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Purlin |
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purlin [′pər·lən]
(building construction) A horizontal roof beam, perpendicular to the trusses or rafters; supports the roofing material or the common rafters. purlin, purline purlins Purlin 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). Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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