purlin roof
1Purlin — Pur lin, Purline Pur line, n. [Etymol. uncertain.] (Arch.) In roof construction, a horizontal member supported on the principals and supporting the common rafters. [1913 Webster] …
2purlin — or purline [pʉr′lin] n. [ME purlyn < ?] a horizontal timber supporting the rafters of a roof …
3Purlin — In architecture or structural engineering, a purlin (or purline) is a horizontal structural member in a roof. Purlins support the loads from the roof deck or sheathing and are supported by the principal rafters and/or the building walls. The use… …
4Purlin, Side — ♦ One supporting the common rafters, part way up the slope of a pitched roof and carried by roof trusses, partitions and end walls. (Wood, Margaret. The English Medieval House, 414) Related terms: Purlin, Purlin, Butt, Purlin, Through, Purlin,… …
5Roof construction — This article is about house construction that consists of beams and an outer weatherproof skin, as found on most domestic architecture. Such roofs may take a number of different shapes. Construction of a ridged roofA simple ridged roof consists… …
6purlin plate — Carpentry. (in a curb roof) a purlin at the top of a lower slope supporting the ends of the upper rafters at the curb. Also called curb. * * * …
7purlin plate — Carpentry. (in a curb roof) a purlin at the top of a lower slope supporting the ends of the upper rafters at the curb. Also called curb …
8purlin — noun Etymology: origin unknown Date: 15th century a horizontal member in a roof …
9purlin — /perr lin/, n. a longitudinal member in a roof frame, usually for supporting common rafters or the like between the plate and the ridge. Also, purline. See diags. under king post, queen post. [1400 50; late ME purlyn, purloyne, akin to AL perlio; …
10purlin — noun [ˈpɜːrlɪn/ A horizontal structural member bridging two or more rafters of a roof …