 1 spans.