Slide your first sheet of flashing under the first layer of shingles.
How to support roof overhang.
Get up on your roof or scaffolding.
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Cut beams to.
While many like to use.
Take the longer flat side of the flashing and gently slide it in between the first row of shingles and the roof.
Measure for posts large 8 x 8 posts are necessary for the use of supporting a porch roof.
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.