Look up: Purlin

1. 
   Purlin
   Horizontal beam, part way up a rafter to prevent sagging
   Found on http://www.findabuilder.co.uk/working/gl
   
   
2. 
   Purlin
   Horizontal beam in a roof space, positioned part way up a rafter to prevent sagging.
   Found on http://www.interbuilders.co.uk/glossary/
   
   
3. 
   Purlin
   Positioned half-way up the slope of a roof, purlins are timber beams installed to support the rafters.
   Found on http://www.selfbuildabc.co.uk/self-build
   
   
4. 
   Purlin
   Positioned half-way up the slope of a roof, purlins are timber beams installed to support the rafters.
   Found on http://selfbuildhome.net/self-build-glos
   
   
5. 
   Purlin
   A secondary member in the plane of the roof and held in position by main roof members.
   Found on http://www.corusconstruction.com/en/desi
   
   
6. 
   purlin
   a horizontal beam, in wood or metal, which supports the rafters of a roof, or the roof itself Category: Building industry • A horizontal timber laid parallel with the wall plate and the ridge beam some way up the slope of the roof,resting on the principal rafters and forming an intermediate support for the common rafters(1) Category: Management in the public and private sector
   Found on http://www.mijnwoordenboek.nl/definition
   
   
7. 
   Purlin
   a continuous horizontal timber running parallel to the ridge, sometimes referred to as side timbers.. See roof.
   Found on http://www.trp.dundee.ac.uk/research/glo
   
   
8. 
   Purlin
   In architecture or structural engineering, 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. The use of purlins, as opposed to closely spaced rafters, is common in pre-engineered metal building systems and some timber frame construction. In timber roof construction prior to the introduction of truss...
   Found on http://en.wikipedia.org/wiki/Purlin
   
   
9. 
   Purlin
   • (n.) Alt. of Purline
   Found on http://thinkexist.com/dictionary/meaning
   
   
10. 
    Purlin
    Usually a cold-formed horizontal structural member attached perpendicular to the joist top chord or main frames of a building for support of the roof deck. [] [Q]
    Found on http://www.hancockjoist.com/glossary.htm
    
    
11. 
    purlin
    One of a series of horizontal framing timbers supporting the rafters or spanning between trusses or frames and supporting the roof. Purlins usually span at right angles to the slope of the roof
    Found on http://oak.arch.utas.edu.au/glossary/vie