Values shown in the load tables for three or more spans are based on uniform bay spacings. If non-uniform bay spacings exist, contact factory. UNCONTROLLED COPY. Notes: 1.The weight of the section has not been subtracted from these values. …

Mar 20, 2020 · This is going to impact how many purlins you need. Once the purlin run system has been decided, it is time to select the purlin size. The sizes are as follows: A four-inch purlin can span 12 feet; A six-inch purlin can span 18 feet; An eight-inch purlin can span 25 feet; A ten-inch purlin can span 30 feet

Metroll purlins and girts are manufactured from hi-tensile G450, G500 or G550 galvanised steel, with a minimum Z350 (350 g/m 2 ) galvanised coating conforming to AS 1397.

Flexospan provides standard, even-profile C purlins and C girts as well as custom profiles and punching patterns. We manufacture any component from 1/2" steel subgirts to 12" section up to 10 gauge. Steel c purlins and c girts are also available with other depths and flange widths.

Wood Span Charts for Purlins. Based on the lumber we sell you from the factory here are standard wood span charts we operate off of, with engineer oversight. Keep in mind you would want to check with your local lumber yards for what the lumber they have available is …

May 9, 2011 · PL-4 www.whirlwindsteel.com SUBJECT TO CHANGE WITHOUT NOTICE WHIRLWIND BUILDING COMPONENTS 8234 Hansen Rd. | Houston, TX 77075 | (Phone) 713.946.7140 | (US Wats) 800.324.9992 Purlin Load Tables Simple Span Capacities

After determining the purlin system, it's time to select the appropriate purlin size. The available options are: A 4-inch purlin can cover a span of 12 feet; A 6-inch purlin can cover a span of 18 feet; An 8-inch purlin can cover a span of 25 feet; A 10-inch purlin can cover a span of 30 feet; With this knowledge, measuring and choosing the ...

The continuous span charts and the guidance given (particularly for those of five or more spans) is conservative and a more refined analysis may give slightly different results.

Load Table Notes 1. Tabulated values are allowable superimposed loads (PLF) on normal 1/2:12 to 4:12 roof pitches. Purlin weights have not been subtracted from them. 2. Weight of roofing material and other dead loads must be subtracted from tabulated values of purlins to determine net live load capabili es. 3.

A C-Purlin span chart is a table or chart that provides information on the maximum allowable span for a C-Purlin of a given size and gauge (i.e. thickness) when used in a specific load-bearing application.