This is key to prevent future leakage.
Roof leaking where porch meets house.
The soffit that meets the roof is one of the toughest areas to waterproof.
You need to give the water some way to flow downhill.
Let the cement dry before putting the second layer of roofing cement on the joint.
How to fix a damaged or missing shingle roof leaks.
That is the only way.
Because the wall is some kind of solid wood metal flashing should have been installed under the shingles and up the face of the wood wall into a groove in the wood.
Avoid repairing roof leaks yourself.
Finding a leak can be frustrating or relatively simple depending on location and weather conditions.
In the photo you can still see signs of an ice dam.
It appears a roof valley ends at the rainwater collector box tight against the side wall of the house.
If the roof is longer than ten feet where it butts up against the house two or more pieces of flashing are overlapped and soldered to make one large continuous flashing.
Of that is the case its an unwise roof design to begin with.
Use the putty knife to spread the roofing cement out so that it covers the leak source at least 1 inch on all sides.
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Then it is your fault and you may get jerked around for the responsibility.
If you have problems with your porch roof leaking it is often due to poorly installed flashing or a lack of flashing altogether.
This roof leaks during the snowy part of winter and during storms in the summer certainly due to poor flashing.
Four inches of the metal laps over the shingles and the remaining four inches extends up the wall.
An ice dam occurs when snow melts and the water freezes when it hits the colder edges of your roof.
A roof leak is a major nuisance for most homeowners.
House roof meets porch roof siding leak.
Flashing is a thin strip of weatherproof material installed to deflect water from seals and joints to protect your porch and home from damage.
Remove debris remove all debris from your roof and check to see if you have damage to your shingles.