Install these over your existing horizontal 2x6s 2 feet from the roof edge inside and paralel to the roof ends crosswise from your existing 2x6.
Reinforcing attic rafters.
Move the jack in increments of one inch to allow for the roof to be able to move with it without cracking.
Snap a chalk line against the rafters on both sides of the attic to mark the location of the braces.
The easiest way to straighten rafters is to jack them into position.
When using fiberglass insulation the pink stuff the attic roof rafter will need to be at least 16 deep.
However the trick to this process is to do it very slowly so it may take a few weeks before you get the rafter into a position where it is straight again.
Step 1 measure the thickness width and length of the rafters in your home and purchase one piece of framing lumber of the same size for every two rafters in your attic.
Keep the spacing 4 feet apart at most.
Standard joist spacing for the installation of attic flooring materials is 16 inches on center oc meaning the distance from the center of one joist to the center of the next joist is 16 inches.
Reinforcing the connections between the rafters and the walls will help prevent your roof from collapsing.
3 place a two by four against the rafter along the bottom.
In an older home a typical roof rafter can range between 2 4 s to 2 8 s.
Place a ladder or stepladder against the rafters to allow yourself to climb up to them.