Lay the cut flashing down at the corner over a shingle that is already in place.
Porch roof is not flashed.
Our photo shows the bottom end of a single piece of damaged sloped roof wall flashing.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
A leaky porch roof is caused by numerous reasons but it is most probably due to damage in the flashing and not the roofing material unless the roofing material is too old and nearing the end of its life.
The corner cut should be facing upwards.
You need to get accurate measurements.
Imagine a builder who does not flash a home s front door entrance assuming that that a porch roof overhang is sufficient enough protection.
Note that the overhang provides some protection.
If you have siding you will also have to remove one panel of siding closest to the porch roof joint so you can reach the flashing.
When the same builder installs a garage service door the service door is not flashed other than with a typical secondary metal drip cap flashing since this is the practice that has been mimicked from.
Here is a picture of the front of the house.
Gently hammer the 45 degree cut around the corner of the porch roof.
More project and tips.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
Cracks in the shingles can also be the culprit especially if the shingles are underneath a tree branch.
How to install porch roof flashing.
In our opinion it s not likely that this flashing installation will long resist any significant quantity of water at the lower roof edge and both blowing wind and any backup due to gutters ice or snow will exacerbate the leak risk.
Open valleys have metal flashing to protect this critical area of the roof.
It has been too co.
The house has cement siding which is attached to 1x4 strapping.
If your current flashing is not doing the job you will have to remove it before installing new flashing.
Many people who have porches attached to their homes have problems with water leaks at the junction of the porch and the exterior wall of the home.