Remove the rotted post and lay it across two sawhorses.
How to jack up a porch roof to replace posts.
Use to cut the new column to length.
Things to consider with jack up a porch roof the prep.
Position a jack directly under the porch beam next to the column.
To do so we replaced our 2x6 supports with jack posts which can be found at most local home centers.
Measure from the porch beam to the jack and cut the 4 4 to just under this length.
Use a 4x4 post cut to length to hold the porch roof in order to both remove the old column and install the new one.
So to begin i removed the existing counter flashing running about 5 courses up this was as easy as finding nails and prying.
Position the post and use the jack to raise the porch beam slightly until the old column can be removed.
Use a reciprocating saw to cut the top of the post free from the overhead beam.
Use a combination square to draw two perpendicular lines through the mark aligned with the front and sides of the landing.
Unscrew and remove the handrail attached to the rotted porch post.
Temporarily support the porch roof on either side of the rotted post with a hydraulic jack and a long 2x4 post.
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.
Our replacement posts came with installation brackets that required us to lift the awning inch.