Gable Roof Overhang Design

The balance between solar heat gain and shading you desire.

Gable roof overhang design.

Inadequate nailing of the sheathing to supporting framing or inadequate connections of the framing at the rake edge that supports the roof. This video will. Avoid gable ends that are over 8 in. If there is too much of an overhang winds can create an uplift underneath and cause the roof to detach from the walls.

Extending a gable roof can be tricky since it involves working on the roof but you may be able to do it yourself if you only need to add 1 2 2 inches 1 3 5 1 cm. This can be from two causes. Wide especially when the eave overhang is less than 12 in. Uplift of roof decking at the overhang.

In designing the overhanging part of a roof you will need to keep in mind certain key features. The amount of shading that you would like for your windows and doors. For gabled roofs the roof rafters extending beyond the wall caps creating an angled roof overhang on the eaves. Due to the steeper angle of gable roof the maximum width of the eaves is narrower than other shed styles.

The other common wind related failure at gable ends is uplift of the roof decking at the overhang. For the arrangement of the gable end overhang for the standard roof you lengthen the ridge beam beyond the facade for previously verified length using cut rafters. After that you should fix the cornice board to the end sides of the ridge and the load bearing beams. Then load bearing roof beams fixed to the trusses are extended in the same way.

Start with roof framing. However for larger extensions you ll need to hire a professional to get up there and remove large portions of the roof before extending the overhang. Design build team. To 18 in depending on the style of the building.

When designing a gable end eave without a return the dimensions to look at are the width of the trim set between 6 in. Suggested materials for such roofs gabled roofs can be covered with almost any type of material including asphalt shingles cedar shakes terra cotta metal and clay or concrete tiles. Thick and the overhang from the side wall set between 12 in.