You could brace the inside of your garage and use hydraulic lifts to raise the roof.
How to raise the roof on a garage.
Approaches to raising the roof.
Additional support may be needed if the roof is not very stable.
You might also try raising the actual garage itself but this obviously has structural challenges.
This guide covers the cost of raising a roof adding a dormer or changing a roof line on your home when you want to.
It was a flat roof which probably made it easier but if your ceiling joists are tied in sufficiently or can be packed against the roof spars then there is little reason why you can not do this to your roof.
This garage used to be 24 x 24 x10 high at the front flat roof 6 x 6 post construction.
Nationally the cost to replace or install a roof is about 8 000.
Consult a contractor for an estimate.
Whats people lookup in this blog.
I raised the original roof to 12 in front and 15 at the rear now the center peak then added on.
This is because garage space is pretty cheap to build commonly around 1 2 2 3 the cost of finished living space so converting a garage which is suitable for living space finishing and building a new garage can commonly be as cherap or cheaper than new living space construction without the cost of raising the roof.
I have a detached brick built garage with the usual roof trusses.
I sectioned the 6 x6 posts with custom made 11ga 5 1 2 x 5 1 2 x 2 angles bolted together.
It typically costs between 15 000 and 125 000 and up to raise a roof on a house removing replacing or moving plumbing and electrical work can increase price.
Raise the roof to create more cubic feet of space beneath it.
Actually did raise a garage roof in guildford last year to accommodate a new door.
Raise the pitch of a roof from flat or low slope to something steeper for aesthetic and practical reasons.
On top of that in the case of a trussed roof.
The cost breaks down to 40 materials and 60 labor if there s a problem that needs fixed roof repairs averages at 850.
Currently whilst the pitch roof is of substantial height the trusses get in the way of access the full height.
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If you have to raise garage roof trusses then it can be a little tricky to raise the garage roof especially because the trusses are mounted in place and any movement that you perform can bring some very bad results for them.
It is now 48 x 50.