How To Jack Up A Porch Roof

Raise the sagging side back up where it belongs and you ll be able to install equal length posts.

How to jack up a porch roof.

1 or 3 of a porch rework more buil. Put your level on the porch roof beam parallel to the front of the porch and that is probably what you ll find happened. I started by sitting the jack on the porch floor immediately above the porch s skirt board. Once it is plumb mark the position on the porch roof.

With this initially setup i was able to get about 7 8. Fortunately the adjustment i needed to make was a common size. Position a mounting bracket at one of the marks on the bottom of the porch. Install another bracket in this position.

Check to make sure the porch beam is level by raising or lowering the jack. Position the post and use the jack to raise the porch beam slightly until the old column can be removed. I set it about a foot out from the house as not to interfere with where i needed to work on the column. Bird mouth the top cut and dig a small kicker in at the bottom of course i ll usually have post jacks in place somewhere so i can slightly jack up the roof to release the column.

Stand a post up in the bracket and hold a level on its side. Position a jack directly under the porch beam next to the column. Jacking up and support porch roof to replace posts trade porch roof support post porch roof support post temporarily supporting porch roof general discussion how to repair a sagging support beam tos diy front porch progress no more sagging roof addicted 2 decorating. Measure from the porch beam to the jack and cut the 4 4 to just under this length.

The 4 ton jack that came with my ford transit van was more than sufficient to raise the porch a couple of inches. Using 8 x 8 x 8 half cinder blocks i build a column to support the jack i would use to raise the porch. The jack did all the work. Stakes go down about 18 to 24 could also use a permanent steel or wood posts in place then just build around it if your not changing out the footing.