Inside the garage tack two 12 ft.
Raise my garage roof.
Long 2 8 ledgers to the northeast and southeast walls about 2 ft.
Once the ledgers are up drive three double headed 16d form nails through the ledgers into each stud.
Approaches to raising the roof.
It has a pitched roof using modern w style trusses and concrete tiles.
Additional support may be needed if the roof is not very stable.
The jacks should allow you to raise the roof a couple of inches at a time while the cripples you attached to the top plate and short studs will help keep the roof in place.
The major downside to it is the height of the door opening at about 1 9m and the floor to ceiling height of approx 2 4m.
Roof lifting cost for garage.
This is because it affects components of your home including but not limited to.
Prices fall anywhere between 5 and 20 per square foot and beyond.
Generally speaking it will cost more to lift the roof on an attached garage than a detached garage.
Roof lifting costs vary significantly.
Consult a contractor for an estimate.
From the garage floor.
You could brace the inside of your garage and use hydraulic lifts to raise the roof.
You might also try raising the actual garage itself but this obviously has structural challenges.