Like their namesake, pre-engineered buildings are planned, designed, and manufactured in advance of their installation. Girts support a wall cladding system (frequently metal panel.) The wall systems include wall secondary structural members called girts that also span from frame to frame. The roofing system attaches to the purlins. ![]() They are spaced several feet apart across the width of a building. ![]() On top of and running perpendicular to these frames are roof secondary structural spanning members often referred to as purlins. The frames created can span large distances without intermediate supporting columns, often up to 300 feet across or more. These structural systems generally consist of rigid frames that are fabricated from plate steel which has been shaped through a manufacturing process. ![]() A pre-engineered steel building system is a building enclosure system that often includes roofing and wall cladding.
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