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Old 01-09-2012, 08:31 AM   #1
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raising a garage

How do I raise a garage 12 inches that is on a cement foundation?


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Old 01-09-2012, 08:42 AM   #2
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How big is this garage?
How is it construted?
Any pictures?


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Old 01-09-2012, 08:46 AM   #3
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Please, post some pictures - inside and outside.
It can be done.

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Old 01-09-2012, 02:30 PM   #4
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With a lever, a fulcrum, and lots of wedges.
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Old 01-09-2012, 03:15 PM   #5
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Depends on the size of the garage and interior walls that you have. But what I would do is to cut/unbolt the bottom plate from the slab, then if it is open framing (if not cut a 16" or so section of the wallboard (siding, osb, drywall, etc) along the whole bottom length of the building exterior walls) and nail a 2x4, 2x6, etc depending parallel to the slab on to each of the wall studs. Then you need to see if you can rent some long steel beams and run them under the lumber you attached to the studs and jack them up from the outside of the building where the beams extend beyond the slab edge.

Or call a house moving company and pay them to do it.

This gets significantly more difficult if this is a pole building or if there are a lot of interior walls to deal with.
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Old 01-09-2012, 05:57 PM   #6
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I raised a 28x56 building years ago as described above. First brace the walls across to each other so they don't bow out too much when you lift.

I just bolted on a 2x to the studded walls and got under that with a hi-lo jack. slip stuff in constantly as you go around the building, maybe 1/2" at a time. Listen. When you are high enough to get jacks underneath, switch to bottle jacks.
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Old 01-09-2012, 06:04 PM   #7
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Old 01-09-2012, 06:31 PM   #8
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We moved a two car garage to a new foundation once. lag bolted 2x6 to the top plates under the truss ends. Cross braced the walls and cut two small hole in roof. Total crane time on site was 1 1/2 hours. Maybe do this and lift it about 1 inch higher, brace in key locations, block up the walls, lower it the one inch onto foundation.
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Old 01-09-2012, 07:14 PM   #9
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Pictures and explanation on what you are trying to do would be great. Are you raising the entire floor or just the walls?
Are you raising it because it has settled or do you just need higher walls? Will it settle more if you raise it?

You can lift the Garage as described above and pour grade beams/pony walls, set the garage down, backfill outside and fill inside and pour new floor if you want floor raised.


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