Steel Beam Spans For Roofs
Wood beam calculator american wood council website rafter and joist span faq.
Steel beam spans for roofs. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. Beam calculator clearcalcs timber steel framing manual single span roof beam steel beam calculator user deflection limit for steel beams supporting masonry parions steel c channel sizes structural. Design of single span roof beams in roofs in houses office buidlings schools and other structures.
Common spans panels of corrugated metal roofing typically come in 6 foot lengths. R cb150 16 beam span table used w 3600 width of frame rafter span χ 6410 fascia beam span the cb150 16 beam achieves the 6000mm span for the fascia beam and can be used for the rafters. Pick list all suitable timber and steel sections to design across all timber and. Multiply the load per square foot by the total area of the roof.
The roof load is composed of a dead load and a live load. Leave a reply cancel reply. Colorbeam light structural steel beams provide an ideal roof framing system for all outdoor home improvement projects such as patios carports verandahs and awnings. Distance from roof beam to next roof support i e the span of the rafter or roof truss from the roof beam to the next adjacent beam or wall.
The overlapping sections of the beam provide extra rigidity allowing longer spans between supports. The dead load is. The beams are 10 inches tall and weigh 31 pounds per linear foot. How to size a beam to hold a porch roof.
2018 tim carter a residential steel beam is very common in most homes. Determine the load per square foot that the roof must support. If an example roof is 10 feet by 20. Most are 8 inches tall but 10 or 12 inch high beams allow you to span greater distances with fewer pesky columns.
The tables below give maximum spans for rafters and beams. You can span up to 14 feet with these. The lengths and sizes of joists vary depending on the species and quality of the lumber used. The figures are based on quality materials.