Often wind driven rain comes in from above the roof especially around windows between corner boards and siding and through cracks and knotholes in siding.
Roof leaking around dormer.
Then the bottom piece of step flashing along the walls on both sides should extend down beyond the bottom corners by just a little.
2 lack of flashing at top of trim over window.
The interior walls of the dormer were often condensated and heavy rains would lead to water damage on the lower level foyer ceiling.
Use the putty knife to remove all the caulking around the dormer.
Look for damp spots on the underside of your roof.
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.
Look for cracks in the base of flexible rubber flashing or broken seams in metal varieties of vent pipe flashing.
3 deteriorated caulk around window and sill.
Don vandervort hometips.
The flashing that goes horizontally across the roof the apron flashing should extend about 4 6 inches beyond the wall of the dormer.
Here we look at how to repair flashing that can cause leaks.
Roofing leak at dormer roof roof damage from falling branch or hail many homeowners also have a licensed roofer walk their entire roof every year or two to report on the condition and make any minor repairs.
A leak in a roof at the dormer can cause extensive damage and expensive repairs.
If your roof is leaking right now go into the attic with a flashlight and some chalk to mark with while it s raining.
The main problem is at the bottom corners.
Water stains appearing on the ceiling or mold growing on rafters are sure signs the leak didn t just appear.
Also look for a thin stream of water flowing down one of the rafters.
Here s a few of the defects that can cause dormers and their windows to leak.
Check plumbing vent boots and roof vents if water is entering from that area to cause the leaking roof.
Louis mo home had a leaking dormer shown above that was problematic for years.
1 improperly installed or deteriorated roof to wall or roof to roof valley flashings at top back of dormer.
Like an eighth of an inch.
The rubber gasket that surrounds the vent pipe could be rotted.
Also see our blog post the inspector says that a missing kickout flashing caused water damage inside the wall.
Caulk can be old cracked or even missing between the corner boards and between window edges and siding.
