To it the purlins of the roof could be fastened.
"Inca Land" by Hiram Bingham
It is proposed to employ for its covering wooden purlins and tin plates.
"Scientific American Supplement, No. 586, March 26, 1887" by Various
Purlin roof 188 286.
"Carpentry for Boys" by J. S. Zerbe
The purlins and collar can be made and fitted after the roof is raised.
"Shelters, Shacks and Shanties" by D.C. Beard
Metl-Span LLC, based in Lewisville, TX, has introduced CFR Retro- Seam ™, an insulated metal standing seam roof panel that features the innovative Roof Hugger® sub-purlin system.