roof purlin

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Related to roof purlin: rafter roof

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.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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References in periodicals archive ?
Wires were laid flat against roof purlins, joists and top plates, and stapled into position.
The extra 3 1/2 inches will create a solid surface for securing the 4-by-4 roof purlins and slant wall girts.
The original roof purlins are still in place and all the windows have been purpose-made in hand-crafted oak, echoed by plain oak doors and open tread oak stairs to the two upper floors.
The master bedroom suite has exposed roof purlins, it's own walk in dressing room and an en suite shower room.