Isolate areas when you run the hose.
Repair leaking roof dormer.
Start low soaking the area just above where the leak appears in the house.
3 deteriorated caulk around window and sill.
Check the flashing beneath the corner trims along.
4 roofing leak above dormer due to age deterioration or poor installation.
For example soak the downhill side of a chimney first then each side then the top on both sides.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
With layers properly added to repel and divert water the vinyl siding and roof shingles were re installed.
If you see damage to joints previously sealed with a line of.
This dormer leak repair has kept the house waterproof ever since and the workmanship has a 10 year warranty.
To repair leaks caused by metal flashing around chimneys and dormers simply reseal joints using a caulk gun filled with roofing cement.
1 improperly installed or deteriorated roof to wall or roof to roof valley flashings at top back of dormer.
Recaulk the corner flashing if any areas have hardened caulk.
Finding the leak 1.
Flexible roof sealant apply flexible roof sealant black jack roof patch rubberized roof cement from a can or tube to fill nail holes gaps loose flashing or loose shingles.
Use a flashlight to ensure the flashing extends.
Look for signs of rotting or a missing piece of siding.
Replace any missing or rotted siding above the step flashing on dormers.
Oh and the cable line was relocated and its hole sealed up.
Dig out any cracked or dry caulking that isn t properly sealing adjoining surfaces and replace with silicone caulk.
Look along the edge of the dormer siding where it meets the shingles.
Flashing shingles replace the flashing and shingles around the dormer.
How to fix dormer roof leaks.