Bowstring Truss Roof Construction

Multi member chord summerbell roof structures multi member mono chord vo vec roof structures multi member chord commercial roof structures multi member chord national truss company multi member chord easybow trusses by u.

Bowstring truss roof construction. They may have the same shape but shape alone does not define the bowstring truss. All bowstring trusses are not created equal and do not share the same characteristics when found in a building and occupancy. 5 most common commercial bowstring truss manufacturers in california arch rib truss co. The property management company for a local pizza restaurant chain contacted us to repair a series of bowstring trusses to the 60 year old building that the restaurant occupied.

For example bowstring trusses can be constructed of wood or steel. Bowstring trusses can be manufactured today to match existing structures or to match the look of an older industrial style building. Buildings built with bowstring truss roof structures have a number of other factors that can make them susceptible to collapse. Bowstring trusses have the appearance of a rounded top chord utilizing many top chord panels of varying pitch.

However they remain in place in older pre 1960s building stock. The major hazard attributable to timber truss construction which includes all timber truss roofs not just the bowstring arch may not be the construction itself but a combination of the following. Several beams make up the arch while the roof outside is made up of metal sheets or other materials. Bowstring roof trusses usually large and arched the bowstring trusses give support to the building s weight such as the aircraft hangars and the warehouses that require a lot of open space inside.

They were very popular in the early 1900s before trusses were built with metal connector plates. They are controversial today because of how they react when exposed to fire. One of the most easily identifiable when able to be visualized. Along with brad young and associates the engineer of record our team performed repairs to eight trusses.