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Girder vs Purlin - What's the difference?

girder | purlin |

As nouns the difference between girder and purlin

is that girder is a beam of steel, wood, or reinforced concrete, used as a main horizontal support in a building or structure while purlin is a longitudinal structural member bridging two or more rafters of a roof.

girder

English

(wikipedia girder)

Noun

(en noun)
  • A beam of steel, wood, or reinforced concrete, used as a main horizontal support in a building or structure.
  • One who girds; a satirist.

    • purlin

    English

    Alternative forms

    * purline

    Noun

    (en noun)
  • A longitudinal structural member two or more rafters of a roof.

    • Derived terms

    *common purlin *principal purlin *purlin plate *through purlin *butt purlin *clasped purlin *trenched through purlin *back through purlin *clasped through purlin *threaded butt purlin *tenoned butt purlin *staggared butt purlin

    Hyponyms

    *(longitudinal structural member of a roof) purlin plate, principal purlin, common purlin