from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of purlin.


Sorry, no etymologies found.


  • For structural members which are under high stress, such as purlins, rafters and trusses, the selection of suitable timber is of great importance.

    4. Roof structure

  • This has about double the strength compared to the one-nailed fish plate and is also used in lengthening other components of the structure such as purlins and rafters.

    4. Roof structure

  • Inside of this erect four longer forked sticks, then place across these four horizontal side-plates, or maybe they might be more properly called "purlins," in which case the sticks laid on the forks of the circle of small uprights will properly correspond to the side-plates of a white man's dwelling.

    Shelters, Shacks and Shanties

  • For roofing iron, the addition of extra purlins or battens and additional screws is a further benefit.

    Cyclone Yasi: Queensland takes stock of damage

  • Tables had been spread in the apartment which lent its name to the whole building — the hall proper — covered with a fine open-timbered roof, whose braces, purlins, and rafters made a brown thicket of oak overhead.

    A Changed Man

  • Consisting of overhanging mtl corrugated panels over purlins & frame construction, the idea is to have 2-3 feet in between roofs suported by posts anchored to the exterior masonry walls.

    Cooling a Concrete Roof

  • For MCR roofing material, the purlins have a spacing of 400 mm and must be comprised of equal angle bars of at least EA 50 × 50 × 5 sizes.


  • As the purlins are welded with the leg facing upwards, a support made of a flat (from cuttings) is to be added to secure the connection at each truss.


  • The ridge purlins, which span the distance between gable or intermediate walls, cannot be designed as rebar joists.


  • These cross braces are welded to the top chord members and also to the purlins at each intersection.


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