Steel Roof Framing Design

Shed gable hip gambrel and mansard.

Steel roof framing design.

This will give additional stability to the roof structure. Another common design in the northeast is the saltbox which is a gable roof with one longer side. For additional stability you can also use steel joists that are built into one or both of the walls. Based on the unsheathed approach where steel bridging alone is used to brace the studs and no reliance is.

Placed on the drywall or exterior insulation as a brace. How to building frame a roof by steel frame amazing smart techniques practical implementation. Tests indicate that with the unsheathed design. The steeler slotted stud is innovative and economical as it can be used in combination with track to form both non load bearing and wind load bearing walls.

Let s consider a basic gable wood roof framing design. Continuing on from part 3. Floor beam span tables of residential structural design we will now look at roof rafter and beam design. Steel framing is easier to handle because steel studs weigh 1 less than wood studs and can be installed at 4 on center.

The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. Braced frame system ordinary steel concentrically braced frame standard table 12 2 1 r 3 25 ω 0 2 c d 3 25 6 1 2 2 loads roof live load l snow 25 psf roof dead load d 15 psf mezzanine live load storage 125 psf. Structural steel design 6 7 ω 0 3 c d 4 east west e w direction. It includes a 2 1 4 slot which allows for up to a 2 vertical deflection and is ul fire rated.

Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult. L001 10 design of diagonal strap bracing lateral force resisting systems for the 2006 ibc l200 09 roof framing anchorage forces. For longer slopes and lower roof pitches contact fabral for other suitable profiles. Long term maintenance costs are reduced because steel.

Approach a maximum bridging spacing of 1200 mm is preferred for brick veneer steel stud construction. Roofs are basically five types. Mwfrs or c c l202 12 diaphragm design with pneumatically driven pins l300 09 design of end posts for diaphragm shear walls s100 16 antiterrorism design requirements for cfs framing. Roof pitch the metal roofing panels shown in this manual require a mini mum slope of 2 per foot to ensure proper drainage.

Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage.