Home > Terms > English, UK (UE) > Purlin

Purlin

1.) A horizontal roof member, steel or timber, sitting on the principal rafter of a truss or propped off a wall to support the rafters. AKA Under purlin. 2.) A horizontal roof member sitting on the rafters or on a truss or steel member that the roofing material is directly fixed to. AKA over purlin.

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  • Part of Speech: noun
  • Synonym(s):
  • Blossary:
  • Industry/Domain: Construction
  • Category: Roofing
  • Company:
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  • Acronym-Abbreviation:
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