Metal Roofing Span Tables

Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch.

Metal roofing span tables.

Common spans panels of corrugated metal roofing typically come in 6 foot lengths. Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run. Roof rafter span use this table to determine the maximum lengths of roof rafters based on species and grade of lumber spacing dimensions load and slope. From span table c the maximum allowable single span is 2160mm.

There is an available purlin for every type of roofing material including purlin span for metal roof which is the most common material type to use this item. You can order sheets cut to specific lengths ranging from 5 to 45 feet long although it is difficult to handle a panel longer than 16 feet. Loads shown in the shaded areas are governed by the live load deflection. Load tables are calculated using section properties based on the steel design.

View load span tables for metl span s pbr single skin wall panels. A dead load of 10 psf has been included. Posts these span tables are designed for a minimum post size of 50 x 50 x 2 5mm up to a maximum height of 3 0m. Purlins are usually supported by rafter building walls or the weight of the roof deck itself.

Flat roof span tables allow for a maximum roof pitch of 5º. Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size. Spantec has prepared these tables for use by people skilled in the design and specification of the type of. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.

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. Reading off the empty under table with h 5m hc 2 5m span table c will be used to determine the spans. Step 4 assume the wind classification for the area is n1 and the roofing profile is stramit corrugated cladding 0 48mm bmt thickness in a single span configuration. All calculations for the properties of pbr roof panels are calculated in accordance with the 2012 edition of the north.

Rafter spans for southern yellow pine douglas fir and eastern spruce. Ksi reduced to 60 ksi in accordance with the 2012 edition of the north american specification for design of cold formed steel structural members a2 3 2. Thickness shown in the steel deck institute sdi design manual.