Greg recommends that homeowners who are experiencing this problem could consult with a professional to determine the exact cause of the problem, if they can't figure out what caused the problems.
Bonus Tips
There are a few causes for this problem, including foundation settlement, termite damage, and wood rot.
There are several solutions for this problem, including adding a sister rafter and installing a collar tie.
Assembly Ideas
If you are adding a sister rafter, you will need to cut it to the same length as the existing rafter. You will also need to install a collar tie to connect the sister rafter to the existing rafter.
If you are installing a collar tie, you will need to measure the distance between the rafters and cut the collar tie to the appropriate length. You will also need to install a scab plate to connect the collar tie to the rafters.
When designing a roof, it is important to use the correct size rafters for the span of the roof.
It is also important to ensure that the rafters are properly supported.
You can help to prevent roof rafters from separating from the ridge by installing collar ties and ridge boards.