The biggest problems with gable end overhang strength occur if your roof overhang is greater than about 12 inches.
How much overhang on gabe roof.
To 18 in depending on the style of the building.
However the suggested width of an overhang is between 12 and 18 for eaves and no more than 8 for rakes.
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.
Roof overhangs can extend farther than 2 feet but beyond this length they begin to lose structural integrity and require external supports.
Two feet is the general maximum length for a typical roof overhang.
Overhangs can vary from a few inches to a few feet depending on preference.
Or there are also examples where a ledger is not used and the block framing is just connected directly to the top chord of the gable truss or gable rafter.
When designing a gable end eave without a return the dimensions to look at are the width of the trim set between 6 in.
Of the many ways that gable end overhangs are built the two most common ways are the use of ladder details and outriggers.
This will keep rain away from your shed.
Avoid gable ends that are over 8 in.
How to extend gable end roof overhang.
Thick and the overhang from the side wall set between 12 in.
You can add 3 to 5 inches to the top.
A typical metal roof overhang may be 2 to 4 inches or even less.
3 get additional rafters installed to extend the overhang by more than 10 inches 25 cm.
This method is less wind resistant and in literature is limited to a 12 overhang.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
This will protect a roof from most types of damage.
Wide especially when the eave overhang is less than 12 in.
Figure 5 ladder outlooker block method gable end overhang.
That said overhangs can extend as far as 2 without the need for external supports.