Gable Roof Overhang Detail

The picture above shows the plan view of a gable roof ladder trusses are made up using four noggins bridging at each corner to support a rafter outside the building.

Gable roof overhang detail. The biggest problems with gable end overhang strength occur if your roof overhang is greater than about 12 inches. Thick and the overhang from the side wall set between 12 in. For gabled roofs the roof rafters extending beyond the wall caps creating an angled roof overhang on the eaves. We love the look of the no overhang scottish style roof line as well.

It can be made of metal. Figure 2 irc gable overhang details figure 3 gable end wind damage gable end overhangs. I recently built a small outbuilding with a 6 in 12 pitch roof that offers a perfect example for showing the process i use to build eaves and rakes. A brow roof is a narrow roof attached to the wall at the level of the first floor ceiling.

With the west east overhangs the main use is siding window protection and keeping rain snow from foundation. They are essentially mini roofs designed to protect each storey of the home individually. A rake on the gable end of the roof can be created with the construction of additional roof framing. Framing a gable roof building a gable with barge end purlin struts and collar ties.

Start with the rafter tails the main component of any eaves detail is the rafter tail the part of the rafter that extends beyond the exterior wall. Of the many ways that gable end overhangs are built the two most common ways are the use of ladder details and outriggers ladder details are usually adequate if the overhang is less than about 8 inches although they are frequently used for longer overhangs. I have battled with the same overhang no overhang design. That rafter outside forms the overhang for the barge boards to fix to and so the soffit boards and ventilation are continuous all the way.

Avoid gable ends that are over 8 in. To 18 in depending on the style of the building. Due to the steeper angle of gable roof the maximum width of the eaves is narrower than other shed styles. With our house we are planning minimal east and west overhangs and ample south and north.

Wide especially when the eave overhang is less than 12 in.