I purchased it at harbor freight tools love harbor freight for certain types of tools like these.
Jacking up a porch roof to remove old columns.
Attach a short 2 x 6 board to the end of a 4 x 4 post.
This is usually done by jacking up temporary post material to take the weight of the roof so that the rotting post or column can be removed.
Position a jack directly under the porch beam next to the column.
Position the post and use the jack to raise the porch.
Bottle jacks are available in a variety of shapes and sizes.
This jack has a maximum extension around 8 inches and it is about 20.
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Slowly raise the jack until the column is free from the roof or beam.
The column is supporting the roof therefore the load has to be supported to remove the column.
The jack can be adjusted up or down until the roof is level.
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.
We used a rough cut 4 4 post as the jacking piece between the jack and the porch header.
You may hear a little cracking sound which is normal.
How i replace rotting supports beam and posts under deck.
For the jacking i used a pittsburgh 4 ton hydraulic bottle jack.
Slide the column out from underneath the roof.
замена опоры под террасой duration.
To safely remove the old posts before installing the new ones the porch roof needs to be securely supported.
Measure from the porch beam to the jack and cut the 4 4 to just under this length.
To remove and replace a porch column.