Roof Framing Elevation

The main factors which influence the shape of roofs are the climate and the materials available for roof structure and the outer covering.

Roof framing elevation.

2 x 6 24 o c. Bow roofs appear gable like but the slopes are curved. Figure 2 2 roof framing terms. Includes a frame bonnet gable hip mansard butterfly valley combination shed and more.

An unparalleled three layers of protection surround a carbon steel core ensuring each critical joist beam and ledger connection holds up to the elements for decades with a 25 year limited residential warranty to prove it. 2 x 6 24 o c. If you know the slope x in 12 you want to use for your roof framing design you can use it along with the run r to determine the height of the ridge beam. Without the ridge it would be a barrel roof not on our list and the ridge is clearly what gives it the bow design.

Figure 10 40 and reduce that to 1 4. If the unit of rise in inches is 3 then the cut is the unit of rise and the unit of run 12 inches or 3 12. Roof shapes differ greatly from region to region. Usages vary slightly from region to region or from one builder or architect to another.

This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. Determining the ridge beam height. From the eaves to the peak it s 10 feet high that s the rise. Two of the styles after this are actually the inverse of this concept.

Select 3d create orthographic view backclipped cross section from the menu then click and drag a camera arrow to create a cross section elevation view. See attached schedule for maximum spans. Discover the 36 different types of roofs for a house. 16 the bow roof.

That makes the roof s span 40 feet. If you have not yet built framing select build framing build framing from the menu and generate the types of framing that you wish to show. The slopes are steep. Interior grade steel framing triple coated for superior durability.

This gallery includes terrific roof design illustrations so you can easily see the differences between types of roofs. Roof terminology is also not rigidly defined. Line length is the hyptenuse of the triangle whose base equals the total run and whose altitude equals the total rise. All rafters to be 2 x 6 unless noted.

2 x 8 hip figure 20 4 a roof framing plan is used to show the framing members for the roof. 2 x 6 o c. For example if the slope is 4 in 12 and the run is 12 feet the ridge beam height m will be 4 feet. Frame over main roof w 2 x 6 raft o c.

Bms 32 o c. The advantages of hip roofs apply to this framing style. Say your house is 38 feet wide and the gable roof has a 1 foot overhang on each side.