Metal Roof Joist Span Table

For two equal spans the listed span is the center to center distance from either end to the center support.

Metal roof joist span table.

To talk to one of our expert design team about how to use our metal web joist span table to calculate your design please call on 01933 279597. Calculated allowable properties are based upon aisi s100 07 north american specification for the design of cold formed steel structural members. Refer to k series load table and specification section 6 for required bolted diagonal bridging. Table notes spans are based upon continuous support of compression flange over the full length of the joist.

If stud height exceeds table web stiffeners are required. Us ls 36 wall and roof panels load charts. These span tables are the equivalent of other industry standard span tables and are calculated to the same standards. This span table is to the format and methodology given in bs 5268 7 2.

Download our steel joists and steel deck load tables to facilitate the design of your next project featuring new millennium products. In depth catalogs feature the latest information and are available in convenient interactive pdf format. Ceiling joist top flange braced 48 o c. Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size.

They are typically categorized based on either material or the shape. Size in gauge joist spacing in 12 16 24 allowable single span ft in 3 5 8 20 10 89 0. Click on a span to generate a full calculation you can adjust the exact span. These spans were calculated using our flat roof joist calculation engine.

The load span table below is based on allowable stress design asd. Joists can also be used for office floors metal web joist span table sheet attached. Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size. There are several types of purlins that existed.

All about purlin span for metal roof. For loads calculated based on asce 7 10 lrfd please refer to section 2 4 1 of asce 7 10 for the applicable load combinations using allowable stress design. Distances are joist span lengths see definition of span on page 23. One row two rows three rows four rows round rod 1 2 round 1 x 7 64 1 1 4 x 7 64 1 1 2 x 7 64 1 3 4 x 7 64 2 x 1 8number 2 1 2 x 5 32.

375mm deep joists can span up to 7 5m for apartments at 400mm centres. A web stiffener is a 6 length of stud secured to the stud web at both ends of the stud with four 4 8 pan head screws.