For example you can span a 1 grade no knots southern yellow pine a greater distance than a 2 grade with knots southern yellow pine.
Steel roof joists span.
All american made engineered agricultural gable trusses 4 12 pitch heavy duty 2 angled steel painted black.
Typically used in non residential construction steel joists and joist girders provide an economical system for supporting floors and roofs.
In depth catalogs feature the latest information and are available in convenient interactive pdf format.
Span calculator for wood joists and rafters also available for the android os.
Options to set the roof girders on wood post or concrete wall also available.
Also available for the android os.
Open web steel joists are an engineered truss like construction component used to support loads over short and long spans alike.
Download our steel joists and steel deck load tables to facilitate the design of your next project featuring new millennium products.
Depending on loads and spans c joists are typically spaced at 12 16 19 2 or 24 on center spacing.
The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers.
A sl series truss is a single slope truss that includes steel girders and steel columns with clear span widths from 10 through 80 with available eave heights of 8 through 20.
Allowable limiting heights spans contact clarkdietrich technical services at 888 437 3244 for any questions on tables below.
Rafter and joist span faq.
Provide a lightweight low cost rigid floor assembly c joist components provide an economical lightweight alternative to open web trusses bar joists engineered lumber cast in place or hollow core floor assemblies.
Prostud limiting height charts new clarkdietrich itools structural stud lookup tool interior wall heights w structural framing interior.
Steel joists joist girders.
For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
All come with 16 overhang past post.
Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
Total load psf duration factor live load psf roof type 55 1 15 40 snow shingle 55 1 15 30 snow tile 47 30 snow 40 20 snow 1 25 20 construction or rain not snow load 55 1 15 40 snow.
Pre welded clips on 2 centers for wood or steel secondary framing.
Structural track usually in the same gauge as the.
12 50 a foot up to 20 14 95 a foot over 20 we stock 24 30 and 40 gable trusses and 12 lean to trusses.
Span configuration and load conditions.
The lengths and sizes of joists vary depending on the species and quality of the lumber used.