Roof Leak or Chimney leak Knoxville, TN
It is important to look at several things when determining what is making a chimney leak. The bricks or siding can certainly be a cause. A bad or worn out chimney cap can cause roof leaks. And the flashing that is where the chimney meets the shingles will be a common reason that chimneys leak.
In this page Litespeed Construction describes what caused this chimney to leak.
As you can see the moisture level is higher than it should be. The normal level is about 16 to 21 percent. Levels on this chimney are at 89.2 and 70.8.
Moisture levels are above 82 percent. This means water is penetrating the brick and mortar. Soaking it up like a sponge and getting in the house.
Note the openings, cracks, and missing mortar on the chimney.
Another very large hole in the mortar in which water can penetrate.
Just another couple of places for water to get in. From failing brick and mortar.
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