Lightweight Panelized Roof Construction
The panelized roof system is connected to the walls through the use of wood or steel ledgers and virtually all connectors used in panelized roof systems are available off the shelf and range from the 2 4 or 2 6 stiffener hangers to the more complex cantilever hinge connectors for the main glulam beam lines.
Lightweight panelized roof construction. In conventional construction you have solid structural elements 2x6 2x8 2x10 or larger rafters floor joists as examples. Wood masonry cinder block concrete tilt up slab. The pre framed panelized roof sections are assembled on the ground in lengths up to 72 feet and then lifted into place. Older construction buildings may consist of unreinforced masonry and have a conventionally framed roof while newer buildings will have lightweight roof systems supported by reinforced masonry or tilt slab.
We would like to show you a description here but the site won t allow us. This system speeds construction time and minimizes the amount of work required on the. Panelized wood roofs consist of structural wood panels attached to 2x4 or 2x6 dimension lumber sub purlins or stiffeners. Panelized wood roof systems combine long span glued laminated timber framing with a panelized plywood or oriented strand board roof deck.
Originally called the berkeley panelized system this method. What is considered old type lightweight 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. The most common types of roof systems in a commercial setting of type 3 construction include parallel cord truss and panelized roof systems.
2x3 to 2x4 rafters w 1x6 or no ridge board. Strengthening roof construction plywood metal straps etc. Conventional vs lightweight construction a primer building construction for the fire service third edition by frank brannigan we need to be able to differentiate between conventional construction and lightweight construction. The hybrid roof structure is open web steel trusses.
Panelized wood roofs have been in use for more than 40 years west of the mississippi where wood has always been plentiful but the roofing system is new to regions east of the mighty river and in canada where steel construction has always been dominant. Roof structures panelized structures has an innovative environmentally friendly solution for your large scale commercial industrial and agricultural storage building project.