Then load bearing roof beams fixed to the trusses are extended in the same way.
Roof tile overhang gable end.
After that you should fix the cornice board to the end sides of the ridge and the load bearing beams.
Then the box beams were trimmed out photograph 8 and a double frieze board installed to hide the increase in roof thickness without requiring redoing the gable end siding photograph 9.
If the gable end overhang uses the ladder detail method of construction and the length of the overhang is greater than 8 inches to 12 inches you may be able to strengthen the connection of the overhang by installing from the attic inch diameter lag screws that are long enough to go through the gable truss or rafter through the wall sheathing and 1 1 2 inches into the inside framing member of the ladder framing.
The overhangs on the gable ends were cut off rigid insulation added to the top photograph 6 and then the overhangs rebuilt as box beams photograph 7.
This video will.
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.
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.
Inadequate nailing of the sheathing to supporting framing or inadequate connections of the framing at the rake edge that supports the roof.
Gable end overhangs constructed using the ladder detail.
In addition if you have a gable roof overhang that is greater than about 8 inches or have an even longer overhang with outlookers extra framing running perpendicular to the trusses or rafters that supports the overhang then there are some additional retrofits you may need to make to reduce the chances that the overhang might be lifted up and sheathing lost form the gable end with all of the consequences associated with the loss of this sheathing.
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.
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.