Roof Leak Near Dormer

Would a good dose of roofing cement tar on seam be a decent short term fix.

Roof leak near dormer.

Short of reflashing and a new roof. Lack of flashing at top of trim over window. The flashing that goes horizontally across the roof the apron flashing should extend about 4 6 inches beyond the wall of the dormer. Like an eighth of an inch.

The main problem is at the bottom corners. I have a small leak in a dormer on my roof where the dormer meets the roof. Roof damage from falling branch or hail. Place the legs of an extension ladder on level solid ground beneath the dormer where you expect to find the roof.

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. Dormer leaks can be caused from a number of issues. 1 improperly installed or deteriorated roof to wall or roof to roof valley flashings at top back of dormer. They can be several feet above the leak or to the right or left of it.

Improperly installed or deteriorated roof to wall flashings. I m due for a new roof within in a year but i m trying to delay spending the. Then the bottom piece of step flashing along the walls on both sides should extend down beyond the bottom corners by just a little. Nothing really happens unless it pours for a while.

The interior walls of the dormer were often condensated and heavy rains would lead to water damage on the lower level foyer ceiling. In fact it s rare for leaks to develop in open areas of uninterrupted shingles even on older roofs. Roofing leak at dormer roof. Penetrations can include plumbing and roof vents chimneys dormers or anything else that projects through the roof.

Deteriorated caulk around window. Check for power lines or electrical wires attached to your roof near the dormer. 3 deteriorated caulk around window and sill. Here s a few of the defects that can cause dormers and their windows to leak.

Worn out flashing or missing sealant can also cause roof leaks around dormers. 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. Even though these were previously billed as solutions for the leak a new roof and new siding did not stop the leaking. 2 lack of flashing at top of trim over window.

Rotten or missing trim or siding can allow water to leak behind flashing and into your roof.