Roof Leaking By Dormer

Finding the leak 1.

Roof leaking by dormer.

Look along the edge of the dormer siding where it meets the shingles. Items that penetrate the roof are by far the most common source of leaks. Look for signs of rotting or a missing piece of siding. Ridge cap flashing gaskets around pipes.

These nails will eventually rust. Most dormer leaks occur as the flashing deteriorates and the connection between the two roofs is weakened leading to. The interior walls of the dormer were often condensated and heavy rains would lead to water damage on the lower level foyer ceiling. Lack of flashing at top of trim over window.

Here s a few of the defects that can cause dormers and their windows to leak. Use a flashlight to ensure the flashing extends. In fact it s rare for leaks to develop in open areas of uninterrupted shingles even on older roofs. 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.

If shingles get lifted or torn from high winds the damaged shingle exposes nails holding the shingle below it. If you don t have an attic or just can t find the source of the leak you can check several places for problems with moisture or damage. Deteriorated caulk around window roofing leak at dormer roof roof damage from falling branch or hail. Improperly installed or deteriorated roof to wall flashings.

Dormer roofs are often made of a cheaper less durable substance than the rest of the roof. Examine the trim and siding around the dormer. And just one rusted out nail can cause your roof to leak every time it rains. Penetrations can include plumbing and roof vents chimneys dormers or anything else that projects through the roof.

Check the flashing beneath the corner trims along.