Worn out flashing or missing sealant can also cause roof leaks around dormers.
Roof leak near dormer.
The flashing that goes horizontally across the roof the apron flashing should extend about 4 6 inches beyond the wall of the dormer.
Short of reflashing and a new roof.
Dormer roof repairs require some time and a few tools but are considerably cheaper than replacing an interior wall damaged from the leak.
Most dormer leaks occur as the flashing deteriorates and the connection between the two roofs is weakened leading to leaks which may cause mould stains and damage within the walls of the house.
Here s a few of the defects that can cause dormers and their windows to leak.
Improperly installed or deteriorated roof to wall flashings.
Like an eighth of an inch.
Dormer leaks can be caused from a number of issues.
Check for power lines or electrical wires attached to your roof near the dormer.
1 improperly installed or deteriorated roof to wall or roof to roof valley flashings at top back of dormer.
A roof leak at the edge of a dormer can allow a lot of water to enter your home.
Penetrations can include plumbing and roof vents chimneys dormers or anything else that projects through the roof.
Rotten or missing trim or siding can allow water to leak behind flashing and into your roof.
Then the bottom piece of step flashing along the walls on both sides should extend down beyond the bottom corners by just a little.
Deteriorated caulk around window.
Even though these were previously billed as solutions for the leak a new roof and new siding did not stop the leaking.
Here s a few of the defects that can cause dormers and their windows to leak.
3 deteriorated caulk around window and sill.
2 lack of flashing at top of trim over window.
Place the legs of an extension ladder on level solid ground beneath the dormer where you expect to find the roof.
In fact it s rare for leaks to develop in open areas of uninterrupted shingles even on older roofs.
Would a good dose of roofing cement tar on seam be a decent short term fix.
Roofing leak at dormer roof.
I m due for a new roof within in a year but i m trying to delay spending the.
The heavy snows and ice of winter 2013 14 compounded the problem when ice damming on the roof backed up into the dormer and poured through to the foyer ceiling creating the situation shown above.
I have a small leak in a dormer on my roof where the dormer meets the roof.
They can be several feet above the leak or to the right or left of it.
Nothing really happens unless it pours for a while.
Roof damage from falling branch or hail.
