purlins

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 1993

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 1993

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 Daniel Carter Beard 1895

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

Cyclone Yasi: Queensland takes stock of damage 2011

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 2006

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 2002

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.

6 STEEL TRUSSES 1999

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

6 STEEL TRUSSES 1999

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

6 STEEL TRUSSES 1999

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.

6 STEEL TRUSSES 1999