To 18 in depending on the style of the building.
Gable end to gable end roof.
The biggest problems with gable end overhang strength occur if your roof overhang is greater than about 12 inches.
Ladder details are usually adequate if the overhang is less than about 8 inches although they are frequently used for longer overhangs.
When designing a gable end eave without a return the dimensions to look at are the width of the trim set between 6 in.
Roof sheathing shall be continuously fastened to the top of the gable wall with the minimum fastener size and spacing specified in table 1 below.
Avoid gable ends that are over 8 in.
Take a look at some quick tips and tricks to get your gable wall framed the right way.
After that you should fix the cornice board to the end sides of the ridge and the load bearing beams.
Raise it up horizontally and hold it in place with a 2 4 resting on the floor in the center of the base piece and one at the top center of the truss.
Carry a gable end in and set it on the top plate upside down and backwards near the end wall.
We will cover what your top bottom plates should look like in a gabl.
Uplift of roof decking at the overhang the other common wind related failure at gable ends is uplift of the roof decking at the overhang.
This design makes maximum use of space under the roof.
Gambrel roofs are a type of gabled roof.
Thick and the overhang from the side wall set between 12 in.
Butt the first new truss against the old one.
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.
Commonly associated with dutch building traditions and barns they break each sloping roof section into two parts one close to the ridge that is relatively flat and one closer to the eaves that drops down steeply.
Then load bearing roof beams fixed to the trusses are extended in the same way.
Wide especially when the eave overhang is less than 12 in.
Tying in to an existing gable roof tie into the end of an existing gable roof by removing existing facing boards wall siding and any other obstructions back to the first truss of the old roof.
Then mount new trusses on the new addition walls.
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Of the many ways that gable end overhangs are built the two most common ways are the use of ladder details and outriggers.
Set a ladder at the outside of both corners of the end wall.
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