how to remove a roof rafter that is rotten?
Answers:
1. Make sure the damage is confined to a specific area.
2. Go to a local tool rental (many speacialise in construction tools and accessories) and ask for support jacks. They come in many styles, are used to support such things as rafters during remodeling and so on and the staff can instruct you in the particulars of using what they rent.
3. You will probably have to remove and replace some roof sheathing at the time you replace the rafter so make sure its done by a knowlegdable person or the damage will be worse after the fix than before.
4. If these simple instructions don't solve your problem then you likely don't have the expertise to it properly or safely. Find a pro. A bad roof or roof repair will eventually ruin your home.
Other answers:
don't remove reinforce with 2x4's screw to good wood or the best wood you have
don't remove reinforce with 2x4's screw to good wood or the best wood you have