Roof Operations- by Craig Reed.pdf

• Roof Construction
Panelized Construction
• Consist of large, laminated beams spaced 12‟
to 40‟.
• Beams can span well over 100‟.
• Purlins with metal hangers on 8‟ centers.
• Purlins may be timber or truss design
• 2” x 4” rafters 2‟ on centers.
• Decking is usually 1/2” plywood.