Gable Roof Eave Detail

If a sprocketted or bell cast detail is used then eaves courses should be no lower than the minimum recommended roof pitch.

Gable roof eave detail.

The three primary variables to consider when designing the eaves for a gable roof are the width of the gable trim the projection of the eaves and the details at the corner of the gable ends. This is the portion of the roof that protrudes beyond the side of a house or building. In the gable the frieze can either match the horizontal frieze on the rest of the building or it can be reduced one step in dimensional lumber. To determine exactly what the rafter tail will look like i always make a full size drawing on a scrap of plywood of all the eaves elements including framing and finish materials see illustration above.

Most gable roofs also have a rake cornice or rake extension formed on the gable ends. Refer to my architectural roof types blog. Fix a rafter spacer tray to provide a clear air path between underlay and insulation. Architectural details direct 903 356 2158.

This first installment of a two part series focuses on eaves that do not return onto the gable. If running trim is going to be used. An eave is defined as the edge of the roof that overhangs the face of a wall. Remember the roof on the return is there just to shed a small amount of water.

Many different designs can be created by variations in roof pitch gable end treatment mouldings and dimensions. Roof drip edge flashing at roof eaves gable ends roof drip edge flashing serves multiple functions on a building the foremost of which is to assist water in leaving the roof edge with minimum damage to other building components by directing the water off of the roof and into the gutter. The 12 12 roof pitch is also known as a square pitch roof since a 90 degree angle is formed at the peak of such roofs. Fix a plywood board or proprietary tray to provide continuous support to underlay to prevent water retaining troughs.

The final step is putting the roof on the eave and addressing what happens in the gable itself. Running trim can be used along the eaves of your gable either below a gable decoration or by themselves. In contrast a gable or rake is the overhang of a building that occurs on the side that is topped by a gable roof. This is created by extending the rafters out past the building ends.

Select eave detail overhangs typically range from 9 to 18 in depth. Click to enlarge any image. A gable roof has a cornice along the side walls formed at the rafter ends. A slight return just enough to keep water from pooling is all you need.

Typically the same detail throughout the country typical eave section gable end elevation b. The main component of any eaves detail is the rafter tail the part of the rafter that extends beyond the exterior wall.