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Jacking up a porch roof to remove old columns.
How i replace rotting supports beam and posts under deck.
Slowly raise the jack until the column is free from the roof or beam.
To remove and replace a porch column.
Position a jack directly under the porch beam next to the column.
The jack can be adjusted up or down until the roof is level.
Slide the column out from underneath the roof.
You may hear a little cracking sound which is normal.
Do not raise the roof any further than necessary to remove the porch column.
The column is supporting the roof therefore the load has to be supported to remove the column.
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Measure from the porch beam to the jack and cut the 4 4 to just under this length.
We used a rough cut 4 4 post as the jacking piece between the jack and the porch header.
Get to the jacking of the porch roof already jack.
In order to do this we removed the flooring up to the column and then placed a 20 ton hydraulic bottle jack on top of the brick foundation under the porch.
For the jacking i used a pittsburgh 4 ton hydraulic bottle jack.
Position the post and use the jack to raise the porch.
I purchased it at harbor freight tools love harbor freight for certain types of tools like these.
This jack has a maximum extension around 8 inches and it is about 20.
Attach a short 2 x 6 board to the end of a 4 x 4 post.
Bottle jacks are available in a variety of shapes and sizes.