Steel Roof Rafter Sizes

As a general rule roofs that have a high human occupancy rate should be framed with rafters every 16 structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes.

Steel roof rafter sizes.

Get the strength of steel with the ease of building with wood. First choose from four different steel panels. Press design to obtain sizes. Crating and bundling for a box truck this is necessary when not shipping on a flatbed truck.

Rise and run means that a 6 12 pitch roof has 6 of rise vertical for each foot of run horizontal. Bar joist are 24 00 per foot on sizes of 10 16 20 and 24 feet. The rise will be the elevation change over the 12 inches. Whether you re building a new home or want to replace your existing roof there s no better option than steel.

Menards is your 1 source for all your steel roofing needs. For example a slope of 6 12 means for every 12 inches of horizontal distance the slope of the roof will rise 6 inches vertically. Alternatively design in a specific timber or steel material type. Pitch slope the pitch or slope is the incline of the roof expressed as a fraction describing the rise over the run.

Our roof rafter calculator tools are handy for calculating the number of rafters needed rafter length calculator lineal feet of rafter board feed in ridge and sub facia and the total board feet in the roof. Clear spans up to 80 feet. Design of single span rafters in roofs in houses office buidlings schools and other structures. See some projects blog.

Steel trusses come in three types. Everything you need to build the perfect space. Gable lean to and header. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center.

The run or the base number is 12 inches. For example in the rafter span table below the highlighted cell in the 40 live load table indicates that 2 x 8 southern yellow pine joists that have a grade of 2 that are spaced 24 apart can have a maximum span of 10 feet 3 inches 10 3 if designing for a live load of 40 lbs ft 2. Pro rib premium pro rib pro snap and architectural premium pro rib next select from 25 solid colors or 5 architectural colors. Pick list all suitable timber and steel sections to design across all timber and steel sections.

30 feet is available for 27 00 per foot. Gable trusses are in stocked in a 4 12 slope x 20 24 30 and 40 width and special order up to 50 wide 60 for tubing trusses.