The second forming and soldering a custom piece to fit the corner is the best because it doesn t leave any potential leak spots at the caulked gaps.
How to repair roof leak at corner of dormer.
Here are a 19 signs you may have a roof leak.
Expert advice on how to repair roof flashing and chimney flashing prevent ice dams and solve other roof flashing problems.
Learn more about mosby s water management services.
This dormer leak repair has kept the house waterproof ever since and the workmanship has a 10 year warranty.
Place the legs of an extension ladder on level solid ground.
Nail the flashing to the dormer near the top edge and continue with the shingles and step flashing.
Safely mounting the roof.
Use enough water to mimic heavy rains.
And if you need help solving a pesky water leak call the mosby office at 314 909 1800 or contact them here.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
For example soak the downhill side of a chimney first then each side then the top on both sides.
Try to seal the edges of the vally where the dormer lies and look for any apparent problems.
If the leak isn t obvious have a helper watch in the attic while you get on the roof with a garden hose.
Begin soaking low on the roof just above where the leak is visible inside the house.
Climb the ladder and drive a 20d nail into one of the rafters extending from beneath the roof near the top of the ladder.
If there is any overlapping flashing at the corners where walls dormers and roof meet double check to see if the caulk is in good condition.
Damp spots around interior air vents or fireplaces.
Water stains or damp spots on your ceiling.
Your going to want the amphibicaulk or any other manufacturer that makes a wet dry cement because under the shigles you ll have moisture and you want to be sure to have a good bond.
Check for power lines or electrical wires attached to your roof near the dormer.
Start low soaking the area just above where the leak appears in the house.
Isolate areas when you run the hose.
Lay soldered corner flashing around the corner and over the base flashing.
Dripping sounds inside your home.
If you find cracked rotted or missing siding replace it with a new piece.
When a roof leaks the problem is often due to leaks in and around the metal roof flashing that protects roof edges valleys and the junctions between roofing and obstructions such as chimneys dormers and vent pipes.
Interior paint bubbling or peeling during hard rains.
If not replace it with new caulk as well.
