Start with the longer support and hammer toward the center of the garage.
How to remove wooden roof rafters from a garage roof.
The first step when removing a wood roof truss is to disassemble the existing roof that is causing a load upon the truss.
The rotten wood will come away easily.
Then lower the jack down a little at a time so that the metal can take the weight of the roof.
Have a friend to hold the support so it doesn t fall.
Step 1 measure the dimensions of the old rafters beneath your roofing surface.
Discard the wood in a garbage bin as you work to make the cleanup easier.
Drive the remaining carriage bolts into the two by six rafter and tighten them all up.
Use a circular saw to cut two sets of new rafters from the same size wood by the same dimensions.
Place the jack back underneath the beam but this time under the iron piece.
Remove the rotted wood with a chisel and pry bar.
However if you want to better utilize the space in your loft you may consider changing roof trusses and going for stick framing or rafters instead.
This can easily be accomplished by using a hammer and a crowbar.
Use your tape measure to record the distance of both rafter legs.
To do this knock at the top of the posts with the hammer.
Remember any alterations to a roof should be undertaken only with an engineer.
Remove the jack quickly and set the iron onto the entire beam.