The stiffeners are attached to secondary wood framing members referred to as purlins.
Panelized roof construction.
Evolution of panelized roof construction over 40 years ago a small california company called berkeley plywood began with a revolutionary new method for framing a roof on industrial and commercial buildings.
Panelized structures sets the standard for innovation and safety in large scale commercial and industrial building roof structures.
With a history of success in the western u s.
Panelized wood roof systems combine long span glued laminated timber framing with a panelized plywood or oriented strand board roof deck.
The pre framed panelized roof sections are assembled on the ground in lengths up to 72 feet and then lifted into place.
The hybrid roof structure is open web steel trusses combined with wood osb roof panels.
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The two most common types of panelized wood roof systems used in north america are all wood and hybrid systems.
Panelized wood roofs consist of structural wood panels attached to 2x4 or 2x6 dimension lumber sub purlins or stiffeners typically spaced 24 inches on center.