In raising the roof i knew was going to have to reset the roof s flashing as it meets a sidewall of the house.
How to jack up a porch roof to replace posts.
Position the post and use the jack to raise the porch beam slightly until the old column can be removed.
Position a jack directly under the porch beam next to the column.
Our replacement posts came with installation brackets that required us to lift the awning inch.
Use a reciprocating saw to cut the top of the post free from the overhead beam.
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.
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 the jack to raise and lower the 4x4 and porch roof.
Make sure your jack is rated sufficiently to support the roof.
Things to consider with jack up a porch roof the prep.
Use to cut the new column to length.
Remove the rotted post and lay it across two sawhorses.
Measure from the porch beam to the jack and cut the 4 4 to just under this length.
Temporarily support the porch roof on either side of the rotted post with a hydraulic jack and a long 2x4 post.
Use a combination square to draw two perpendicular lines through the mark aligned with the front and sides of the landing.