Overhang Dutch Gable Roof Framing

A large overhang on a dutch hip roof requires a few changes to the normal construction method.

Overhang dutch gable roof framing.

Uplift of roof decking at the overhang. 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. I would use continuation jack rafters to frame in the small gable like extension that is an integral part of the dutch hip design. 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.

A large overhang on a dutch hip roof requires a few changes to the normal construction method. I planned to use the experience to teach the contractor s crew western style framing. 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. The dutch is a section of hip roof in which hip rafters run into a gable end instead of going up to a ridge.

Inadequate nailing of the sheathing to supporting framing or inadequate connections of the framing at the rake edge that supports the roof. By doing this it changed the as drawn cantilever ratio of 3 2 favoring the outside of the building to a 5 7 ratio. When stick framing a dutch roof i begin by checking the plans for the amount of. Exactly where the gable interrupts the hip is called the setback the distance from the end of the building to the first set of gable common rafters.

The other common wind related failure at gable ends is uplift of the roof decking at the overhang. The biggest problems with gable end overhang strength occur if your roof overhang is greater than about 12 inches.