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Related to Purlin: roof purlin


(building construction)
A horizontal roof beam, perpendicular to the trusses or rafters; supports the roofing material or the common rafters.



a horizontal structural member in a roof. A purlin is supported on the principals (girders or trusses), and it supports panels or planking. Purlins are made of metal (solid or latticed), reinforced concrete, or wood (solid or with a closed or open cross section).

purlin, purline

A piece of timber laid horizontally on the principal rafters of a roof to support the common rafters on which the roof covering is laid. Compare with subpurlin; also See common purlin, principal purlin, ridge purlin, and through purlin.
References in periodicals archive ?
Bedroom three includes a door with an original stained glass panel, exposed wooden floor, purlin to ceiling and generous wardrobes.
here n--the number of purlins per beam from one side; L--the length of a beam; F--the force of purlin to a beam.
Typical failure mode was local buckling in purlin sections near outer bolts.
Envision Solar")(OTC BB: EVSI), a leading sustainable infrastructure product designer and developer, today announced that the company has successfully completed the engineering, manufacturing and deployment of its new pre-engineered purlin structures for Solar Tree Arrays.
The main product lines Dana Steel offers include various types of insulated composite profiled panels, profiled cladding sheets, wall cladding sheets, roof cladding sheets, curved cladding sheets, flashing sheets, sandwich panels, flat panels, cold store panels and secondary structural steel members such as Z & C purlins and ancillary accessories.
Then, working inside the frame, with a 2 x 4 with three-foot-long board, I lifted the plastic over the ridge and then over the middle purlin on the other side.
He advised the owner to fit temporary brackets to hold the ends of the purlins into place, together with props to support the purlins mid span.
4[degrees]F) and the metering chamber (insulation and purlin side) on the bottom and at 311.
The third bedroom has a high pitched ceiling with exposed purlin, and beautiful country views.
insul-sys]], that combined thermal resistance of the insulation drapes between the purlins with the thermal resistance of the insulation above the purlin.
Dyke, 34, of Purlin Walk, Netherton, admitted assaulting his partner causing her actual bodily harm.
The PH/SW Series rod hanger can be used on C or Z purlin or up to 1/4-in.