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.
How to jack up a porch roof.
With this initially setup i was able to get about 7 8.
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.
Using a scrap piece of durock cement board i cranked the jack up to give it pressure enough to hold it in place.
Using 8 x 8 x 8 half cinder blocks i build a column to support the jack i would use to raise the porch.
Once it is plumb mark the position on the porch roof.
Position a jack directly under the porch beam next to the column.
1 or 3 of a porch rework more buil.
Stand a post up in the bracket and hold a level on its side.
Check to make sure the porch beam is level by raising or lowering the jack.
Position a mounting bracket at one of the marks on the bottom of the porch.
I started by sitting the jack on the porch floor immediately above the porch s skirt board.
Fortunately the adjustment i needed to make was a common size.
In this video i jack up the corner of porch roof so that i can successfully install a section of half round gutter.
Raise the sagging side back up where it belongs and you ll be able to install equal length posts.
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.
Install another bracket in this position.
If that is the case don t bring the high side down like you did with the deck.
The jack did all the work.
Put your level on the porch roof beam parallel to the front of the porch and that is probably what you ll find happened.
Position the post and use the jack to raise the porch beam slightly until the old column can be removed.