Searching for Purlin Roof Support information? Find all needed info by using official links provided below.
https://www.youtube.com/watch?v=exVK0Xr-pmE
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https://www.reference.com/world-view/function-purlin-f1ab0bb83a57b315
Purlin function as a form of support for rafters and are horizontal structural members in a building, architecture or structural engineering. They are used to increase roof spans without the need for increasing rafter sizes or compromising wall stability.
https://www.engineersedge.com/civil_engineering/purlin_roof_structure_9898.htm
In architecture or structural engineering or building, a purlin (or purline) is a horizontal structural member in a roof. Purlins support the loads from the roof deck or sheathing and are supported by the principal rafters and/or the building walls, steel beams etc.
https://en.wikipedia.org/wiki/Purlin
In steel construction, the term purlin typically refers to roof framing members that span parallel to the building eave, and support the roof decking or sheeting. The purlins are in turn supported by rafters or walls. Purlins are most commonly used in Metal Building Systems, where Z-shapes are utilized in a manner that allows flexural ...
https://www.quora.com/What-is-the-difference-between-rafter-purlin
Purlin and rafter are the basic members of any roof structure. They are the load transmitting members of the steel roof. They transmit the live load, dead load , wind load (which is considerable in large steel structures with low permiability ) an...
https://www.chinhdaisteel.com/en/what-is-a-purlin/
Purlin. The purlins of a roof support the weight of the roof deck. The roof deck is the wood panel, ply board, or metal sheeting that creates the surface of the roof. When made of wood, it is usually covered with some sort of weatherproofing and sometimes an insulation material. Several kinds of purlins exist.
http://www.jwkhomeinspections.com/blog/collar-ties-rafter-ties-purlins-san-antonio-home-inspector.html
Purlins are present for rafter support. An important notation is that the purlin braces are off of walls as needed. Bracing can not be off of the ceiling (joist) frame. Left Image- Bowed exterior wall due to missing Rafter Ties. Image at right shows a sagging Roof Ridge as a result of the missing Rafter Ties and the bowed out exterior wall.
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