Roof Leaking Into Cavity Wall

If you go into your ceiling cavity and you can see the underside of the roof tiles.

Roof leaking into cavity wall.

The leaks tend to be located under or near windows skylights and along the transition to an attached garage where there is step flashing. Roof is roughly 12 12 pitch with kneewall height of about 40 in. 11 jan 2007 messages. The solution is to re grout and reseal the tile.

Wall cavities affected by water damage are vulnerable to mold growth which also has a pungent musty odor. New garage roof leaking at main house wall. Points out the white caulk that was installed as a stopgap measure where the builder has installed a bay window into a stuccoed wall without proper roof wall flashing red arrow. Leaking into wall cavity.

Discussion in roofing and guttering started by cobson 11 jan 2007. On the front west side. Rustlehobs 24 dec 2015 in forum. The back east side of the roof is a shed dormer for most of the length of the house.

Mold on walls and baseboards. If tile grout has broken down water may be entering the wall through cracks between tiles allowing a small amount of water to enter the wall cavity and drain down to the ceiling below. Wall flashing roof wall flashing errors and causes of leaks and roof wall intersection flashing to prevent leaks or water damage. Roof tiles start to do poorly when the roof pitch gets less than 20 degrees.

Rustlehobs 24 dec 2015.