Using 8 x 8 x 8 half cinder blocks i build a column to support the jack i would use to raise the porch.
How to lift a porch roof to fix porch.
For years the porch did not move much and we had no winter mice.
The porch foundation was done with concrete pads and posts.
Apply a good amount of sealant on the underside of the crack and attach it to the roof.
It has plastered interior walls and an the exterior walls are painted lapped cedar.
First i cleared out a level area under the porch next to the sinking support column.
I should probably point out that the porch floor pitches and has sagged too but not so much that i am super overly concerned with it.
This old house 915 467 views.
We are using jet 5 ton screw jacks under the foyer and homemade lifting posts for the porch r.
I used a 12 x 12 x 1 5 concrete paver to create a stable base to build parallel column.
Place one high lift jack under the horizontal support beam on both sides of the lowest point of the sagging porch line.
Find the cracked shingles and pry them with a flat pry bar to expose the underside.
Cracks in the shingles allow water to penetrate the roof and cause it to leak.
From what i could tell it is pretty solid.
This roof structure including a bearing beam sits on top of a half column that is nailed into the main house framing.
Here we are leveling the foyer and porch roof which had sagged.
Hence lifting it would be relatively low risk.
Pump both jack handles equally until the porch line appears to be level.
But severely damaged shingles should be replaced with new ones.