I Beam Roof Span

The maximum spans in the table above are for the horizontal distance the rafter can span not the diagonal distance or actual length of the rafter.

I beam roof span.

This post may contain affiliate links. Leave a reply cancel reply. Uniformly loaded simple beam. W4 x 13w5 x 165x4x1 4 structural tubingw8 x 10w8 x 13w8 x 18w8 x 21w8 x 24w8 x 31w10 x 12w10 x 15w10 x 19w10 x 22w10 x 26w10 x 30w10 x 39w12 x 14w12 x 16w12 x 19w12 x 26w12 x 30w12 x 35w12 x 40w12 x 45w12 x 50w12 x 53w12 x 58w12 x 65w12 x 72w12 x 79w12 x 87w12 x 96w12 x.

Patio roof maximum beam rafter spans. On longer spans the beam may require much more bearing space as indicated by this table. Yield strength of steel ksi e g. Bci joists are specially constructed i joists with flanges made from strong versa lam laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives providing outstanding strength and durability.

Shelf z beam boltless steel shelving unit. Span of beam inches tributary width inches uniform load pounds square foot e g. Engineered wood products ewp span and size charts for bci joists. An essential part of planning a patio roof or gazebo project is determining the number size and spacing of rafters beams and posts according to the loads they will carry.

In the example the beam spans the 10 foot width of the roof. The lengths and sizes of joists vary depending on the species and quality of the lumber used. Sizing a steel beam. Wood beam calculator american wood council website rafter and joist span faq.

F stands for the beam s fiber strength in bending which depends on the species of wood. For example l 360 span 360 for a 308 span is 19 of deflection. Consideration might also be given to cases in which a joist with a long span parallels a short span or a foundation end wall. So if your house is 26 feet wide and the roof ridge beam is centered on the house you will need a rafter that can span 13 feet.

The total load is 4 000 pounds. For example a 308 span with up to 19 of allow able live load. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Have on the system.

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. For more information see our disclosures here. Anything 5 and above we always at least double cripple. For the initial calculation f can be estimated at 1 000.