timber frame purlins

C

Collar Purlin: Horizontal longitudinal beam running under the collar beams and usually supported by crown posts.

Common Purlin/Principal Purlin: In a roof frame, lengthwise member regularly spaced in sets, connecting principal rafters and carrying the roof sheathing.

P

Principal Purlin: In a roof frame, lengthwise timber connection principal rafters and carrying common rafters.

Purlins: Horizontal timbers that connect rafter trusses.

Purlin Plate: Timbers used to support common rafters near the centre of their span and itself supported by posts or struts.

Ridge Purlin: In a roof frame, a ridge member, continuous or interrupted by rafter apexes, lying in notches or trenches on one side of the roof; if continuous, sometimes itself trenches where it crosses a principal rafter.

 

Click here to go back to the Timber Frame Main Glossary Page.

 

 

 

TimberhArt Woodworks (formerly Acorn Timber Frames)
L. Daniel and Kimberley Reagan
195 Fuller Rd., Hantsport NS B0P 1P0
Tel: 902 684-9708 || Toll Free: 1-866-395-3838 || Fax: 902 684-9844
E-mail or use our CONTACT FORM »




Copyright © 2001 – TimberhArt Woodworks