Roof Leaking Into Cavity Wall

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.

Roof leaking into cavity wall.

11 jan 2007 messages. Discussion in roofing and guttering started by cobson 11 jan 2007. Leaks on tile roofs only when it rains heavy no sarking under the roof tiles. Rustlehobs 24 dec 2015 in forum.

Leaking into wall cavity. The back east side of the roof is a shed dormer for most of the length of the house. Roof tiles start to do poorly when the roof pitch gets less than 20 degrees. 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.

Mold on walls and baseboards. Wall cavities affected by water damage are vulnerable to mold growth which also has a pungent musty odor. If there is a strong musty smell near a certain area of your wall there could be a water leak or mold growth behind it. The leaks tend to be located under or near windows skylights and along the transition to an attached garage where there is step flashing.

The solution is to re grout and reseal the tile. Wall flashing roof wall flashing errors and causes of leaks and roof wall intersection flashing to prevent leaks or water damage. Rustlehobs 24 dec 2015. New garage roof leaking at main house wall.

On the front west side.