To do so we replaced our 2x6 supports with jack posts which can be found at most local home centers.
How to jack up a porch roof to replace posts.
So to begin i removed the existing counter flashing running about 5 courses up this was as easy as finding nails and prying.
Remove the rotted post and lay it across two sawhorses.
Use the jack to raise and lower the 4x4 and porch roof.
Use a reciprocating saw to cut the top of the post free from the overhead beam.
Things to consider with jack up a porch roof the prep.
Make sure your jack is rated sufficiently to support the roof.
Use to cut the new column to length.
Our replacement posts came with installation brackets that required us to lift the awning inch.
If you are thinking about replacing old rotted porch posts the first thing you ll need to know is how to jack up and support the roof structure properly and.
Use a combination square to draw two perpendicular lines through the mark aligned with the front and sides of the landing.
Position the post and use the jack to raise the porch beam slightly until the old column can be removed.
Temporarily support the porch roof on either side of the rotted post with a hydraulic jack and a long 2x4 post.
In raising the roof i knew was going to have to reset the roof s flashing as it meets a sidewall of the house.
Unscrew and remove the handrail attached to the rotted porch post.